var TREE_NODES = [
   ['<div align="none" title="Real world heterogeneity">Real world heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/RWH/index.htm', 'fraRight', 
	  ['<div align="none" title="Salt River bed and 27th Avenue,Phoenix,Arizona - 1">Salt River bed and 27th Avenue,Phoenix,Arizona - 1</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH1.htm', 'fraRight'],
	  ['<div align="none" title="Salt River bed and 27th Avenue,Phoenix,Arizona - 2">Salt River bed and 27th Avenue,Phoenix,Arizona - 2</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH2.htm', 'fraRight'],
	  ['<div align="none" title="Salt River bed and 27th Avenue,Phoenix,Arizona - 3">Salt River bed and 27th Avenue,Phoenix,Arizona - 3</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH3.htm', 'fraRight'],
	  ['<div align="none" title="Sand-and-gravel aquifer, Switzerland">Sand-and-gravel aquifer, Switzerland</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH4.htm', 'fraRight'],
	  ['<div align="none" title="Roswell Basin, New Mexico">Roswell Basin, New Mexico</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH5.htm', 'fraRight'],
	  ['<div align="none" title="Mt. Simon aquifer, Illinois">Mt. Simon aquifer, Illinois</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH6.htm', 'fraRight'],
	  ['<div align="none" title="Borden aquifer, cross-section AA">Borden aquifer, cross-section AA</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH7.htm', 'fraRight'],
	  ['<div align="none" title="Borden aquifer, cross-section BB">Borden aquifer, cross-section BB</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH8.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 1">Hunter Valley, Australia - 1</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH9.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 2">Hunter Valley, Australia - 2</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH10.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 3">Hunter Valley, Australia - 3</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH11.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 4">Hunter Valley, Australia - 4</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH12.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 5">Hunter Valley, Australia - 5</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH13.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 6">Hunter Valley, Australia - 6</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH14.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 7">Hunter Valley, Australia - 7</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH15.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 8">Hunter Valley, Australia - 8</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH16.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 9">Hunter Valley, Australia - 9</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH17.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 10">Hunter Valley, Australia - 10</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH18.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 11">Hunter Valley, Australia - 11</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH19.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 12">Hunter Valley, Australia - 12</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH20.htm', 'fraRight'],
	  ['<div align="none" title="Hunter Valley, Australia - 13">Hunter Valley, Australia - 13</div>', 'http://www.egr.msu.edu/igw/DL/RWH/RWH21.htm', 'fraRight']],
   ['<div align="none" title="Random Field Representation">Random Field Representation</div>', 'http://www.egr.msu.edu/igw/DL/RFRH/index.htm', 'fraRight', 
	  ['<div align="none" title="Borden aquifer, cross-section AA">Borden aquifer, cross-section AA</div>', 'http://www.egr.msu.edu/igw/DL/RFRH/RFRH00.htm', 'fraRight'],
	  ['<div align="none" title="Borden aquifer, cross-section BB">Borden aquifer, cross-section BB</div>', 'http://www.egr.msu.edu/igw/DL/RFRH/RFRH0.htm', 'fraRight'],
	  ['<div align="none" title="Random Field Representation of Heterogeneity">Random Field Representation of Heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/RFRH/RFRH1.htm', 'fraRight'],
	  ['<div align="none" title="Effect of &lambda;">Effect of &lambda;</div>', 'http://www.egr.msu.edu/igw/DL/RFRH/RFRH2.htm', 'fraRight'],
	  ['<div align="none" title="Effect of ln K Variance">Effect of ln K Variance</div>', 'http://www.egr.msu.edu/igw/DL/RFRH/RFRH3.htm', 'fraRight'],
	  ['<div align="none" title="Random Field Models">Random Field Models</div>', 'http://www.egr.msu.edu/igw/DL/RFRH/RFRH6.htm', 'fraRight'],
	  ['<div align="none" title="Random Field Generation Algorithms">Random Field Generation Algorithms</div>', 'http://www.egr.msu.edu/igw/DL/RFRH/RFRH7.htm', 'fraRight'],
	  ['<div align="none" title="Unconditional and Conditional Simulations">Unconditional and Conditional Simulations</div>', 'http://www.egr.msu.edu/igw/DL/RFRH/RFRH4.htm', 'fraRight']],
   ['<div align="none" title="Effects of Spatial Heterogeneity">Effects of Spatial Heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/EHST/index.htm', 'fraRight',
	  ['<div align="none" title="Effects of conductivity heterogeneities">Effects of conductivity heterogeneities</div>', 'http://www.egr.msu.edu/igw/DL/EHST/EHST1.htm', 'fraRight'],
	  ['<div align="none" title="Effects of conductivity heterogeneities - with and without pore-scale dispersion">Effects of conductivity heterogeneities - with and without pore-scale dispersion</div>', 'http://www.egr.msu.edu/igw/DL/EHST/EHST2.htm', 'fraRight'],
