function func_text_click()
{
  document.form1.SearchString2.value="";
}
function Func_Search()
{
 var searchstring = document.form1.SearchString2.value;
 if( searchstring ==null || searchstring=="")
 {
	 alert("Please enter the search keyword");
	 document.form1.SearchString2.focus();
	 return false;
 }
 
  document.form1.method="post";
  document.form1.action="/mmportal/search1.jsp";
  document.form1.submit();
  return true;
}