var bookWin=null;
function openBook(name,url,width,height){
 bookWin = open("",name, "toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,copyhistory=no,scrollbars=no,width="+width+",height="+height);
 bookWin.moveTo(0,0);
 bookWin.focus();
 bookWin.location=url;
 //screen.availHeight > 600-40&&screen.availHeight
}