function open_window(aPage,aWidth,aHeight,aLeft,aTop) {		
	if (!aWidth)
		aWidth = 480;
	if (!aHeight)
		height = 350; 
	if (!aLeft)
		aLeft = screen.width / 2 - aWidth / 2;
	if (!aTop)
		aTop = (screen.height / 2) - (aHeight);

	OpenWin = window.open(aPage, "window", "toolbar=no,menubar=no,location=no,scrollbars=no,resizable=no,width=" + aWidth + ",height=" + aHeight + ",left=" + aLeft + ",top=" + aTop + "");
}

function submit_form(form_name, href) {
	
	lForm = document.forms[form_name];
	lForm.action = href;
	lForm.submit();
	
}

function select_option (aForm,aElm,aOpValue) {	
	var lOption = document.forms[aForm].elements[aElm].options;		
	for (var i = 0; i < lOption.length; i++) {
		if (lOption[i].value == aOpValue) {
			lOption[i].selected = true;
		}
	}	
}

var openImg = new Image(); 
openImg.src = "open.gif";
var closedImg = new Image();
closedImg.src = "closed.gif";

function showBranch(branch) {
	var objBranch = 
		 document.getElementById(branch).style;
	if(objBranch.display=="block")
		 objBranch.display="none";
	else
		 objBranch.display="block";
}

function swapFolder(img) {
	objImg = document.getElementById(img);
	if(objImg.src.indexOf('closed.gif')>-1)
		 objImg.src = openImg.src;
	else
		 objImg.src = closedImg.src;
}

function check_delete(formid, name, href) {
	form = document.getElementById(formid);		
	if(confirm("Delete " + name + "?")) {
		form.action = href;
		form.submit();
	}
}
//swapFolder('folder1')