/**
 * @author andrew (from a script by Simon Wilson)
 */

//allows a function to be added to the window.onload handler without disturbing existing onload functions
function addOnloadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}



/*usage
	addOnloadEvent(nameOfSomeFunctionToRunOnPageLoad);
	addOnloadEvent(function() {
	  	// more code to run on page load 
	});
*/