if (document.images) {
			var imgOver = new Object();
			imgOver["image_1"] = new Image();
			imgOver["image_1"].src = "image/1_1.png";
			imgOver["image_2"] = new Image();
			imgOver["image_2"].src = "image/2_2.png";
			imgOver["image_3"] = new Image();
			imgOver["image_3"].src = "image/3_3.png";
			imgOver["image_4"] = new Image();
			imgOver["image_4"].src = "image/4_4.png";
			imgOver["image_5"] = new Image();
			imgOver["image_5"].src = "image/5_5.png";
			imgOver["image_6"] = new Image();
			imgOver["image_6"].src = "image/6_6.png";
			imgOver["image_7"] = new Image();
			imgOver["image_7"].src = "image/7_7.png";
			imgOver["image_8"] = new Image();
			imgOver["image_8"].src = "image/8_8.png";
			
			var imgOut = new Object();
			imgOut["image_1"] = new Image();
			imgOut["image_1"].src = "image/1.png";
			imgOut["image_2"] = new Image();
			imgOut["image_2"].src = "image/2.png";
			imgOut["image_3"] = new Image();
			imgOut["image_3"].src = "image/3.png";
			imgOut["image_4"] = new Image();
			imgOut["image_4"].src = "image/4.png";
			imgOut["image_5"] = new Image();
			imgOut["image_5"].src = "image/5.png";
			imgOut["image_6"] = new Image();
			imgOut["image_6"].src = "image/6.png";
			imgOut["image_7"] = new Image();
			imgOut["image_7"].src = "image/7.png";
			imgOut["image_8"] = new Image();
			imgOut["image_8"].src = "image/8.png";
			}
	function over(id) {
		if(document.getElementById) {
				document.getElementById(id).src = imgOver[id].src;
		}
	}
	function out(id) {
		if(document.getElementById) {
				document.getElementById(id).src = imgOut[id].src;
		}
	}