	  ['<div align="none" title="Effects of conductivity heterogeneities - with and without pore-scale dispersion">Effects of conductivity heterogeneities - with and without pore-scale dispersion</div>', 'http://www.egr.msu.edu/igw/DL/EHST/EHST6.htm', 'fraRight'],
	  ['<div align="none" title="Effect of Correlation Scale (&lambda;) of conductivity heterogeneity">Effect of Correlation Scale (&lambda;) of conductivity heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/EHST/EHST7.htm', 'fraRight'],
	  ['<div align="none" title="Effect of Correlation Scale (&lambda;) of conductivity heterogeneity">Effect of Correlation Scale (&lambda;) of conductivity heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/EHST/EHST8.htm', 'fraRight'],
	  ['<div align="none" title="Effects of anisotropic heterogeneity">Effects of anisotropic heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/EHST/EHST14.htm', 'fraRight'],
	  ['<div align="none" title="Effects of anisotropic heterogeneity">Effects of anisotropic heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/EHST/EHST15.htm', 'fraRight'],
	  ['<div align="none" title="Effects of Heterogeneities - Different Realizations">Effects of Heterogeneities - Different Realizations</div>', 'http://www.egr.msu.edu/igw/DL/EHST/EHST0.htm', 'fraRight'],
	  ['<div align="none" title="Effects of Heterogeneities - Different Realizations">Effects of Heterogeneities - Different Realizations</div>', 'http://www.egr.msu.edu/igw/DL/EHST/EHST8a.htm', 'fraRight']],
   ['<div align="none" title="Effects of Interacting Heterogeneities">Effects of Interacting Heterogeneities</div>', 'http://www.egr.msu.edu/igw/DL/NIT/index.htm', 'fraRight', 
      ['<div align="none" title="Interaction between conductivity and porosity heterogeneities">Interaction between conductivity and porosity heterogeneities</div>', 'http://www.egr.msu.edu/igw/DL/NIT/NIT3.htm', 'fraRight'],
	  ['<div align="none" title="Interaction between conductivity and partitioning coefficient heterogeneities">Interaction between conductivity and partitioning coefficient heterogeneities</div>', 'http://www.egr.msu.edu/igw/DL/NIT/NIT4.htm', 'fraRight'],
	  ['<div align="none" title="Interaction between conductivity, porosity and partitioning coefficient heterogeneities">Interaction between conductivity, porosity and partitioning coefficient heterogeneities</div>', 'http://www.egr.msu.edu/igw/DL/NIT/NIT5.htm', 'fraRight']], 
   ['<div align="none" title="Effects of Temporal Variability">Effects of Temporal Variability</div>', 'http://www.egr.msu.edu/igw/DL/TV/index.htm', 'fraRight',
      ['<div align="none" title="Comparison between homogeneous and heterogeneous aquifers">Comparison between homogeneous and heterogeneous aquifers</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV1.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between heterogeneous aquifers with and without sorption">Comparison between heterogeneous aquifers with and without sorption</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV2.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between aquifers with and without interacting heterogeneities">Comparison between aquifers with and without interacting heterogeneities</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV3.htm', 'fraRight'],
	  ['<div align="none" title="Homogeneous, Isotropic Aquifer">Homogeneous, Isotropic Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV5.htm', 'fraRight'],
	  ['<div align="none" title="Randomly Heterogeneous Aquifer">Randomly Heterogeneous Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV6.htm', 'fraRight'],
	  ['<div align="none" title="Randomly Heterogeneous Aquifer with Homogeneous Sorption">Randomly Heterogeneous Aquifer with Homogeneous Sorption</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV7.htm', 'fraRight'],
	  ['<div align="none" title="Randomly Heterogeneous Aquifer with Heterogeneous Sorption">Randomly Heterogeneous Aquifer with Heterogeneous Sorption</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV8.htm', 'fraRight'],
      ['<div align="none" title="Unconfined aquifers with increasing conductivities">Unconfined aquifers with increasing conductivities</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV9.htm', 'fraRight'],
	  ['<div align="none" title="Unconfined aquifers with increasing specific yields">Unconfined aquifers with increasing specific yields</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV10.htm', 'fraRight'],
	  ['<div align="none" title="Confined aquifers with increasing conductivities">Confined aquifers with increasing conductivities</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV11.htm', 'fraRight'],
	  ['<div align="none" title="Confined aquifers with increasing storativities">Confined aquifers with increasing storativities</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV12.htm', 'fraRight'],
	  ['<div align="none" title="Unconfined and confined aquifers">Comparison between unconfined and confined aquifers</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV13.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between different frequencies">Comparison between different frequencies</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV14.htm', 'fraRight'],
	  ['<div align="none" title="Aquifers with different degrees of penetration">Aquifers with different degrees of penetration</div>', 'http://www.egr.msu.edu/igw/DL/TV/TV15.htm', 'fraRight']],
   ['<div align="none" title="Macrodispersion Model">Macrodispersion Model</div>', 'http://www.egr.msu.edu/igw/DL/SMM/index.htm', 'fraRight', 
