function rollOver() {
	var suffix1 = "_off.";
	var suffix2 = "_on.";

	var images = $$("img").concat($$("input")); 

	var tmp = new Object();
	images.each( function(obj, index) {
		if(obj.getAttribute("src").indexOf(suffix1)!=-1)
		{
			obj.onmouseover = function() {
				this.setAttribute("src", this.getAttribute("src").replace(suffix1, suffix2));
			}
			obj.onmouseout = function() {
				this.setAttribute("src", this.getAttribute("src").replace(suffix2, suffix1));
			}
			tmp[index] = new Image();
			tmp[index].src = obj.src.replace(suffix1, suffix2);
		}
	} );
}

Event.observe(window, "load", rollOver, false);

/* メールアドレス生成 */
madrs1 = "nq_info";
madrs2 = "imgnation.co.jp";
madrs = madrs1 + unescape("%40") + madrs2;
function mailto()
{
  location.href = "mai" + "lto:" + madrs;
}
/* // メールアドレス生成 */