// JavaScript Document
function oncke(s)
 {
   	 if(s.keywords.value=="")
	 {
	  alert("ÇëÊäÈë¹Ø¼ü×Ö!");
	  s.keywords.focus()
	  return false;
	 }
	 s.submit();
	 return true;
 }
 function aa()
  {
     document.getElementById('abcon').className='cac'
  }
  function bb()
  {
     document.getElementById('abcon').className='cdc'
  }
  function cc()
  {
     document.getElementById('abcon').className='cbc'
  }