/* ロールオーバー　*/

MM_preloadImages(
'http://rct-zanzo.com/images/bn_baseball_on.jpg',
'http://rct-zanzo.com/images/bn_msg_on.jpg',
'http://rct-zanzo.com/images/btn_back_top_on.jpg',
'http://rct-zanzo.com/images/btn_greeting_on.jpg',
'http://rct-zanzo.com/images/btn_media_on.jpg',
'http://rct-zanzo.com/images/btn_r_and_c_on.jpg',
'http://rct-zanzo.com/images/btn_target_on.jpg',
'http://rct-zanzo.com/images/btn_view_all_on.jpg',
'http://rct-zanzo.com/images/btn_voice_on.jpg',
'http://rct-zanzo.com/images/btn_book_on.jpg',
'http://rct-zanzo.com/images/btn_lecture_on.jpg',
'http://rct-zanzo.com/images/btn_next_on.jpg',
'http://rct-zanzo.com/images/cmenu_1_on.jpg',
'http://rct-zanzo.com/images/cmenu_2_on.jpg',
'http://rct-zanzo.com/images/cmenu_3_on.jpg',
'http://rct-zanzo.com/images/cmenu_4_on.jpg',
'http://rct-zanzo.com/images/cmenu_5_on.jpg',
'http://rct-zanzo.com/images/cmenu_6_on.jpg',
'http://rct-zanzo.com/images/cmenu_7_on.jpg',
'http://rct-zanzo.com/images/cmenu_8_on.jpg',
'http://rct-zanzo.com/images/cmenu_9_on.jpg',
'http://rct-zanzo.com/images/cmenu_10_on.jpg',
'http://rct-zanzo.com/images/cmenu_11_on.jpg',
'http://rct-zanzo.com/images/cmenu_12_on.jpg',
'http://rct-zanzo.com/images/cmenu_13_on.jpg',
'http://rct-zanzo.com/images/gmenu_1_on.jpg',
'http://rct-zanzo.com/images/gmenu_3_on.jpg',
'http://rct-zanzo.com/images/gmenu_4_on.jpg',
'http://rct-zanzo.com/images/gmenu_5_on.jpg',
'http://rct-zanzo.com/images/gmenu_6_on.jpg',
'http://rct-zanzo.com/images/gmenu_7_on.jpg',
'http://rct-zanzo.com/images/gmenu_8_on.jpg',
'http://rct-zanzo.com/images/img_main_on.jpg',
'http://rct-zanzo.com/images/navi_0_on.jpg',
'http://rct-zanzo.com/images/navi_1_on.jpg',
'http://rct-zanzo.com/images/navi_2_on.jpg',
'http://rct-zanzo.com/images/navi_3_on.jpg',
'http://rct-zanzo.com/images/navi_4_on.jpg',
'http://rct-zanzo.com/images/navi_5_on.jpg'
);

function MM_preloadImages() {

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}


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);
}