var win=null;
	var scrw=screen.availWidth;
	var scrh=screen.availHeight;
	function NewWindow(mypage,myname,wdt,hgt){
		if ((wdt<=scrw)&&(hgt<=scrh)){
			LeftPosition=(scrw-wdt)/2;
			TopPosition=(scrh-hgt)/2;
			settings='width='+wdt+',height='+hgt+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
			win=window.open(mypage,myname,settings);
			}
		if ((wdt>scrw)&&(hgt<=scrh)){
			TopPosition=(scrh-hgt)/2;
			LeftPosition=0;
			settings='width='+scrw+',height='+hgt+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
			win=window.open(mypage,myname,settings);
			}
		if ((wdt<=scrw)&&(hgt>scrh)){
			LeftPosition=(scrw-wdt)/2;
			TopPosition=0;
			settings='width='+wdt+',height='+scrh+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
			win=window.open(mypage,myname,settings);
			}
		if ((wdt>scrw)&&(hgt>scrh)){
			LeftPosition=0;
			TopPosition=0;
			settings='width='+scrw+',height='+scrh+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
			win=window.open(mypage,myname,settings);
			}
		}