
function popup(path, defaultWidth, defaultHeight)
{
	//var defaultWidth = 640;
	//var defaultHeight = 480;
	
	var xwin = parseInt((screen.availWidth / 2) - (defaultWidth / 2));
	var ywin = parseInt((screen.availHeight / 2) - (defaultHeight / 2));
	
	zwin = window.open("","","left="+xwin+",top="+ywin+",width=" + defaultWidth + ",height=" + defaultHeight + "\"");
	zwin.moveTo(xwin,ywin);
	
	zcon = "<html>\n<head>\n<title>Click to close</title>\n</head>\n";
	zcon += "<table width=\"100%\" height=\"100%\" cellspacing=\"0\" cellpadding=\"0\" border=\"0\"><tr><td align=\"center\" valign=\"middle\">";
	zcon += "<body self.moveTo((screen.availWidth / 2) - (defaultWidth / 2 + 5),(screen.availHeight / 2) - (defaultHeight / 2 + 20))\" leftmargin=\"0\" topmargin=\"0\" marginwidth=\"0\" marginheight=\"0\">\n";
	zcon += "<a class=\"text_medium\" href=\"javascript:self.close()\"><img name=\"zimg\" src=\""+path+"\" border=\"0\" alt=\"Click to close\"><br>close</a>\n";
	zcon += "</td></tr></table></body>\n</html>";
	
	zwin.document.open();
	zwin.document.write(zcon);
	zwin.document.close();
}
