//popup windows
var myWin = null;
function gen_popup(theUrl,theWidth, theHeight) {

	theTitle = '';
	
	if ((!myWin) || (myWin.closed)) {
		
		theDim = 'width=' + theWidth + ',height=' + theHeight + ',left=10,top=10,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,';

		myWin = window.open(theUrl, theTitle, theDim);
		myWin.opener = window;
	} else {
		myWin.location = theUrl;
		myWin.focus();
		myWin.opener = window;
	}
}