/**
 * @copyright (C) 2007 Lemon Foundation <http://www.lemonfoundation.com> 
 * @author Ca Phun Ung
 * @date July 2007 
 *
 * This javascript file contains core functions and classes
 *
 ----------------------------------------------------------------------*/

// IE6 flicker bug fix <http://www.hedgerwow.com/360/bugs/dom-fix-ie6-background-image-flicker.html>
(function(){ /*Use Object Detection to detect IE6*/ var m = document.uniqueID /*IE*/ && document.compatMode /*>=IE6*/ && !window.XMLHttpRequest /*<=IE6*/ && document.execCommand ; try{ if(!!m){ m("BackgroundImageCache", false, true) /* = IE6 only */ } }catch(oh){}; })();

// Preload images
simplePreload('/careers/graduate/images/common/page_bg.png',
	'/careers/graduate/images/common/wrapper_bg.png',
	'/careers/graduate/images/navigation/home-off.png',
	'/careers/graduate/images/navigation/home-on.png',	
	'/careers/graduate/images/navigation/nav-advice-off.png',
	'/careers/graduate/images/navigation/nav-advice-on.png',
	'/careers/graduate/images/navigation/nav-contacts-off.png',
	'/careers/graduate/images/navigation/nav-contacts-on.png',
	'/careers/graduate/images/navigation/nav-divisions-off.png',
	'/careers/graduate/images/navigation/nav-divisions-on.png',
	'/careers/graduate/images/navigation/nav-event-off.png',
	'/careers/graduate/images/navigation/nav-event-on.png',
	'/careers/graduate/images/navigation/nav-meet-off.png',
	'/careers/graduate/images/navigation/nav-meet-on.png',
	'/careers/graduate/images/navigation/nav-programme-off.png',
	'/careers/graduate/images/navigation/nav-programme-on.png',
	'/careers/graduate/images/navigation/nav-who-off.png',
	'/careers/graduate/images/navigation/nav-who-on.png',
	'/careers/graduate/images/navigation/nav-applyonline-off.jpg',
	'/careers/graduate/images/navigation/nav-applyonline-on.jpg',
	'/careers/graduate/images/navigation/nav-dayinthelifemovie-off.jpg',
	'/careers/graduate/images/navigation/nav-dayinthelifemovie-on.jpg',
	'/careers/graduate/images/navigation/nav-latestnews-off.jpg',
	'/careers/graduate/images/navigation/nav-latestnews-on.jpg',	
	'/careers/graduate/images/navigation/ico_level1.gif',	
	'/careers/graduate/images/navigation/ico_level1_on.gif',		
	'/careers/graduate/images/navigation/ico_level2.gif',
	'/careers/graduate/images/navigation/ico_level2_on.gif'
);


/** 
 * simplePreload - repload images
 * This function was taken from the Dreamweaver library.
 --------------------------------------------------------*/
function simplePreload() { 
  var args = simplePreload.arguments;
  document.imageArray = new Array(args.length);
  for(var i=0; i<args.length; i++) {document.imageArray[i] = new Image; document.imageArray[i].src = args[i];}
}

/**
 * addLoadEvent - simple window.onload event loader.
 --------------------------------------------------------*/
function addLoadEvent(f){
	var r = false;
  if (window.addEventListener){
    window.addEventListener('load', f, false);
		r = true;
  }
  else if (window.attachEvent)
  	r = window.attachEvent("onload", f);
	else {
		var oldonload=window.onload;
		if (typeof window.onload != 'function') {
			window.onload=function(){ f(); }
		} else {
			window.onload=function(){if(oldonload){ oldonload(); }f();};
		}
		r = true;		
	} 
  return r;
}