      ['<div align="none" title="Comparison with macrodispersoin (ln K Var = 0.5, with pore-scale dispersion)">Comparison with macrodispersoin (ln K Var = 0.5, with pore-scale dispersion)</div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM9.htm', 'fraRight'],
	  ['<div align="none" title="Comparison with macrodispersoin (ln K Var = 1.0, with pore-scale dispersion)">Comparison with macrodispersoin (ln K Var = 1.0, with pore-scale dispersion)</div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM10.htm', 'fraRight'],
	  ['<div align="none" title="Comparison with macrodispersoin (ln K Var = 2.0, with pore-scale dispersion)">Comparison with macrodispersoin (ln K Var = 2.0, with pore-scale dispersion)</div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM11.htm', 'fraRight'],
	  ['<div align="none" title="Comparison with macrodispersoin (ln K Var = 4.0, with pore-scale dispersion)">Comparison with macrodispersoin (ln K Var = 4.0, with pore-scale dispersion)</div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM12.htm', 'fraRight'],
	  ['<div align="none" title="Comparison with macrodispersoin (ln K Var = 2.0, no pore-scale dispersion)">Comparison with macrodispersoin (ln K Var = 2.0, no pore-scale dispersion)</div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM13.htm', 'fraRight'],
	  ['<div align="none" title="Macrodispersion in the presence of multiple scales of heterogeneity">Macrodispersion in the presence of multiple scales of heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM14.htm', 'fraRight'],
	  ['<div align="none" title="Small Source &amp; Small &lambda; Case 1">Small Source &amp; Small &lambda; Case 1 </div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM1.htm', 'fraRight'], 
	  ['<div align="none" title="Small Source &amp; Small &lambda; Case 2">Small Source &amp; Small &lambda; Case 2 </div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM2.htm', 'fraRight'],
	  ['<div align="none" title="Small Source &amp; Larger &lambda; Case 1">Small Source &amp; Larger &lambda; Case 1 </div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM3.htm', 'fraRight'],
	  ['<div align="none" title="Small Source &amp; Larger &lambda; Case 2">Small Source &amp; Larger &lambda; Case 2 </div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM4.htm', 'fraRight'],
	  ['<div align="none" title="Larger Source &amp; Small &lambda; Case 1">Larger Source &amp; Small &lambda; Case 1 </div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM5.htm', 'fraRight'],
	  ['<div align="none" title="Larger Source &amp; Small &lambda; Case 2">Larger Source &amp; Small &lambda; Case 2 </div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM6.htm', 'fraRight'],
	  ['<div align="none" title="Larger Source &amp; Larger &lambda; Case 1">Larger Source &amp; Larger &lambda; Case 1 </div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM7.htm', 'fraRight'],
	  ['<div align="none" title="Larger Source &amp; Larger &lambda; Case 2">Larger Source &amp; Larger &lambda; Case 2 </div>', 'http://www.egr.msu.edu/igw/DL/SMM/SMM8.htm', 'fraRight']], 
   ['<div align="none" title="Effects of Multi-scale Heterogeneity">Effects of Multi-scale Heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/SDT/index.htm', 'fraRight', 
      ['<div align="none" title="Effects of multiple scales of heterogeneity">Effects of multiple scales of heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/SDT/SDT1.htm', 'fraRight'],
	  ['<div align="none" title="Macrodispersion in the presence of multiple scales of heterogeneity">Macrodispersion in the presence of multiple scales of heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/SDT/SDT2.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between 1 and 2 Scales">Comparison between 1 and 2 Scales</div>', 'http://www.egr.msu.edu/igw/DL/SDT/SDT3.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between 2 and 3 Scales">Comparison between 2 and 3 Scales</div>', 'http://www.egr.msu.edu/igw/DL/SDT/SDT4.htm', 'fraRight']], 
   ['<div align="none" title="Monte Carlo Simulation">Monte Carlo Simulation</div>', 'http://www.egr.msu.edu/igw/DL/IMCFTS/index.htm', 'fraRight', 
	  ['<div align="none" title="Effects of Heterogeneities - Different Realizations">Effects of Heterogeneities - Different Realizations</div>', 'http://www.egr.msu.edu/igw/DL/IMCFTS/IMCFTS1.htm', 'fraRight'],
	  ['<div align="none" title="Effects of Heterogeneities - Different Realizations">Effects of Heterogeneities - Different Realizations</div>', 'http://www.egr.msu.edu/igw/DL/IMCFTS/IMCFTS2.htm', 'fraRight'],
      ['<div align="none" title="Mean, variance and covariance">Mean, variance and covariance</div>', 'http://www.egr.msu.edu/igw/DL/IMCFTS/IMCFTS3.htm', 'fraRight'],
	  ['<div align="none" title="Probability distributions, means, standard deviations and breakthrough curves">Probability distributions, means, standard deviations and breakthrough curves</div>', 'http://www.egr.msu.edu/igw/DL/IMCFTS/IMCFTS4.htm', 'fraRight']],
   ['<div align="none" title="Transport in Complex Aquifers">Transport in Complex Aquifers</div>', 'http://www.egr.msu.edu/igw/DL/TCAS/index.htm', 'fraRight', 
      ['<div align="none" title="Multi-Layer Homogeneous Aquifers">Multi-Layer Homogeneous Aquifers</div>', 'http://www.egr.msu.edu/igw/DL/TCAS/TCAS1.htm', 'fraRight'], 
      ['<div align="none" title="Multi-Layer Randomly Heterogeneous Aquifers">Multi-Layer Randomly Heterogeneous Aquifers </div>', 'http://www.egr.msu.edu/igw/DL/TCAS/TCAS2.htm', 'fraRight']],
