var ele = document.getElementById("dnn_dnnLOGIN_hypLogin");
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      if (strHREF.indexOf("Logoff.aspx") > -1){
        document.getElementById("loginlinks").style.display = "";
      }else{
        document.getElementById("loginlinks").style.display = "none";
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    } 

<!--
<!--
today=new Date();
// Build an array initializer

function isnArray() {
        argnr=isnArray.arguments.length
        for (var i=0;i<argnr;i++) {
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}
// And months and day arrays
var isnMonths=new isnArray("January","February","March","April","May","June","July","August","September","October","November","December");
var isnDays= new isnArray("Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday");
isnDays[0]="Sunday";
function MM_displayStatusMsg(msgStr) { //v1.0
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}
// -->