var winSt = 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,';
var pwin = null;

function openImg(url,winName,hi){
	if (url) {
		pwin = window.open(url,winName,winSt + 'width=800,height='+ hi)
	}
}