if(document.images)
	{
		p1 =  new Image();
		p1.src = "/Userfiles/image/btn_over_10.gif";
		
		p2 =  new Image();
		p2.src = "/Userfiles/image/btn_over_11.gif";
		
		p3 =  new Image();
		p3.src = "/Userfiles/image/btn_over_12.gif";
		
		p4 =  new Image();
		p4.src = "/Userfiles/image/btn_over_13.gif";
		
		p5 =  new Image();
		p5.src = "/Userfiles/image/btn_over_14.gif";
		
		p6 =  new Image();
		p6.src = "/Userfiles/image/btn_over_15.gif";
	}