   ['<div align="none" title="Transport in Fractured Tills">Transport in Fractured Tills</div>', 'http://www.egr.msu.edu/igw/DL/TFTBAS/index.htm', 'fraRight', 
	  ['<div align="none" title="Homogeneous, Isotropic Aquitard">Homogeneous, Isotropic Aquitard</div>', 'http://www.egr.msu.edu/igw/DL/TFTBAS/TFTBAS1.htm', 'fraRight'], 
	  ['<div align="none" title="Homogeneous, Isotropic Aquitard with Fractures">Homogeneous, Isotropic Aquitard with Fractures</div>', 'http://www.egr.msu.edu/igw/DL/TFTBAS/TFTBAS2.htm', 'fraRight'],
	  ['<div align="none" title="Homogeneous, Isotropic Aquitard with Fractures and Sand Lens">Homogeneous, Isotropic Aquitard with Fractures and Sand Lensd</div>', 'http://www.egr.msu.edu/igw/DL/TFTBAS/TFTBAS3.htm', 'fraRight'],
	  ['<div align="none" title="Randomly Heterogeneous Aquitard">Randomly Heterogeneous Aquitard</div>', 'http://www.egr.msu.edu/igw/DL/TFTBAS/TFTBAS4.htm', 'fraRight'],
	  ['<div align="none" title="Homogeneous, Isotropic Aquitard">Homogeneous, Isotropic Aquitard</div>', 'http://www.egr.msu.edu/igw/DL/TFTBAS/TFTBAS5.htm', 'fraRight'],
	  ['<div align="none" title="Homogeneous, Isotropic Aquitard with Fractures">Homogeneous, Isotropic Aquitard with Fractures</div>', 'http://www.egr.msu.edu/igw/DL/TFTBAS/TFTBAS6.htm', 'fraRight'],
	  ['<div align="none" title="Homogeneous, Isotropic Aquitard with Fractures and Sand Lens">Homogeneous, Isotropic Aquitard with Fractures and Sand Lens</div>', 'http://www.egr.msu.edu/igw/DL/TFTBAS/TFTBAS7.htm', 'fraRight'],
	  ['<div align="none" title="Randomly Heterogeneous Aquitard">Randomly Heterogeneous Aquitard</div>', 'http://www.egr.msu.edu/igw/DL/TFTBAS/TFTBAS8.htm', 'fraRight']], 
   ['<div align="none" title="The Hydrologic Cycle">The Hydrologic Cycle</div>', 'http://www.egr.msu.edu/igw/DL/THC/index.htm', 'fraRight',
	  ['<div align="none" title="The Hydrologic Cycle">The Hydrologic Cycle</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC1.htm', 'fraRight'],
	  ['<div align="none" title="Natural Conditions">Natural Conditions</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC2.htm', 'fraRight'],
	  ['<div align="none" title="Natural Conditions">Natural Conditions</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC3.htm', 'fraRight'],
	  ['<div align="none" title="Effect of Pumping">Effect of Pumping</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC4.htm', 'fraRight'],
	  ['<div align="none" title="Natural Conditions">Natural Conditions</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC5.htm', 'fraRight'],
	  ['<div align="none" title="Effect of Moderate Pumping Rates">Effect of Moderate Pumping Rates</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC6.htm', 'fraRight'],
	  ['<div align="none" title="Effect of High Pumping Rates">Effect of High Pumping Rates</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC7.htm', 'fraRight'],
	  ['<div align="none" title="Aquifer Recharge and Discharge Zones">Aquifer Recharge and Discharge Zones</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC8.htm', 'fraRight'],
	  ['<div align="none" title="Aquifer Recharge and Discharge Zones">Aquifer Recharge and Discharge Zones</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC9.htm', 'fraRight'],
	  ['<div align="none" title="Chalk - Sand Aquifer">Chalk - Sand Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC10.htm', 'fraRight'],
	  ['<div align="none" title="The Hydrologic Cycle">The Hydrologic Cycle</div>', 'http://www.egr.msu.edu/igw/DL/THC/THC11.htm', 'fraRight']],
    ['<div align="none" title="Aquifer Response to Pumping">Aquifer Response to Pumping</div>', 'http://www.egr.msu.edu/igw/DL/ARP/index.htm', 'fraRight', 
      ['<div align="none" >Homogeneous, Isotropic, Confined Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP1.html', 'fraRight'],
	  ['<div align="none" >Homogeneous, Anisotropic, Confined Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP2.html', 'fraRight'],
	  ['<div align="none" >Homogeneous, Isotropic, Unconfined Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP3.html', 'fraRight'],
	  ['<div align="none" >Effect of low transmissivity</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP4.html', 'fraRight'],
	  ['<div align="none" >Effect of high transmissivity</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP5.html', 'fraRight'],
	  ['<div align="none" >Effect of low storativity</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP6.html', 'fraRight'], 
      ['<div align="none" >Effect of high storativity</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP7.html', 'fraRight'], 
      ['<div align="none" >Wellfield dynamics, well interferences, water conflicts</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP8.html', 'fraRight'], 
      ['<div align="none" >Systematic heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP9.html', 'fraRight'], 
      ['<div align="none" >Random heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP10.html', 'fraRight'], 
      ['<div align="none" >Fractures, preferential channels</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP11.html', 'fraRight'], 
      ['<div align="none" >Effect of No-Flow Boundary</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP12.html', 'fraRight'],
	  ['<div align="none" >Effect of Constant Head Boundary</div>', 'http://www.egr.msu.edu/igw/DL/ARP/ARP13.html', 'fraRight']], 
   ['<div align="none" title="The Law of Refraction">The Law of Refraction', 'http://www.egr.msu.edu/igw/DL/LR/index.htm', 'fraRight', 
