if(document.images)
		{
		
		p1 =  new Image();
		p2 =  new Image();
		p3 =  new Image();
		p4 =  new Image();
		p5 =  new Image();
		p6 =  new Image();
						
		p1.src = "userfiles/image/graphics/btn_over_17.gif";
		p2.src = "userfiles/image/graphics/btn_over_19.gif";
		p3.src = "userfiles/image/graphics/btn_over_21.gif";
		p4.src = "userfiles/image/graphics/btn_over_26.gif";
		p5.src = "userfiles/image/graphics/btn_over_28.gif";
		p6.src = "userfiles/image/graphics/btn_over_30.gif";
}