function popupFull(url) 
{
if(screen.width < 900) {
	width = screen.width;
} else {
	width = 900;
}
 params  = 'width=' + width;
 params += ', height='+screen.height;
 params += ', top=0, left=0'
 params += ', fullscreen=yes';
 params += ', resizable=yes';
 params += ', scrollbars=yes';

 newwin=window.open(url,'windowname4', params);
 if (window.focus) {newwin.focus()}
 return false;
}