      ['<div align="none" >Flow system at the interface of two conductivity zones. ', 'http://www.egr.msu.edu/igw/DL/LR/LR1.htm', 'fraRight'], 
      ['<div align="none" >Flow underneath a Dam', 'http://www.egr.msu.edu/igw/DL/LR/LR2.htm', 'fraRight'], 
      ['<div align="none" >Flow system in an aquifer/aquitard system</div>', 'http://www.egr.msu.edu/igw/DL/LR/LR3.htm', 'fraRight'],
	  ['<div align="none" >Flat Aquifer with Systematic Layering 1</div>', 'http://www.egr.msu.edu/igw/DL/LR/LR4.htm', 'fraRight'],
	  ['<div align="none" >Flat Aquifer with Systematic Layering 2</div>', 'http://www.egr.msu.edu/igw/DL/LR/LR5.htm', 'fraRight'],
	  ['<div align="none" >Flat Aquifer with Systematic Layering 3</div>', 'http://www.egr.msu.edu/igw/DL/LR/LR6.htm', 'fraRight'],
	  ['<div align="none" >Undulated Aquifer with Systematic Layering 1</div>', 'http://www.egr.msu.edu/igw/DL/LR/LR7.htm', 'fraRight'],
	  ['<div align="none" >Undulated Aquifer with Systematic Layering 2</div>', 'http://www.egr.msu.edu/igw/DL/LR/LR8.htm', 'fraRight'],
	  ['<div align="none" >Undulated Aquifer with Systematic Layering 3</div>', 'http://www.egr.msu.edu/igw/DL/LR/LR9.htm', 'fraRight']], 
   ['<div align="none" title="Flow in Anisotropic Aquifers">Flow in Anisotropic Aquifers</div>', 'http://www.egr.msu.edu/igw/DL/FAA/index.htm', 'fraRight', 
      ['<div align="none" >Anisotropy aligned with hydraulic gradient</div>', 'http://www.egr.msu.edu/igw/DL/FAA/FAA1.html', 'fraRight'], 
      ['<div align="none" >Anisotropy at an angle with hydraulic gradient</div>', 'http://www.egr.msu.edu/igw/DL/FAA/FAA2.html', 'fraRight'], 
      ['<div align="none" >Anisotropy with a variable orientation</div>', 'http://www.egr.msu.edu/igw/DL/FAA/FAA3.html', 'fraRight'],
	  ['<div align="none" >Flow in sloping aquifers</div>', 'http://www.egr.msu.edu/igw/DL/FAA/FAA4.html', 'fraRight']], 
   ['<div align="none"  title="Well Head Delineation">Well Head Delineation</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/index.htm', 'fraRight',
	  ['<div align="none"  title="Homogeneous, isotropic aquifer">Homogeneous, isotropic aquifer</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa1.htm', 'fraRight'],
	  ['<div align="none"  title="Homogeneous, anisotropic aquifer">Homogeneous, anisotropic aquifer</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa2.htm', 'fraRight'],
	  ['<div align="none"  title="Homogeneous, isotropic aquifer with Dispersivity">Homogeneous, isotropic aquifer with Dispersivity</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa3.htm', 'fraRight'],
	  ['<div align="none"  title="Determinsitically heterogeneous aquifer">Determinsitically heterogeneous aquifer</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa4.htm', 'fraRight'],
	  ['<div align="none"  title="Stochastically heterogeneous aquifer Case 1">Stochastically heterogeneous aquifer Case 1</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa5.htm', 'fraRight'],
	  ['<div align="none"  title="Stochastically heterogeneous aquifer Case 2">Stochastically heterogeneous aquifer Case 2</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa6.htm', 'fraRight'],
	  ['<div align="none"  title="Multiple wells pumping at different rates Case 1">Multiple wells pumping at different rates Case 1</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa7.htm', 'fraRight'],
	  ['<div align="none"  title="Multiple wells pumping at different rates Case 2">Multiple wells pumping at different rates Case 2</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa8.htm', 'fraRight'],	
	  ['<div align="none"  title="Additional surface water features">Additional surface water features</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa9.htm', 'fraRight'],
	  ['<div align="none"  title="Comparison between some cases">Comparison between some cases</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa10.htm', 'fraRight'],
	  ['<div align="none"  title="Multiple Realizations">Multiple Realizations</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa11.htm', 'fraRight'],
	  ['<div align="none"  title="Probabilistic capture">Probabilistic capture</div>', 'http://www.egr.msu.edu/igw/DL/WHPA/whpa12.htm', 'fraRight']],
   ['<div align="none" title="Regional Vertical Circulation">Regional Vertical Circulation</div>', 'http://www.egr.msu.edu/igw/DL/RVC/index.htm', 'fraRight', 
	  ['<div align="none" >Flat, Homogeneous, Isotropic Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC1.html', 'fraRight'],
	  ['<div align="none" >Flat Aquifer with Systematic Layering 1</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC2.html', 'fraRight'],
	  ['<div align="none" >Flat Aquifer with Systematic Layering 2</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC3.html', 'fraRight'],
	  ['<div align="none" >Flat Aquifer with Systematic Layering 3</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC4.html', 'fraRight'],
	  ['<div align="none" >Flat, Randomly Heterogeneous Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC5.html', 'fraRight'],
	  ['<div align="none" >Undulated, Homogeneous, Isotropic Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC6.html', 'fraRight'],
	  ['<div align="none" >Undulated Aquifer with Systematic Layering 1</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC7.html', 'fraRight'],
	  ['<div align="none" >Undulated Aquifer with Systematic Layering 2</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC8.html', 'fraRight'],
	  ['<div align="none" >Undulated Aquifer with Systematic Layering 3</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC9.html', 'fraRight'],
