/*  Attive - Soluções Web
	www.attiveweb.com.br
	attive@attiveweb.com.br

*/


function mostradiv(divz){

sumir = document.menu_var.div_some.value;
if(sumir!=""){
	document.getElementById(sumir).style.display = 'none';
}
document.getElementById(divz).style.display = 'block';
document.menu_var.div_some.value = divz;

}

var state = 'hidden';

function mostra_sub(layer_ref) {

	if (state == 'visible') {
		state = 'hidden';
	}
	else {
		state = 'visible';
	}
	if (document.all) {
		eval( "document.all." + layer_ref + ".style.visibility = state");
	}
	if (document.layers) {
		document.layers[layer_ref].visibility = state;
	}
	if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);
		hza.style.visibility = state;
	}
}