if(document.images){
	//2_0

	var sn_1_12_109_over=new Image(); sn_1_12_109_over.src="../img/sn_1_12_109_over.gif";
	var sn_1_12_109_off=new Image(); sn_1_12_109_off.src="../img/sn_1_12_109_off.gif";

	var sn_1_12_110_over=new Image(); sn_1_12_110_over.src="../img/sn_1_12_110_over.gif";
	var sn_1_12_110_off=new Image(); sn_1_12_110_off.src="../img/sn_1_12_110_off.gif";

}