	  ['<div align="none" >Undulated Aquifer with Systematic Layering 4</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC10.html', 'fraRight'],
	  ['<div align="none" >Undulated Randomly Heterogeneous Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC11.html', 'fraRight'],
	  ['<div align="none" >Classical Toth solution in a Shallow Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC12.html', 'fraRight'],
	  ['<div align="none" >Classical Toth solution in a Deep Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/RVC/RVC13.html', 'fraRight']], 
   ['<div align="none" title="Seepage under a Dam">Seepage under a Dam</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/index.htm', 'fraRight', 
      ['<div align="none" title="Homogeneous, Isotropic Aquifer">Homogeneous, Isotropic Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD1.htm', 'fraRight'], 
	  ['<div align="none" title="Homogeneous, Anisotropic Aquifer">Homogeneous, Anisotropic Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD2.htm', 'fraRight'],
	  ['<div align="none" title="Deterministically Heterogeneous Aquifer Case 1">Deterministically Heterogeneous Aquifer Case 1</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD3.htm', 'fraRight'],
	  ['<div align="none" title="Deterministically Heterogeneous Aquifer Case 2">Deterministically Heterogeneous Aquifer Case 2</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD4.htm', 'fraRight'],
	  ['<div align="none" title="Deterministically Heterogeneous Aquifer Case 3">Deterministically Heterogeneous Aquifer Case 3</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD5.htm', 'fraRight'],
	  ['<div align="none" title="Stochastically Heterogeneous Aquifer Case 1">Stochastically Heterogeneous Aquifer Case 1</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD6.htm', 'fraRight'],
	  ['<div align="none" title="Stochastically Heterogeneous Aquifer Case 2">Stochastically Heterogeneous Aquifer Case 2</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD7.htm', 'fraRight'],
	  ['<div align="none" title="Dam with a Sheet Pile Case 1">Dam with a Sheet Pile Case 1</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD8.htm', 'fraRight'],
	  ['<div align="none" title="Dam with a Sheet Pile Case 2">Dam with a Sheet Pile Case 2</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD9.htm', 'fraRight'],
	  ['<div align="none" title="Dam with a Sheet Pile Case 3">Dam with a Sheet Pile Case 3</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD10.htm', 'fraRight'],
	  ['<div align="none" title="Dam with a Sheet Pile Case 4">Dam with a Sheet Pile Case 4</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD11.htm', 'fraRight'],
	  ['<div align="none" title="Dam with a Sheet Pile Case 5">Dam with a Sheet Pile Case 5</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD12.htm', 'fraRight'],
	  ['<div align="none" title="Flow in an Aquifer-Aquitard System">Flow in an Aquifer-Aquitard System</div>', 'http://www.egr.msu.edu/igw/DL/FNSUD/FNSUD13.htm', 'fraRight']], 
   ['<div align="none" title="Interaction with Surface Water">Interaction with Surface Water</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/index.htm', 'fraRight', 
      ['<div align="none" title="Gaining Stream">Gaining Stream</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI1.htm', 'fraRight'],
      ['<div align="none" title="Losing Stream">Losing Stream</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI2.htm', 'fraRight'],
	  ['<div align="none" title="Natural Conditions">Natural Conditions</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI3.htm', 'fraRight'],
	  ['<div align="none" title="Effect of Pumping">Effect of Pumping</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI4.htm', 'fraRight'],
	  ['<div align="none" title="Natural Conditions">Natural Conditions</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI5.htm', 'fraRight'],
	  ['<div align="none" title="Natural Conditions">Natural Conditions</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI6.htm', 'fraRight'],
	  ['<div align="none" title="Effect of Moderate Pumping Rates">Effect of Moderate Pumping Rates</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI7.htm', 'fraRight'],
	  ['<div align="none" title="Effect of High Pumping Rates">Effect of High Pumping Rates</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI8.htm', 'fraRight'],
	  ['<div align="none" title="Discharge lake - Homogeneous, Isotropic Aquifer">Discharge lake - Homogeneous, Isotropic Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI9.htm', 'fraRight'], 
      ['<div align="none" title="Discharge lake - Systematically Heterogeneous Aquifer">Discharge lake - Systematically Heterogeneous Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI10.htm', 'fraRight'], 
      ['<div align="none" title="Discharge lake - Stochastically Heterogeneous Aquifer">Discharge lake - Stochastically Heterogeneous Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI11.htm', 'fraRight'], 
      ['<div align="none" title="Flow-Through lake - Homogeneous, Isotropic Aquifer">Flow-Through lake - Homogeneous, Isotropic Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI12.htm', 'fraRight'], 
      ['<div align="none" title="Flow-Through lake - Systematically Heterogeneous Aquifer">Flow-Through lake - Systematically Heterogeneous Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI13.htm', 'fraRight'], 
      ['<div align="none" title="Flow-Through lake - Stochastically Heterogeneous Aquifer">Flow-Through lake - Stochastically Heterogeneous Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI14.htm', 'fraRight'],
