function hidestatus(){
	var statusmsg=""
	window.status = statusmsg
	return true
}

function OpenWin(sUrl, iWidth, iHeight){
	var iLeft = (screen.width  - iWidth)/2
	var iTop  = (screen.height - iHeight)/2
	
	var x=window.open(sUrl,"popup","width="+iWidth+",height="+iHeight+",left="+iLeft+",top="+iTop+",scrollbars=no,menubar=no,scrolling=no")
	x.focus();
}

function OpenWinWithScroll(sUrl, iWidth, iHeight){
	var iLeft = (screen.width  - iWidth)/2
	var iTop  = (screen.height - iHeight)/2
	
	var x=window.open(sUrl,"popup","width="+iWidth+",height="+iHeight+",left="+iLeft+",top="+iTop+",scrollbars=yes,menubar=no,scrolling=yes");	
	x.focus();
}

function isValidDate(datField) {
	var dateStr;
	dateStr = datField.value
	var datePat = /^(\d{1,2})(\/|-)(\d{1,2})\2(\d{2}|\d{4})$/;
	var matchArray = dateStr.match(datePat); // is the format ok?
	if (matchArray == null) {
		//alert("Date is not in a valid format.")
		return false;
	}
	month = matchArray[1]; // parse date into variables
	day = matchArray[3];
	year = matchArray[4];
	if (month < 1 || month > 12) { // check month range
		//alert("Month must be between 1 and 12.");
		return false;
	}
	if (day < 1 || day > 31) {
		//alert("Day must be between 1 and 31.");
		return false;
	}
	if ((month==4 || month==6 || month==9 || month==11) && day==31) {
		//alert("Month "+ month +" doesn't have 31 days!")
		return false
	}
	if (month == 2) { // check for february 29th
		var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
		if (day>29 || (day==29 && !isleap)) {
			//alert("February " + year + " doesn't have " + day + " days!");
			//datField.value = '';
			return false;
		}
	}
	return true;  // date is valid
}