nn = (document.layers)? true : false;

ie = (document.all)? true : false;

function SayHello() {
   alert('hello!');
}

function hideLeer(which) {

        if(!nn)

        {

                if (document.getElementById && document.getElementById(which) && document.getElementById(which).style)

                document.getElementById(which).style.visibility="hidden";

        }else{

                document.layers[which].visibility = "hide";

        }



}

function showLeer(which) {

        if(!nn)

        {

                  if (document.getElementById && document.getElementById(which) && document.getElementById(which).style)

                document.getElementById(which).style.visibility="visible";

        }else{

                document.layers[which].visibility = "show";

        }

}



var closemenu;

var whichB='menu1';

var name1B='none';

var name2B='none';



function place(name1,name2) {

        if (document.images) name1.src = name2.src;

}

function menuover(which){

        clearTimeout(closemenu);

        out();

        showLeer(which);

}



function menuout(which){

        whichB=which;



        closemenu = setTimeout(out, 900);

}



function out(){

        hideLeer(whichB);

        place(name1B,name2B);

}







function sbon(){

clearTimeout(closemenu);

}



function sbout(){

closemenu = setTimeout(out, 900);

}