function Check() {
   if(document.all&&!window.opera) {
     var a=document.all.detail;
     detail.document.body.scroll='no';
   } else {
     var a=document.getElementsByName('detail')[0];
     a.scrolling='no';
   }
   var a=document.getElementsByName('detail')[0];
   detail.document.getElementsByTagName('body')[0].style.overflow='hidden';
   var b=detail.document.getElementById('cont');
   if(a.style.height != eval(b.offsetHeight+35)+'px') {
      a.style.height=eval(b.offsetHeight+35)+'px';
   }
}