var tout;
var layer_offset=0;
//var layers_array= new Array('Business','Law','Viewpoint','Search','Share','advert','Exhibits','Listings','What','Movies','Regional','National','pppg','phone1');
var layers_array= new Array('Regional','National','phone1','programs');
var tab_widocznosc_elementow=new Array();
function pokaz(ll){
	tab_widocznosc_elementow[ll]=true;
	clearTimeout(tout);
	if(document.layers)
        eval('document.layers["'+ll+'"].visibility="show";');
    else if(document.all)
        eval('document.all.'+ll+'.style.visibility="visible";');
    else if(!document.all && document.getElementById)
        eval('document.getElementById("'+ll+'").style.visibility="visible";');
}

function kasuj_z_opoznieniem(ll){
	tab_widocznosc_elementow[ll]=false;
	tout=setTimeout("hide('"+ll+"',false)",500);
}
function kasuj_wszystko_z_opoznieniem(){
	var ll_array=layers_array;
	var myLength=ll_array.length;
	for(myIndex = 0; myIndex < myLength; myIndex++){
		kasuj_z_opoznieniem(ll_array[myIndex]);
	}
	kasuj_z_opoznieniem('main_menu');
}

function hide(ll,czy_sprawdzac){
	if(czy_sprawdzac || tab_widocznosc_elementow[ll]==false){
	if(document.layers)
        eval('document.layers["'+ll+'"].visibility="hidden";');
    else if(document.all)
        eval('document.all.'+ll+'.style.visibility="hidden";');
    else if(!document.all && document.getElementById)
        eval('document.getElementById("'+ll+'").style.visibility="hidden";');
	}
}

function kasuj_podmenu_wszystkie(){
	var ll_array=layers_array;
	var myLength=ll_array.length;
	for(myIndex = 0; myIndex < myLength; myIndex++){
		hide(ll_array[myIndex],true);
	}
}

function pokaz_podmenu(element){
	pokaz(element);
	pokaz('main_menu');
}


function y_offset(y){
	var ll_array=layers_array;
	var myLength=ll_array.length;
	for(myIndex = 0; myIndex < myLength; myIndex++){
		ll=ll_array[myIndex];
		if(document.layers)
			eval('el=document.layers["'+ll+'"];');
		else if(document.all)
			eval('el=document.all.'+ll+';');
		else if(!document.all && document.getElementById)
			eval('el=document.getElementById("'+ll+'");');
		el.style.top = parseInt(el.style.top) + parseInt(y);
	}
}