swapLang = function() {
    var bt_swap_lang = document.getElementById("bt_swap_lang");
    var list_langs = document.getElementById("list_langs");

    /*bt_swap_lang.onfocus = function() {
        if (list_langs.className == "") {
            list_langs.className = "active";
        }
        return false;
    }
    bt_swap_lang.onblur = function() {
        if (list_langs.className == "active") {
            list_langs.className = "";
        }
        return false;
    }*/
    bt_swap_lang.onclick = function() {
        if (list_langs.className == "") {
            list_langs.className = "active";
        } else {
            list_langs.className = "";
        }
        return false;
    }
}
/*this.className=this.className.replace(" over", "");*/
function addEvent( obj, type, fn )
{
	if (obj.addEventListener)
		obj.addEventListener( type, fn, false );
	else if (obj.attachEvent)
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}

addEvent(window, 'load', swapLang);