	  ['<div align="none" title="Vertical Circulation">Vertical Circulation</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI15.htm', 'fraRight'],
	  ['<div align="none" title="Preferential Channels">Preferential Channels</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI16.htm', 'fraRight'],
      ['<div align="none" title="The Hydrologic Cycle">The Hydrologic Cycle</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI17.htm', 'fraRight'],
      ['<div align="none" title="Aquifer Recharge and Discharge Zones">Aquifer Recharge and Discharge Zones</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI18.htm', 'fraRight'],
	  ['<div align="none" title="Aquifer Recharge and Discharge Zones">Aquifer Recharge and Discharge Zones</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI19.htm', 'fraRight'],
	  ['<div align="none" title="Vertical Circulation">Vertical Circulation</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI20.htm', 'fraRight'],
	  ['<div align="none" title="Floridan Aquifer System">Floridan Aquifer System</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI21.htm', 'fraRight'],
	  ['<div align="none" title="Chalk - Sand Aquifer">Chalk - Sand Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI22.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between homogeneous and heterogeneous aquifers">Comparison between homogeneous and heterogeneous aquifers</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI23.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between heterogeneous aquifers with and without sorption">Comparison between heterogeneous aquifers with and without sorption</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI24.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between aquifers with homogeneous and heterogeneous sorption">Comparison between aquifers with homogeneous and heterogeneous sorption</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI25.htm', 'fraRight'],
	  ['<div align="none" title="Unconfined aquifers with increasing conductivities">Unconfined aquifers with increasing conductivities</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI31.htm', 'fraRight'],
	  ['<div align="none" title="Unconfined aquifers with increasing specific yields">Unconfined aquifers with increasing specific yields</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI32.htm', 'fraRight'],
	  ['<div align="none" title="Confined aquifers with increasing conductivities">Confined aquifers with increasing conductivities</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI33.htm', 'fraRight'],
	  ['<div align="none" title="Confined aquifers with increasing storativities">Confined aquifers with increasing storativities</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI34.htm', 'fraRight'],
	  ['<div align="none" title="Unconfined and confined aquifers">Comparison between unconfined and confined aquifers</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI35.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between different frequencies">Comparison between different frequencies</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI36.htm', 'fraRight'],
	  ['<div align="none" title="Aquifers with different degrees of penetration">Aquifers with different degrees of penetration</div>', 'http://www.egr.msu.edu/igw/DL/SWGI/SWGI37.htm', 'fraRight']],
   ['<div align="none" title="Artificial Recharge">Artificial Recharge</div>', 'http://www.egr.msu.edu/igw/DL/AR/index.htm', 'fraRight', 
      ['<div align="none" title="ASR - Wet Season">ASR - Wet Season</div>', 'http://www.egr.msu.edu/igw/DL/AR/AR1.htm', 'fraRight'], 
	  ['<div align="none" title="ASR - Dry Season">ASR - Dry Season</div>', 'http://www.egr.msu.edu/igw/DL/AR/AR2.htm', 'fraRight'],
	  ['<div align="none" title="ASR - Wet Season">ASR - Wet Season</div>', 'http://www.egr.msu.edu/igw/DL/AR/AR3.htm', 'fraRight'],
	  ['<div align="none" title="ASR - Dry Season">ASR - Dry Season</div>', 'http://www.egr.msu.edu/igw/DL/AR/AR4.htm', 'fraRight']],
   ['<div align="none" title="Groundwater Contamination">Groundwater Contamination</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/index.htm', 'fraRight', 
      ['<div align="none" title="Landfills">Landfills</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS8.htm', 'fraRight'],
	  ['<div align="none" title="Landfills">Landfills</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS9.htm', 'fraRight'],
	  ['<div align="none" title="Landfills">Landfills</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS21.htm', 'fraRight'],
	  ['<div align="none" title="Solid Waste Dump">Solid Waste Dump</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS18.htm', 'fraRight'],
	  ['<div align="none" title="Contamination from Waste Disposal Site">Contamination from Waste Disposal Site</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS16.htm', 'fraRight'],
	  ['<div align="none" title="Gas Leaks">Gas Leaks</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS10.htm', 'fraRight'],
	  ['<div align="none" title="Leaky Septic System">Leaky Septic System</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS12.htm', 'fraRight'],
	  ['<div align="none" title="Leaking Storage Tanks">Leaking Storage Tanks</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS22.htm', 'fraRight'],
      ['<div align="none" title="Contamination of Community Wells">Contamination of Community Wells</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS5.htm', 'fraRight'],
