var ld = (document.all);
    var ns4 = document.layers;
    var ns6 = document.getElementById && !document.all;
    var ie4 = document.all;
    if (ns4){
        ld = document.loading;
    }else if(ns6){
        ld = document.getElementById("loading").style;
    }else if(ie4){
        ld = document.all.loading.style;
    }
    function loaderInit(){
        if(ns4){
            ld.visibility = "hidden";
        }else if(ns6||ie4){
            ld.display = "none";
        }
    }