function doConfirm() {
	return ((confirm('Are you sure you want to delete this item?'))? true: false);
}
function initial() {
	document.getElementById('left_nav').style.height = document.body.offsetHeight + 'px';
}
function tree(name) {

	if (document.getElementById('content_' + name).style.display == 'none') {
		document.getElementById('content_' + name).style.display = 'block';
		document.getElementById('image_' + name).src = 'images\/minus.gif';
	}else{
		document.getElementById('content_' + name).style.display = 'none';
		document.getElementById('image_' + name).src = 'images\/plus.gif';
	}
	
	//document.getElementById('left_nav').style.height = document.getElementById('main').clientHeight + 'px';
	document.getElementById('left_nav').style.height = document.body.offsetHeight + 'px';
}

function tree2(name) {

	if (document.getElementById('content_' + name).style.display == 'none') {
		document.getElementById('content_' + name).style.display = 'block';
		document.getElementById('image_' + name).src = 'test\/images\/minus.gif';
	}else{
		document.getElementById('content_' + name).style.display = 'none';
		document.getElementById('image_' + name).src = 'test\/images\/plus.gif';
	}
	
	//document.getElementById('left_nav').style.height = document.getElementById('main').clientHeight + 'px';
	document.getElementById('left_nav').style.height = document.body.offsetHeight + 'px';
}

function news_letter() {
	
	if (vmail(document.form1.email.value)) {
		window.open("news_letter_popup.html","", 'resizeable=1,scrollbars=0,toolbar=0,directories=0,status=0,menubar=0,width=310,height=210');
		document.form1.submit();	
	}else{
		alert("Please enter a valid email address.");
		return false;
	}
}

function vmail(email)	{
	var re = /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/;
	if (!re.test(email)) {
		return false;
	}else{
		return true;
	}
}

function vmail2(email)	{
	var re = /\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/;
	if (!re.test(email)) {
		alert("Your email address is invalid.");
		return false;
	}else{
		return true;
	}
}

function extend_a(names,type) {
   
	if (type == undefined) {
		if (document.getElementById(names).style.display == 'none') {
			document.getElementById(names).style.display = 'block';
		}else{
			document.getElementById(names).style.display = 'none';
		}
   }else{
		vName = names.split(',');
		for (i = 0; i < vName.length; i++) {
			if (type == 'indent') {
				document.getElementById(vName[i]).style.display = 'none';
			}else{
				document.getElementById(vName[i]).style.display = 'block';
			}
		}
	}
}

function CheckUpload(FileType, url) {
	
	ExtendName = FileType.split('|');
	if (url == undefined) {
		var string = document.getElementById('uploadfile').value;
	}else{
		var string=url;
	}
	lowcase = string.toLowerCase();
	start = lowcase.lastIndexOf('.');
	ss = lowcase.substr(start, 4);
	for (i = 0; i < ExtendName.length; i++) {
		if (ExtendName[i] !== ss) {
			continue;
		}else{
			return true;
		}
	}
	if (url == undefined) {
		parent.document.getElementById('divProcessing').style.display = 'none';
	}
	alert ('Not support this file type ' + ss);
	return false;
}

function CheckPhoto(imgext, url, id) {
	
	if (CheckUpload(imgext, url)) {
		window.frames[id].document.myform.submit();
	}
}
//window.onload = initial;

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}