function checkkeyword(){
        var key = $('#cat_Search').val();
        if(key==''){
            alert('Can not be empty!');
            return false;
        }else{
            window.location.href='/search.php?sort='+key;
        }
    }
    function CheckVendor(){
        if($("#cert_id").val()==undefined){
            alert("Can't Empty");
            return false;
        }else{
          a=$("#cert_id").val();
          location.href='/'+a+'-certifications/';
        }
    }