function popup(myLink, popupName, popupWidth, popupHeight, showmenubar, showscrollbars, left, top) {
	if (! window.focus) return;
	var myCampusPopup=window.open(myLink,popupName,"toolbar=no,location=no,directories=no,status=no,resizable=yes,width=" + popupWidth + ",height=" + popupHeight + ",menubar=" + showmenubar + ",scrollbars=" + showscrollbars + ",left=" + left + ",top=" + top+ ",screenX=" + left + ",screenY=" + top);
	myCampusPopup.focus();
	if (!myCampusPopup.opener) myCampusPopup.opener = top.frames[0].frames[2];
	return false;
}

// returns true or false
function checkMailSyntax(mail){
	if (window.RegExp) { // error check using regular expressions
		var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
		var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,20}|[0-9]{1,3})(\]?)$/; // valid email format
		if (!reg1.test(mail) && reg2.test(mail)) { // if syntax is valid do nothing
			return true;
		}else{
			return false;				
		}
	}
}

function tagError(id,text){
	tmpPar = $(id).parentNode;
	tmpPar.className = tmpPar.className + " error";
	tmpPar.setAttribute("title","This field is required");
	goFlag = false;
	msg = text;
}

function openwindow(address) {
	window.open(address,"","status,height=480,width=640,scrollbars=yes,resizable=yes")
}

function toggle(obj)
{
	if (document.getElementById(obj).style.display == 'none')
	{
		document.getElementById(obj).style.display = '';
		document.getElementById(obj + '1').style.display = '';
		document.getElementById(obj + '2').style.display = 'none';
	}
	else
	{
		document.getElementById(obj).style.display = 'none';
		document.getElementById(obj + '1').style.display = 'none';
		document.getElementById(obj + '2').style.display = '';
	}
	document.getElementById(obj + '1').blur();
	document.getElementById(obj + '2').blur();
	document.getElementById(obj).blur();
}

var displayAll = "";
function toggleFAQs(obj)
{
	var objStr = new String(obj);
	var objArr = objStr.split(',');
	for (i = 0; i < objArr.length; i++)
		document.getElementById(objArr[i]).style.display = displayAll;

	if (displayAll == "")
		displayAll = "none";
	else
		displayAll = "";
}

function callcart() {
	document.getElementById('viewShoppingCart').submit();
}