var tID;
var TablesIE;
var ie = false;


function apagatodos(){

var TablesIE= document.all ?
    document.all.tags('TABLE') :
    document.getElementsByTagName ? 
    document.getElementsByTagName('TABLE') : new Array();

for (var i = 0 ;i < TablesIE.length ; i++)
	if (TablesIE[i].id.substring(0, 8) == 'tablesec')	
			TablesIE[i].style.display = 'none';

}

function mostramenu2(op){

var TablesIE= document.all ?
    document.all.tags('TABLE') :
    document.getElementsByTagName ? 
    document.getElementsByTagName('TABLE') : new Array();

for (var i = 0 ;i < TablesIE.length ; i++)
	if (TablesIE[i].id.substring(0, 8) == 'tablesec')	
			TablesIE[i].style.display = 'none';



for (var f = 0 ;f < TablesIE.length ; f++)
	if (TablesIE[f].id == 'tablesec' + op)
			TablesIE[f].style.display= 'block';
}


function mostramenu(op){
	if (ie){
		apagamenu(op);
		TablesIE[op -  1].style.visibility = 'visible';
	}
	else{
		apagamenu(op);
		//document.all['tablesec' + op].style.visibility = "show";
		window['tablesec' + op].style.visibility = "visible"
	}
}

function apagamenu(op){
	if (ie){
		for (var i = 0; i < TablesIE.length ; i++)
			TablesIE[i].style.visibility = 'hidden';
	}
	else{
		for (var i = 1; i <= document.all.length ; i++){
			//para garantir que apenas os layers com nome 'tablesec...' é que são apagados
			if (document.all.item[i].name.substring(0, 8) == 'tablesec')
				window['tablesec' + op].style.visibility = "hidden";
		}
	}
}

function initmenu(){
	if (document.all){
		ie = true;
		TablesIE = document.all.item('tablesec');	//cria array com todas as layers 'tablesec' do menu (IE)
	}
}