// Clear default search box text when clicked in
function initSearchBox() {
	if (!document.getElementById("keywords")) return false;
	var theField = document.getElementById("keywords");
	var defText = theField.value;
	theField.onfocus = function() { if(theField.value==defText) theField.value=""; }
	theField.onblur = function() { if(theField.value=="") theField.value=defText; }
}

// Onload event
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

addLoadEvent(initSearchBox);