function chooseCat(id){
      
      document.getElementById("ft").innerHTML=""; // loader fix
      
      var ajaxRequest;  
            try{
                    // Opera 8.0+, Firefox, Safari
                    ajaxRequest = new XMLHttpRequest();
            } catch (e){
                    // Internet Explorer Browsers
            try{
                            ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
                    } catch (e) {
                            try{
                                    ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
                            } catch (e){
                                    // Error
                                    alert("Ajax Error");
                                    return false;
                            }
                    }
            }
          
            
            var q = id;
            var url = "scripts/chooseCat.php?id="+q;
           
            
            ajaxRequest.open("GET", url , true);
           
           
             if ($("#ft:not(:empty)")){
                  $("#loader").show("fade",{},0);
            }
            
           
            
            ajaxRequest.onreadystatechange = function(){
     
                    if(ajaxRequest.readyState == 4 && ajaxRequest.status == 200){
                          
                          
                            document.getElementById("grid").innerHTML=ajaxRequest.responseText;
                     
                              
                              if ($("#ft:empty")){
                                     $("#loader").hide("fade",{},0);
                              }   
                            
                    }else{
                        
                    }
    
            }
    
            
            ajaxRequest.send();
}