var ids=new Array();
function FTinit() {
	if(document.getElementById) {
		var tids=document.getElementsByTagName('span');
		for(i=0;i<tids.length;i++)
			if(tids[i].className=="folder")
				ids[ids.length]=tids[i];
		for(i=0;i<ids.length;i++) {
			ids[i].onmouseup=setstate;
			ids[i].style.cursor= 'hand';
		}
		//expandall(); // REMOVE THE // FROM THE BIGINNING OF THIS LINE TO HAVE THE TREE EXPANDED INITIALLY.
		//openById('mainID');
	}
} // end of FTinit()

function openById(id){
	var el=document.getElementById(id);
	el.parentNode.getElementsByTagName('div')[0].style.display="block";
	//el.getElementsByTagName('img')[0].src="minus.gif";
} // end of openByID

function closeById(id){
	var el=document.getElementById(id);
	el.parentNode.getElementsByTagName('div')[0].style.display="none";
	//el.getElementsByTagName('img')[0].src="plus.gif";
} // end of closeById()

function setstate(){
	for(i=0;i<ids.length;i++){
		if(ids[i]==this){
			var d=this.parentNode.getElementsByTagName('div')[0];
			if(d.style.display=="block"){
				d.style.display="none";
				//this.getElementsByTagName('img')[0].src="plus.gif";
			}else{
				d.style.display="block";
				//this.getElementsByTagName('img')[0].src="minus.gif";
			}
		}
	}
} // end of setstate()

function expandall(){
	if(document.getElementById){
		for(i=0;i<ids.length;i++){
			ids[i].parentNode.getElementsByTagName('div')[0].style.display="block";
			ids[i].getElementsByTagName('img')[0].src="minus.gif";
		}
	}
} // end of expandall()

function collapseall(){
	if(document.getElementById){
		for(i=0;i<ids.length;i++){
			ids[i].parentNode.getElementsByTagName('div')[0].style.display="none";
			ids[i].getElementsByTagName('img')[0].src="plus.gif";
		}
	}
} // end of collapseall()

//window.onload=FTinit;