function openwin(){
			window.open('http://rent.toyota.co.jp/top.asp');
		}
		
		/* menu imgchange */
		function smartRollover() {
			
			if(document.getElementsByTagName) {
				
				var images = document.getElementsByTagName("img");
				
				for(var i=0; i < images.length; i++) {
					if(images[i].getAttribute("src").match("_off.")) {
						images[i].onmouseover = function() {
													this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
												}
						images[i].onmouseout = function() {
													this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
												}
					}
				}
				
			}
		}
		
		if(window.addEventListener) {
			window.addEventListener("load", smartRollover, false);
		}
		else if(window.attachEvent) {
			window.attachEvent("onload", smartRollover);
		}
		
		function shopChange(elm) {
			var a = document.getElementById('div_1');
			var b = document.getElementById('div_2');
			if (elm == 'div_1') {
				a.style.display = 'none';
				b.style.display = 'block';
			} else {
				a.style.display = 'block';
				b.style.display = 'none';
			}
		}