function checkcate()
 {
   var c = document.forms['cate'].category.value;
   if( c== "" || c==null)
   {
     alert("Please select a category first!");
     document.forms['cate'].category.focus();
     return false;

   }
   else
     return true;

 }

 function checkkey()
 {
   var k = document.forms['search'].keyword.value;
   if(k =="" ||k.length == 0 || k.indexOf('Keyword')!= -1)
   {
     alert("Please Enter a keyword!");
     document.forms['search'].keyword.value='';
     document.forms['search'].keyword.focus();
     return false;
   }
  
     return true;

 }