// JavaScript Document
	function preload() {
		if (document.images) {
			this.length = preload.arguments.length;
			for (var i = 0; i< this.length; i++) {
				this["imge"+i] = new Image();
				this["imge"+i].src = preload.arguments[i];
			}
		}
	}
	
	if (document.images) {
	var stuff = new preload(
				"img/order_on.gif","img/koutei_on.gif","img/unyou_on.gif","img/network_on.gif","img/move_on.gif");
	}
	
	function mouse_in(n) {
			  if (document.images) {
				  var src = document.images["imge"+ n].src;
				  var off = src.lastIndexOf("off");
				  if (off != -1) {
					  var newsrc = src.substring(0,off) + "on";
					  document.images["imge"+ n].src = newsrc + ".gif";
				  }
			  }
	}


	function mouse_out(n) {
			  if (document.images) {
				  var src = document.images["imge"+ n].src;
				  var on = src.lastIndexOf("on");
				  if (on != -1) {
					  var newsrc = src.substring(0,on) + "off"
					  + src.substring(on +2, src.length);
					  document.images["imge"+ n].src = newsrc;
				  }
			  }
	}