function switchSubmenu(object) {
	if(object.getElementsByTagName('ul').length > 0){
		fUl = object.getElementsByTagName('ul')[0];
		if (fUl.style['visibility'] != 'visible'){
			fUl.style['visibility'] = 'visible'
		}
        else {
			fUl.style['visibility'] = 'hidden'
		}
	}
}

ieHover_horizontal = function() {
    if (document.getElementById('horizontal')+'' =='null') { return };
    
    var navItems = document.getElementById('horizontal').getElementsByTagName("li");
    for (var i=0; i<navItems.length; i++) {
        if(navItems[i].className == "parent") {
            navItems[i].onmouseover=function() { this.className += " over"; }
            navItems[i].onmouseout=function() { this.className = "parent"; }
        }
    }
}

if (window.attachEvent) window.attachEvent('onload', ieHover_horizontal);