// Load multiple functions on window onload and onresize
// Source: http://simon.incutio.com/archive/2004/05/26/addLoadEvent
function addLoadEvent (func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

// Populates label text into an input field (i.e. search box)
function populateSearchFieldText (field_id, label) {
    if (!document.getElementById) return false;
    
    // On startup copy label text to field
    var field = document.getElementById(field_id);
    if(field) {
        field.value = label;
    
        // On focus blank out field if label text is value
        field.onfocus = function () {
            if (this.value == label) {
                this.value = '';
            }
        }
    
        // On blur copy label text if value is blank
        field.onblur = function () {
            if (this.value == '') {
                this.value = label;
            }
        }
    }
}

addLoadEvent(function(){
    populateSearchFieldText('search-input', "Search");
    populateSearchFieldText('auth_n', "Username");
    populateSearchFieldText('auth_p', "Password");
})