if(navigator.userAgent.indexOf('MSIE',0) != -1){var isIE = true;}
else {var isIE = false;}

function PopUp(URLStr) {
	if (typeof(wind) == "object"){
		if (isIE) {wind.close();}
		else {wind.close;}
	}
	wind = window.open(URLStr, '', 'scrollbars=yes,resizable=yes,copyhistory=yes,width=600,height=500');
}