if(document.images)
{
		p1 =  new Image();
		p2 =  new Image();
		p3 =  new Image();
		p4 =  new Image();
		p5 =  new Image();
		

	
		p1.src = "graphics/index_over_09.gif";
		p2.src = "graphics/index_over_10.gif";
		p3.src = "graphics/index_over_11.gif";
		p4.src = "graphics/index_over_12.gif";
		
}