if(document.images)
	{
		p1 =  new Image();
		p1.src = "/userfiles/image/btn_over_01.gif";
		
		p2 =  new Image();
		p2.src = "/userfiles/image/btn_over_02.gif";
		
		p3 =  new Image();
		p3.src = "/userfiles/image/btn_over_03.gif";
		
		p4 =  new Image();
		p4.src = "/userfiles/image/btn_over_04.gif";
		
		p5 =  new Image();
		p5.src = "/userfiles/image/btn_over_05.gif";
		
		p6 =  new Image();
		p6.src = "/userfiles/image/btn_over_06.gif";
	}