function popUp(url, wd, ht, scroll, tool, winname){
	if (!winname) winname="popUp";
	popupwin_handle= window.open(url,winname,'height='+ht+',width='+wd+',status=yes,scrollbars='+scroll+',toolbar='+tool+',resizable=yes,menubar=no,location=no');
	popupwin_handle.focus();
}