var win=null;
function NewWindow(mypage,myname,w,h,scroll,pos) {
	if(pos=="center") {
		LeftPosition=(screen.width) ? (screen.width-w)/2:100;
		TopPosition=(screen.height) ? (screen.height-h)/2:100; 
	} 
	else if( (pos!="center" && pos!="random") || pos==null ) {
		LeftPosition=0;
		TopPosition=20
	}
	settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=yes';
	win=window.open(mypage,myname,settings);
}