function openwin(page,size)
{
window.open(page,"newuser","toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=no,"+ size);
}                                                                                          
function research_onsubmit() {
 if(document.research.Options[0].checked==false &&document.research.Options[1].checked==false&&document.research.Options[2].checked==false&&document.research.Options[3].checked==false)
  {
    alert("´íÎó:ûÓÐÑ¡Ôñ£¡")
    return false
   }
 }