var TREE_ITEMS = [
	['Home','index.html',{'sb':' '},
		['1. Feeding relationships', 'Feedingrelationships.html',{'tt':'1. Feeding relationships','sb':'Feedingrelationships.html'},
			['1.1 Food chains', 'Foodchains.html',{'tt':'1.1 Food chains','sb':'Foodchains.html'},],
			['1.2 Food webs', 'Foodwebs.html',{'tt':'1.2 Food webs','sb':'Foodwebs.html'},],
			['1.3 Ecological pyramids', 'Ecologicalpyramids.html',{'tt':'1.3 Ecological pyramids','sb':'Ecologicalpyramids.html'},],
			['1.4 Parasites and saprophytes', 'Parasitesandsaprophytes.html',{'tt':'1.4 Parasites and saprophytes','sb':'Parasitesandsaprophytes.html'},],
			['1.5 Symbiosis and commensalism', 'Symbiosisandcommensalism.html',{'tt':'1.5 Symbiosis and commensalism','sb':'Symbiosisandcommensalism.html'},],
],
		['2. Interspecies cooperation', 'Interspeciescooperation.html',{'tt':'2. Interspecies cooperation','sb':'Interspeciescooperation.html'},],
		['3. Habitat partition', 'Habitatpartition.html',{'tt':'3. Habitat partition','sb':'Habitatpartition.html'},
			['3.1 Layering', 'Layering.html',{'tt':'3.1 Layering','sb':'Layering.html'},],
			['3.2 Zonation', 'Zonation.html',{'tt':'3.2 Zonation','sb':'Zonation.html'},],
],
		['4. Succession', 'Succession.html',{'tt':'4. Succession','sb':'Succession.html'},],
		['5. Competition', 'Competition.html',{'tt':'5. Competition','sb':'Competition.html'},],
		['6. Human activity', 'Humanactivity.html',{'tt':'6. Human activity','sb':'Humanactivity.html'},
			['6.1 Land use', 'Landuse.html',{'tt':'6.1 Land use','sb':'Landuse.html'},],
			['6.2 Pollution', 'Pollution.html',{'tt':'6.2 Pollution','sb':'Pollution.html'},],
			['6.3 Urban development', 'Urbandevelopment.html',{'tt':'6.3 Urban development','sb':'Urbandevelopment.html'},],
],

]
];