function smartRollover() {

	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");
		var inputs = document.getElementsByTagName("input");

		for(var i=0; i < images.length; i++) {
			if( images[i].id == 'mari_tabs'    || images[i].id == 'engage_tabs'    ||
				images[i].id == 'info_tabs'    || images[i].id == 'shop_tabs'      ||
				images[i].id == 'voice_tabs'   || images[i].id == 'seikyu_tabs'    ||
                images[i].id == 'set_tabs'     ||

                images[i].id == 'btn_marriage' || images[i].id == 'btn_engagement' ||
                images[i].id == 'btn_set'      || images[i].id == 'btn_shop'
			) continue;

			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."));
				}
			}
		}

		for(var i=0; i < inputs.length; i++) {
			if( inputs[i].getAttribute("src") ){
				if(inputs[i].getAttribute("src").match("_off.")) {
					inputs[i].onmouseover = function() {
						this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
					}
					inputs[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);

}