function toggle(item) {
	obj=document.getElementById(item);
	var image_folder = document.image_folder;
	visible=(obj.style.display!="none");
	key=document.getElementById("x_" + item);
	if (visible) {
		obj.style.display="none";
		key.innerHTML="<img src='" + image_folder + "/tree/folder_closed.gif' class='FolderIcon'>";
	} else {
		obj.style.display="block";
		key.innerHTML="<img src='" + image_folder + "/tree/folder_open.gif' class='FolderIcon'>";
	}
}

function expand(image_folder) {
	divs=document.getElementsByTagName("div");
	for (i=0;i<divs.length;i++) {
		div_id = divs[i].id;
		if (div_id.indexOf("id") != -1) {
			divs[i].style.display="block";
			key=document.getElementById("x_" + divs[i].id);
			key.innerHTML="<img src='"+image_folder+"/tree/folder_open.gif' width='16' height='16' hspace='0' vspace='0' border='0'>";
		}
   }
}

function collapse(image_folder) {
	var div_id = "", count=0;
	divs=document.getElementsByTagName("div");
	for (i=0;i<divs.length;i++) {
		div_id = divs[i].id;
		if (div_id.indexOf("id") != -1) {
			divs[i].style.display="none";
			key=document.getElementById("x_" + divs[i].id);
			key.innerHTML="<img src='"+image_folder+"/tree/folder_closed.gif' width='16' height='16' hspace='0' vspace='0' border='0'>";
		}
	}
	//alert("div id is " + divs.length);
}

function gotoTree(selectTag) {
	var pageURL = document.sessionurl + '&page01=category&category01=';
	var selectValue = selectTag.options[selectTag.selectedIndex].value;
	parent.location = pageURL + selectValue;
}

function hideTreeGoBtn() {
	//Create an array 
	var treeBtn=document.getElementById("CategoryTreeBtn");
	if (treeBtn != null) {
		treeBtn.style.display="none";
	}
}