function openwin (url, width, height, winName) {
    window.open ('http://www.huntcal.com'+url, (winName ? winName : 'samples'), "width=" + (width ? width : "740") + ",height=" + (height ? height : 560) + ",scrollbars=1,resizable=1,toolbar=1,status=1,location=1,directories=1,menubar=1");
	return false;
}