function ow(wname)
{
	var width = (screen.availWidth>810)?810:screen.availWidth;
	var height = (screen.availHeight>600)?600:(screen.availHeight-100);
	var x = (screen.availWidth-width) / 2;
	var y = (screen.availHeight-height-100) / 2;

	var menubar = "yes" ;
	var toolbar = "no" ;
	var status = "yes" ;

	var win = window.open("",
						wname,
						"toolbar=" + toolbar
						+ ",status=" + status
						+ ",menubar=" + menubar
						+ ",width=" + width
						+ ",height=" + height
						+ ",location=no,directories=no,scrollbars=yes,resizable=yes");
	win.moveTo(x,y) ;

	win.focus();
	win.document.open();
	win.document.write("<title>Map Loading ...</title><p>Map Loading ...");
	win.document.close() ;
	return true ;
}