if (document.images) {
		pic1=new Image();
		pic1.src="/pf_images/main/logo.gif";
		pic2=new Image();
		pic2.src="/pf_images/main/top_bar_em.gif";
		pic3=new Image();
		pic3.src="/pf_images/main/bot_bar_em_left.gif";
		pic4=new Image();
		pic4.src="/pf_images/main/bot_bar_em_right.gif";
		pic5=new Image();
		pic5.src="/pf_images/main/catalog.gif";
		
	}