function sfHover() {
    var sfEls = document.getElementById("menu_bar_nav").getElementsByTagName("LI");
    for ( var i = 0; i < sfEls.length; i++ ) {

        // Must special-case the first element in the list to fix an IE bug !!
        if (sfEls[i] == document.getElementById("item_a")) {
            sfEls[i].onmouseover = function () {
                this.className += " sfhover";
                document.getElementById("qs-animal").style.visibility = "hidden";
            }
            sfEls[i].onmouseout = function () {
                this.className = this.className.replace( "sfhover", "" );
                document.getElementById("qs-animal").style.visibility = "visible";
            }
        }
        else if ((sfEls[i] == document.getElementById("item_c")) 
            && (document.getElementsByName("classifiedSearch") != null)
            && (document.getElementById("state") != null)
            && (document.getElementById("order") != null)) {
            sfEls[i].onmouseover = function () {
                this.className += " sfhover";
                document.getElementById("state").style.visibility = "hidden";
                document.getElementById("order").style.visibility = "hidden";
            }
            sfEls[i].onmouseout = function () {
                this.className = this.className.replace( "sfhover", "" );
                document.getElementById("state").style.visibility = "visible";
                document.getElementById("order").style.visibility = "visible";
            }
        } 
        else {
            sfEls[i].onmouseover = function () {
                this.className += " sfhover";
            }
            sfEls[i].onmouseout = function () {
                this.className = this.className.replace( "sfhover", "" );
            }
        }
    }
}

if ( document.all && ! window.opera ) {
    document.write(
        '<script type="text/javascript" id="suckerfishLoader" ' +
        'defer="defer" src="javascript:void(0)"><\/script>'
    );
    var contentLoader = document.getElementById("suckerfishLoader");
    contentLoader.onreadystatechange = function () {
        if ( this.readyState == "complete" ) sfHover();
    }
}