var aux;
function CLayersTab(){
	this.init = function(){
		var tree = new Ext.tree.TreePanel({
	        renderTo:'tree-div',
	        title: 'Lista de capas',
			autoHeight: true,
	        width: 168,
	        useArrows:true,
	        autoScroll:true,
	        animate:false,
	        enableDD:true,
	        containerScroll: true,
	        rootVisible: false,
	        frame: true,
	        root: {
	            nodeType: 'async'
	        },
	        
	        // auto create TreeLoader
	        dataUrl: 'cfg/CLayersTabTreePanel.php',
	        
	        listeners: {
	            'checkchange': function(node, checked){
	        		objMap.changeLayer(node,checked);
	        		//console.debug (node.id);
	            }
	        }
	    });

	    tree.getRootNode().expand(true);

	}
}