function hideall() {
hidelayer('menu1');
hidelayer('menu2');

}



// functions for controlling top menu mouseovers
function showMenu1(){
	hideall();
}

function showMenu2(){
	hideall();
	showlayer('menu1');
}

function showMenu3(){
	hideall();
	showlayer('menu2');
}

function showMenu4(){
	hideall();

}