function imagezoom(pic, width, heigth){
var picName="/images/photo/" + pic;
width = width+20;
heigth = heigth + 20;
photo=window.open(picName,'zoomWin','width='+width+',height='+heigth+',left=200,top=200,toolbar=no,location=no,status=0,menubar=0,scrollbars=0,resizable=no');
photo.onload=photo.focus();
}