if(document.images)

{

		p1 =  new Image();

		p1.src = "images/home-over.jpg";

		

		p2 =  new Image();

		p2.src = "images/categories-over.jpg";

		

		p3 =  new Image();

		p3.src = "images/steel-over.jpg";

		

		p4 =  new Image();

		p4.src = "images/paper-over.jpg";

		

		p5 =  new Image();

		p5.src = "images/industry-over.jpg";

		

		p6 =  new Image();

		p6.src = "images/contact-over.jpg";

}