var previd
		function NodeClick(id,type)
		{
			if (type == "P")
				{
					if (document.all.item('d' + id).style.display == "block")
						{
							document.all.item('d' + id).style.display = "none"
							document.all.item('i' + id).src = "plus.gif"
							NodeProcess(id,type)
							if (previd != "") {document.all.item(previd).style.backgroundColor=""}
							document.all.item('a' + id).style.backgroundColor="#000000"
							previd = 'a' + id
							
						}
					else
						{
							document.all.item('d' + id).style.display = "block"
							document.all.item('i' + id).src = "minus.gif"
							NodeProcess(id,type)
							if (previd != "") {document.all.item(previd).style.backgroundColor=""}
							document.all.item('a' + id).style.backgroundColor="#000000"
							previd = 'a' + id
						}
				}
			else
				{
					NodeProcess(id,type)
					if (previd != "") {document.all.item(previd).style.backgroundColor=""}
					document.all.item('a' + id).style.backgroundColor="#000000"
					previd = 'a' + id
				}
		}
		function NodeProcess(id,type)
		{
			
		}