function funChkData(obj) {
		if(obj.value=="") obj.value=obj.title;
		else if(obj.value==obj.title) obj.value="";
	}

	function funMnuTopLeft(elemID,xy) {
		var offsetTrail = document.getElementById(elemID);
		var offsetLeft = 0;
		var offsetTop = 0;
		while (offsetTrail) {
			offsetLeft += offsetTrail.offsetLeft;
			offsetTop += offsetTrail.offsetTop;
			offsetTrail = offsetTrail.offsetParent;
		}
		if (navigator.userAgent.indexOf("Mac") != -1 && 
			typeof document.body.leftMargin != "undefined") {
			offsetLeft += document.body.leftMargin;
			offsetTop += document.body.topMargin;
		}
		if(xy=='x') return offsetLeft;
		else return offsetTop;
	}
	
	function funIsValidMail(str)
	{
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
		if (filter.test(str)) return true
		else
		{
			alert("Та мэйл хаягаа зөв оруулна уу!\n\rPlease input a valid email address!")
			return false
		}
		return false
	}