function OnTopMenuMouseOver(clientId, hoverImagePath) {
        
        var el = document.getElementById(clientId);
        el.src = hoverImagePath;
        var src;
        var browser = navigator.appName;
        var b_version = navigator.userAgent;

         

        if (browser == "Microsoft Internet Explorer") {

            var version = parseFloat((new RegExp("MSIE ([0-9]{1,}[.0-9]{0,})")).exec(b_version)[1]);
            if(version <= 6)
            {
            src = el.src;
            el.src = "/DesktopModules/TopMenu/blank.gif"; 
            el.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";   
            }
        }


    }
    function OnTopMenuMouseOut(clientId, outImagePath) {
        var el = document.getElementById(clientId);
        el.src = outImagePath;
        var src;
        var browser = navigator.appName;
        var b_version = navigator.userAgent;
        if (browser == "Microsoft Internet Explorer") {

            var version = parseFloat((new RegExp("MSIE ([0-9]{1,}[.0-9]{0,})")).exec(b_version)[1]);
            if (version <= 6) {
                src = el.src;
                el.src = "/DesktopModules/TopMenu/blank.gif";
                el.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')";
            }
        } 
    }