var head="display:''"
//var last_menu_num = '50'

img1=new Image()
img1.src="fold.gif"
img2=new Image()
img2.src="open.gif"

//document.all[50].name = 'open';
//open_menu (49);

function change_NS(event){

//	if(!document.all)
//		return
	if (event.target.className=="foldheader") {
		srcIndex = event.target.srcIndex
		var nested = document.all[srcIndex+1]
		if (nested.style.display != ''){nested.style.display = 'none'}
		if (!nested.name){nested.name = 'close';}


		if (nested.name == 'close') {

			nested.style.display = '';
			nested.name = 'open'

			if 	(last_menu_num != 'td0' & last_menu_num != srcIndex+1) {		
				document.all[last_menu_num].name = 'close'
				document.all[last_menu_num].style.display = 'none'
//				close_menu (last_menu_num)
			}
			last_menu_num = srcIndex+1
			event.target.style.listStyleImage="url(images/open.gif)"
		}else{
		
			nested.style.display = 'none'
			nested.name  = 'close'
			//close_menu (srcIndex+1)
			event.target.style.listStyleImage="url(images/fold.gif)"
		}

	}
}


function change_IE(){
	if(!document.all)
		return
	if (event.srcElement.className=="foldheader") {
		var srcIndex = event.srcElement.sourceIndex
		var nested = document.all[srcIndex+1]

		if (nested.style.display != ''){nested.style.display = 'none'}

//alert(nested.name)
//				alert(srcIndex)

		if (nested.name == 'close') {

//			nested.style.dispaly = ''
//			nested.name = 'open'
			open_menu (srcIndex+1)
//			window.status = srcIndex+1
//			alert(srcIndex+1)
			
//alert(last_menu_num)
			if 	(last_menu_num != 'td0' & last_menu_num != srcIndex+1) {		
				document.getElementById(last_menu_num).name = 'close'
				close_menu (document.getElementById(last_menu_num).sourceIndex)
				window.status = 1
			}
			last_menu_num = document.all[srcIndex+1].id
			event.srcElement.style.listStyleImage="url(images/open.gif)"
		}else{
		
			nested.style.dispaly = 'none'
			nested.name  = 'close'
			close_menu (srcIndex+1)
			event.srcElement.style.listStyleImage="url(images/fold.gif)"
		}

	}
}



TimeoutSECOND = 30
step = 7
//tdHeight= 0


function open_Frst(obj_index){
	if (obj_index != 0 & obj_index != 'td0'){
		var menu_name = document.getElementById(obj_index);
		menu_name.style.display = '';
		menu_name.style.height = menu_name.height
		menu_name.name = 'open'
	}
}



function loader(){

	if(navigator.appName == "WebTV")
	{
		// alert("You're using the WebTV browser.")
	}
	 if(navigator.appName == "Netscape")
	{
		SelectAll();		
		document.onclick = change_NS;
	}
	 if(navigator.appName == "Microsoft Internet Explorer")
	{
		document.onclick=change_IE
	}


}


function SelectAll() {
	for (var i=0;i<document.all.length;i++){
		document.all[i].srcIndex= i ;
//alert(document.all[i].srcIndex2+200)
	}
}




function open_menu(obj_index){

//alert(obj_index)
//last_menu_num = obj_index

var menu_name = document.all[obj_index]


menu_name.style.display = ''
menu_name.name = 'open'

//last_menu_num = obj_index


if (!menu_name.style.height){menu_name.style.height=0}

tdHeight = parseInt(menu_name.style.height)


	if ( tdHeight < menu_name.height & menu_name.name == 'open'){

		tdHeight = parseInt(menu_name.style.height) + step
		menu_name.style.display = ''
		menu_name.style.height = tdHeight;
		var myTime=setTimeout( "open_menu("+obj_index+")" , TimeoutSECOND);
	}
}

function close_menu(obj_index){
var menu_name = document.all[obj_index]


tdHeight = parseInt(menu_name.style.height)
if (tdHeight == 0 ){menu_name.style.display = 'none'};
//window.status = tdHeight

	if ( tdHeight > 0  & menu_name.name == 'close'){
		if (tdHeight = 1){
			//alert(tdHeight )
		}
		tdHeight = parseInt(menu_name.style.height) - step

		menu_name.style.height = tdHeight;
		var myTime=setTimeout( "close_menu("+obj_index+")" , TimeoutSECOND);
	}
}