function NewWindow(mypage,myname){
	LeftPosition=(screen.width)?(screen.width-400)/2:100;
	TopPosition=(screen.height)?(screen.height-400)/2:100;
	settings='width='+400+',height='+400+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
	win=window.open(mypage,myname,settings);
}