var http = false;


    if(navigator.appName == "Microsoft Internet Explorer") {



      http = new ActiveXObject("Microsoft.XMLHTTP");



    } else {



      http = new XMLHttpRequest();



    }



    function validate(user) {



      http.abort();



      http.open("GET", "shop_by_price_mini.php", true);



      http.onreadystatechange=function() {



        if(http.readyState == 4) {



          document.getElementById('foo').innerHTML = http.responseText;



        }



      }



      http.send(null);



    }




    function validate_design(user) {



      http.abort();



      http.open("GET", "shop_by_design_mini.php", true);



      http.onreadystatechange=function() {



        if(http.readyState == 4) {



          document.getElementById('foo_design').innerHTML = http.responseText;



        }



      }



      http.send(null);



    }