var nitems = 7;

function getNNivel(nivel){
    var res = 0;
    var z = arrayMenu.length;
    var encontrado = false;
    for (var i = 0;i<z;i=i+nitems){
	if (arrayMenu[i+4]==nivel){
	    res++;
	    encontrado = true;
	}else if (encontrado){
	    break;
	}
    }
    return res;
}
function getPosMenu(id,pos){
    var res;
    var z = arrayMenu.length;
    if (id!=""){
	for (var i = 0;i<z;i=i+nitems){
	    if (arrayMenu[i]==id){
		res = arrayMenu[i+pos];
		break;
	    }
	}
    }
    return res;
}
function getPadreBase(id){
    var res = id;
    var id_ant = id;
    var z = arrayMenu.length;
    if (id!=""){
	while (id!="0"){
	    for (var i = 0;i<z;i=i+nitems){
		if (arrayMenu[i]==id){
		    res = arrayMenu[i];
		    id = arrayMenu[i+3];
		    break;
		}
	    }
	    if (id==id_ant) break;
	}
    }
    return res;
}
function esHijoDe(padre,hijo){
    var aHijo = getFamilia(hijo);
    return estaEn(padre,aHijo);
}
function getFamilia(id){
    var res = [];
    var id_ant = id;
    var j = 0;
    var z = arrayMenu.length;
    if (id!=""){
	while (id!="0"){
	    for (var i = 0;i<z;i=i+nitems){
		if (arrayMenu[i]==id){
		    res[j] = arrayMenu[i];
		    j++;
		    id = arrayMenu[i+3];
		    break;
		}
	    }
	    if (id==id_ant) break;
	}
    }
    return res;
}
function getSubArrayMenu(id){
    var tmp = [];
    var padres = [id];
    var encontrado = false;
    var nivel = 1000;
    var z = arrayMenu.length;
    var x = 0;
    for (var i = 0;i<z;i=i+nitems){
	if (arrayMenu[i]==id){
	    encontrado = true;
	    nivel = parseInt(arrayMenu[i+4])+1;
	}
	if (parseInt(arrayMenu[i+4])>=nivel && estaEn(arrayMenu[i+3],padres)){
	    for (var j = 0;j<nitems;j++){
		if (j==4) tmp[x+j] = parseInt(arrayMenu[i+j])-1;
		else tmp[x+j] = arrayMenu[i+j];
	    }
	    x = x + nitems;
	    padres[padres.length] = arrayMenu[i];
	}
    }
    return tmp;
}
function estaEn(valor,array){
    if (array.length>0){
	for (var i = 0;i<array.length;i++){
	    if (array[i]==valor){
		return true;
	    }
	}
    }
    return false;
}
function getHijos(id){
    var z = arrayMenu.length;
    var cont = 0;
    for (var i = 0;i<z;i=i+nitems){
	if (arrayMenu[i+3]==id){
	    cont++;
	}
    }
    return cont;
}
function tieneHijos(init,id){
    var z = arrayMenu.length;
    for (var i = init;i<z;i=i+nitems){
	if (arrayMenu[i+3]==id){
	    return true;
	}
    }
    return false;
}