function IdYesNo(IdName){if(document.getElementById){return eval('document.getElementById("' + IdName + '")');}else{return eval('document.all.' + IdName);}}
	
function Search_ok(){
  if(IdYesNo("key").value==""){
    alert("Please enter keyword !");
    IdYesNo("key").focus();
    return false;
    }
  if(IdYesNo("key").value=="Key"){
    alert("Please enter keyword !");
	IdYesNo("key").value="";
    IdYesNo("key").focus();
    return false;
    }
return true;
}