function dropdown(evt,submenu,objeto){
var e = (window.event) ? window.event : evt; 
if (document.getElementById(submenu).style.visibility=="hidden"){
cellpadding=3;
cellborder=1;

if (e.offsetX) { // para IE
	eloffsetX = e.offsetX;
	document.getElementById(submenu).style.left=e.clientX-eloffsetX+document.getElementById(objeto).offsetWidth-(cellborder+1)+0; //
} else { // para Firefox
	eloffsetX = (document.all) ? e.offsetX : e.clientX;
	eloffsetX = eloffsetX-((innerWidth-4)/2)+340;
	document.getElementById(submenu).style.left=e.clientX-eloffsetX+document.getElementById(objeto).offsetWidth-(cellborder+1)+2; //	
}

if (e.offsetY) { // para IE
	eloffsetY = e.offsetY;
	document.getElementById(submenu).style.top=e.clientY-eloffsetY-(cellpadding+cellborder+9-document.body.scrollTop);
	eval(submenu).filters.revealTrans.apply();
	document.getElementById(submenu).style.visibility="visible";
	eval(submenu).filters.revealTrans.play();
} else { // para Firefox
	document.getElementById(submenu).style.top=e.clientY-(cellpadding+cellborder+20);
	document.getElementById(submenu).style.visibility="visible";
}

} else {
document.getElementById(submenu).style.visibility="hidden";
}
}

function dropdown_h(submenu,objeto){
var e = (window.event) ? window.event : objeto;
if (document.getElementById(submenu).style.visibility=="hidden"){
cellpadding=3;
cellborder=2;
document.getElementById(submenu).style.left=e.clientX-e.offsetX-(cellborder+17);
document.getElementById(submenu).style.top=e.clientY-e.offsetY+document.getElementById(objeto).offsetHeight-(cellpadding+cellborder-2);
//document.getElementById(submenu).filters.revealTrans.apply();
document.getElementById(submenu).style.visibility="visible";
//document.getElementById(submenu).filters.revealTrans.play();
}
else{
document.getElementById(submenu).style.visibility="hidden";
}
}

function dropup(submenu){
if (document.getElementById(submenu).style.visibility=="visible"){
document.getElementById(submenu).style.visibility="hidden";
}
}

function cellon(objeto){
eval(objeto).style.backgroundColor='#FFFFFF';
}

function celloff(objeto){
eval(objeto).style.backgroundColor='';
}