function changeSearchType(sType) {

			var form = document.FormData;

			document.getElementById('PDimages').src ="/images/en/global/tab1_off_01.gif";
      document.getElementById('BLimages').src ="/images/en/global/tab1_off_02.gif";
      document.getElementById('SLimages').src ="/images/en/global/tab1_off_03.gif";
      document.getElementById('COimages').src ="/images/en/global/tab1_off_04.gif";

	switch(sType){

 			case("PD"):{
 				document.getElementById('PDimages').src ="/images/en/global/tab1_on_01.gif";
 	      form.action ="/trade/buyer/productList.jsp";
 				break;
 			}
 			case("BL"):{
 			  document.getElementById('BLimages').src ="/images/en/global/tab1_on_02.gif";
 				form.offerType.value="B";
 				form.action ="/trade/sellers/offerList.jsp";
 				break;
 			}
 			case("SL"):{
 				document.getElementById('SLimages').src ="/images/en/global/tab1_on_03.gif";
 				form.offerType.value="S";
 				form.action ="/trade/sellers/offerList.jsp";
 				break;
 			}
 			case("CO"):{
 			  document.getElementById('COimages').src ="/images/en/global/tab1_on_04.gif";
 			  form.action ="/trade/buyer/company/companyList.jsp";
 				break;

 			}
	}

}

function Searchx(){

	var form = document.FormData;
	form.submit() ;
}