var btnsMarcados;
/**
*	para manejar el menu, mostrar items y subitems
*@param	_dmenu	item
*@param	_dsmenu	subitems del item
*/
function show(_dmenu, _dsmenu,  _dssmenu) {

	var dmenu = document.getElementById( _dmenu );
	var dsmenu = document.getElementById( _dsmenu );
	var auxIt; 
	var auxSit;
	var auxSsit;
	btnsMarcados = new Array ();
	
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('item_'+i)){document.getElementById('item_'+i).style.color ='#003366';}
		if (document.getElementById('sitem_'+i)){document.getElementById('sitem_'+i).style.color ='#003366';}
		if(document.getElementById('ssitem_'+i)){document.getElementById('ssitem_'+i).style.color ='#003366';}
		if (document.getElementById('menu_' + i)){document.getElementById('menu_' + i).style.background = "none";}
		if (document.getElementById('smenu_'+i)){document.getElementById('smenu_'+i).style.display='none';}
		if (document.getElementById('ssmenu_'+i)){document.getElementById('ssmenu_'+i).style.display='none';}
	}

	if (_dmenu ){
		auxIt = _dmenu.substring (_dmenu.indexOf ("_"));
		if (document.getElementById('menu' + auxIt)) document.getElementById('menu' + auxIt).style.background = "url('imas/menu_desp.gif') no-repeat";
		document.getElementById('item' + auxIt).style.color = "#d41b00";
		btnsMarcados [0] = document.getElementById('item' + auxIt);
		if (_dsmenu) {
			auxSit = _dsmenu.substring (_dsmenu.indexOf ("_"));
			document.getElementById('sitem' + auxSit).style.color = "#d41b00";
			btnsMarcados [1] = document.getElementById('sitem' + auxSit)
			if ( _dssmenu ){
				auxSsIt = _dssmenu.substring (_dssmenu.indexOf ("_"));
				document.getElementById('ssitem'  + auxSsIt  ).style.color = "#d41b00";
				btnsMarcados [2] =  document.getElementById ('ssitem' +  auxSsIt);
			}
		}
	}
	
	if (dmenu) {
		dmenu.style.display='block';
		if (dsmenu){
			dsmenu.style.display='block';
		}
	}
	return true;
}


function changeColor (obj, color) {
	var aux;
	switch (true){
		case (obj.id).indexOf ("ssitem") != -1 :
			aux = btnsMarcados [2];
		break;
		case (obj.id).indexOf ("sitem") != -1:
			aux =  btnsMarcados [1];
		break;
		case (obj.id).indexOf ("item") != -1:
			aux = btnsMarcados [0];
		break;
	}
	
	if (obj != aux || !aux) obj.style.color = color ?  "#d41b00" : '#003366';
}