	  ['<div align="none" title="Poorly Maintained Animal Lots">Poorly Maintained Animal Lots</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS6.htm', 'fraRight'],
	  ['<div align="none" title="Improper Disposal Methods">Improper Disposal Methods</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS7.htm', 'fraRight'],
	  ['<div align="none" title="Chemical Spill">Chemical Spill</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS13.htm', 'fraRight'],
	  ['<div align="none" title="Contaminants with Different Densities">Contaminants with Different Densities</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS17.htm', 'fraRight'],
      ['<div align="none" title="Accidental Contamination">Accidental Contamination</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS14.htm', 'fraRight'],
	  ['<div align="none" title="Accidental Contamination">Accidental Contamination</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS11.htm', 'fraRight'],
	  ['<div align="none" title="Salt Contamination">Salt Contamination</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS15.htm', 'fraRight'],
	  ['<div align="none" title="Fertilizers and Pesticides">Fertilizers and Pesticides</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS19.htm', 'fraRight'],
	  ['<div align="none" title="Contamination from Different Sources">Contamination from Different Sources</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS20.htm', 'fraRight'],
	  ['<div align="none" title="Instantaneous Spill">Instantaneous Spill</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS1.htm', 'fraRight'], 
      ['<div align="none" title="Continuous Source">Continuous Source</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS2.htm', 'fraRight'], 
      ['<div align="none" title="Polluted Stream">Polluted Stream</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS3.htm', 'fraRight'], 
      ['<div align="none" title="Liquid Waste Injection">Liquid Waste Injection</div>', 'http://www.egr.msu.edu/igw/DL/TFDCS/TFDCS4.htm', 'fraRight']],
   ['<div align="none" title="Transport Processes">Transport Processes</div>', 'http://www.egr.msu.edu/igw/DL/BTTP/index.htm', 'fraRight', 
      ['<div align="none" title="Advection, Pore-Scale Dispersion, Sorption and Decay">Advection, Pore-Scale Dispersion, Sorption and Decay </div>', 'http://www.egr.msu.edu/igw/DL/BTTP/BTTP1.htm', 'fraRight'], 
      ['<div align="none" title="Dispersion due to Heterogeneity">Dispersion due to Heterogeneity</div>', 'http://www.egr.msu.edu/igw/DL/BTTP/BTTP2.htm', 'fraRight'], 
      ['<div align="none" title="Heterogeneity & Dispersion">Heterogeneity & Dispersion</div>', 'http://www.egr.msu.edu/igw/DL/BTTP/BTTP3.htm', 'fraRight'],
	  ['<div align="none" title="Comparison between Dispersion due to Heterogeneity and Macrodisperion">Comparison between Dispersion due to Heterogeneity and Macrodisperion</div>', 'http://www.egr.msu.edu/igw/DL/BTTP/BTTP4.htm', 'fraRight']], 
   ['<div align="none" title="Groundwater Remediation">Groundwater Remediation</div>', 'http://www.egr.msu.edu/igw/DL/GR/index.htm', 'fraRight',
	  ['<div align="none" title="Homogeneous, Isotropic Aquifer">Homogeneous, Isotropic Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/GR/GR1.htm', 'fraRight'], 
      ['<div align="none" title="Systematically Heterogeneous Aquifer">Systematically Heterogeneous Aquifer</div>', 'http://www.egr.msu.edu/igw/DL/GR/GR2.htm', 'fraRight'], 
      ['<div align="none" title="Randomly Heterogeneous Aquifer Case 1">Randomly Heterogeneous Aquifer Case 1</div>', 'http://www.egr.msu.edu/igw/DL/GR/GR3.htm', 'fraRight'], 
      ['<div align="none" title="Randomly Heterogeneous Aquifer Case 2">Randomly Heterogeneous Aquifer Case 2</div>', 'http://www.egr.msu.edu/igw/DL/GR/GR4.htm', 'fraRight'], 
      ['<div align="none" title="Randomly Heterogeneous Aquifer Case 3">Randomly Heterogeneous Aquifer Case 3</div>', 'http://www.egr.msu.edu/igw/DL/GR/GR5.htm', 'fraRight'], 
	  ['<div align="none" title="In-Situ Treatment - Reactive Wall with High Decay">In-Situ Treatment - Reactive Wall with High Decay</div>', 'http://www.egr.msu.edu/igw/DL/GR/GR6.htm', 'fraRight'], 
      ['<div align="none" title="In-Situ Treatment - Reactive Wall with High Sorption">In-Situ Treatment - Reactive Wall with High Sorption</div>', 'http://www.egr.msu.edu/igw/DL/GR/GR7.htm', 'fraRight']], 
   ['<div align="none" title="Hierarchical Modeling">Hierarchical Modeling</div>', 'http://www.egr.msu.edu/igw/DL/HMPDAMS/index.htm', 'fraRight', 
      ['<div align="none" >Integrated sustainable management in the presence of multiple constraints</div>', null, 'fraRight', 
        ['<div align="none" >Plume issues, multiple plumes</div>', null, 'fraRight'], 
        ['<div align="none" >Pollution control, wellhead protection</div>', null, 'fraRight'], 
        ['<div align="none" >Overpumping</div>', null, 'fraRight'], 
        ['<div align="none" >Legal concerns, water rights</div>', null, 'fraRight'], 
        ['<div align="none" >Wetland/Wild life habitat preservation</div>', null, 'fraRight']]],
   ['<div align="none" title="Algorithmic Visualizations">Algorithmic Visualizations</div>', 'http://www.egr.msu.edu/igw/DL/VTMA/index.htm', 'fraRight', 
      ['<div align="none" >Visualizing random walk, Upwind, TVD, MOC, MMOC, HMOC, Spectral, </div>', null, 'fraRight'], 
      ['<div align="none" >Numerical dispersion vs physical dispersion, practical implications </div>', null, 'fraRight'], 
      ['<div align="none" >Numerical oscillations vs physical variability, practical implications</div>', null, 'fraRight']],
];
