function MM_preloadImages() { //v3.0
      var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
        var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
        if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
    }

    function MM_swapImgRestore() { //v3.0
      var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
    }

    function MM_findObj(n, d) { //v4.01
      var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
        d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
      if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
      for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
      if(!x && d.getElementById) x=d.getElementById(n); return x;
    }

    function MM_swapImage() { //v3.0
      var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
       if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
    }

    function fnGetGoogleDirections() {
        var googleDirectionsURL = "http://maps.google.co.uk/maps?f=q&hl=en&q=SOURCE+to+DESTINATION"
        var txtSrcPostCode = document.getElementById("txtSrcPostCode");
        var srcPostCode = txtSrcPostCode.value;
        var cboPostCode = document.getElementById("cboPostCode");
        var destPostCode = cboPostCode.options[cboPostCode.selectedIndex].value;
        if (destPostCode) {
            if (srcPostCode) {
                srcPostCode = srcPostCode.replace(" ", "");
                googleDirectionsURL = googleDirectionsURL.replace("SOURCE", srcPostCode);
                googleDirectionsURL = googleDirectionsURL.replace("DESTINATION", destPostCode);
                window.open(googleDirectionsURL, "Google");
            }
        }
    }

    function fnKeyDown(e) {
        var keynum
        var keychar
        var numcheck
        if (window.event) { //IE
            keynum = e.keyCode;
        } else if (e.which) { // Netscape/Firefox/Opera
            keynum = e.which;
        }
        if (keynum == 13) {
            fnGetGoogleDirections();
        }
    }

    function OnClientClose(oWnd) {
        // cause an ajax postback
        __doPostBack('UpdatePanel1', '');
    }

    function fnOptionOver(sender) {
        document.getElementById(sender).style.color = '#ffa300';
    }

    function fnOptionOut(sender) {
        document.getElementById(sender).style.color = '#ffffcc';
    }

    function fnRadToGo_Click() {
        window.location = "results.aspx?catid=111";
    }

    function fnTowel_Click() {
        window.location = "results.aspx?catid=294";
    }

    function fnValves_Click() {
        window.location = "results.aspx?catid=34";
    }

    function fnDIY_Click() {
        window.location = "results.aspx?catid=159";
    }

    function fnElements_Click() {
        window.location = "results.aspx?catid=343";
    }