// JavaScript Document
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."))   
            {   
                var imgObject = new Image();//先読み用
				imgObject.src = (images[i].getAttribute("src").replace("_off.", "_on."));//先読み用
				
				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);   
}


// submenu 表示の時
var consulB = document.getElementById('consul-btn');
var simulatorB = document.getElementById('simulator-btn');
var corporateB = document.getElementById('corporate-btn');
function rollover(imgObj, imgURL){
	imgObj.src = imgURL;
	}