// JavaScript Document
// Rollover img change

function smartOver() {

smartRollover('h_navi1');
smartRollover('h_navi2');
smartRollover('h_navi3');
smartRollover('h_navi4');
smartRollover('h_navi5');
smartRollover('header_contact_bt');
smartRollover('navi_pt');
smartRollover('navi_mee');
smartRollover('jirei_l');
smartRollover('jirei2_l');
smartRollover('mail_bt_img');
smartRollover('t_navi1');
smartRollover('t_navi2');
smartRollover('t_navi3');
smartRollover('t_navi4');

}

function smartRollover(idName) {
	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);
}