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."));
                }
            }
        }

        var images = document.getElementsByTagName("input");

        for(var i=0; i < images.length; i++) {

            if(images[i].getAttribute("src") != null){

                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);
}


//backToTop
function backToTop() {
    var x1 = x2 = x3 = 0;
    var y1 = y2 = y3 = 0;

    if (document.documentElement) {
        x1 = document.documentElement.scrollLeft || 0;
        y1 = document.documentElement.scrollTop || 0;
    }

    if (document.body) {
        x2 = document.body.scrollLeft || 0;
        y2 = document.body.scrollTop || 0;
    }

    x3 = window.scrollX || 0;
    y3 = window.scrollY || 0;

    var x = Math.max(x1, Math.max(x2, x3));
    var y = Math.max(y1, Math.max(y2, y3));

    window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));

    if (x > 0 || y > 0) {
        window.setTimeout("backToTop()", 25);
    }
}

//MouserOverScript
function changeImg(obj, path) {
    obj.src = path;
}