function postSearchQuery() {
  var strValue = document.getElementById("txtHtmlSearch").value;
  var strAddress = document.getElementById("ucHeader_txtResultsAddress").value;

  if (strValue != "" && strValue != document.getElementById("ucHeader_litSearchFieldText").value) {
    strValue = encodeURIComponent(strValue);
    
    if (strAddress.indexOf("?", 0) >= 1) {
      strAddress += "&";
    } else {
      strAddress += "?";
    }
    strAddress += "q="
    strAddress += strValue;

    window.location.href = strAddress
  }
}
function disableEnterKey(e) {
  var key;
  
  if(window.event) {
    key = window.event.keyCode; //IE
  } else {
    key = e.which; //firefox
  }

  if(key==13) {
    postSearchQuery();
    return false;
  } else {
    return true;
  }
}