//common functions
	function  switchimage(imagename,newimage){
		if (document.images) {
			eval("document."+imagename+".src=\""+newimage+"\";");
		}
	}
	
	function  rollover(imagename,newimage){
		switchimage(imagename,newimage);
	}
	
	function arrayRandNum(curArray){
		return Math.floor((Math.random()*100))%curArray.length;
	}

//Pre-load images
	if (document.images) {
		//header
		mpa_logo_over = new Image(92,54);
		mpa_logo_over.src = 'images/header_mpa_logo_over.gif';
		
		//header menu
		header_menu_legal_over = new Image(89,11);
		header_menu_legal_over.src = 'images/header_menu_legal_over.gif';
		header_menu_education_over = new Image(64,11);
		header_menu_education_over.src = 'images/header_menu_education_over.gif';
		header_menu_about_over = new Image(85,11);
		header_menu_about_over.src = 'images/header_menu_about_over.gif';
		header_menu_enforcement_over = new Image(84,11);
		header_menu_enforcement_over.src = 'images/header_menu_enforcement_over.gif';
		header_menu_moviethieves_over = new Image(86,11);
		header_menu_moviethieves_over.src = 'images/header_menu_moviethieves_over.gif';	
		header_menu_faqs_over = new Image(31,11);
		header_menu_faqs_over.src = 'images/header_menu_news_over.gif';
		header_menu_news_over = new Image(33,11);
		header_menu_news_over.src = 'images/header_menu_news_over.gif';
		
		//right column
		home_news_over = new Image(249,24);
		home_news_over.src = 'images/home_news_over.gif';
		home_moviethieves_over = new Image(249,24);
		home_moviethieves_over.src = 'images/home_moviethieves_over.gif';		
		home_mt_stop_over = new Image(149,18);
		home_mt_stop_over.src = 'images/home_mt_stop_over.gif';			
		
		
		
				
	}