// Props to Jeremy Keith - www.domscripting.com

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

function clearText(field) {
	 if(field.value == field.defaultValue) {
		 field.value = "";
	 }
 }