//set search box value
function setSearch()
{
    document.getElementById("searchTxt").value='Search Site';
    if (document.getElementById("diarySearchTxt")) {
        document.getElementById("diarySearchTxt").value='For GCSEs';
    };
}

//set search box to nothing on first focus.
var sValue;
function clearSearch(sValue){
    if(!sValue._haschanged){
      sValue.value=''
    };
    sValue._haschanged=true;
}
window.onload=setSearch;
 
function showEmailForm()
{
    var emailForm = document.getElementById("emailFormFieldset");
    emailForm.className = "show";
}
 

function openSurvey(surveyUrl)
{
    var surveyWindow = document.open(surveyUrl, "SurveyWindow", "");
    this.focus();
    window.location = window.location + "?clearSurvey=yes";
}