function mostra(menu){
		document.getElementById("menu_1").style.visibility="hidden";
		document.getElementById("menu_1").style.display="none";
		document.getElementById("menu_2").style.visibility="hidden";
		document.getElementById("menu_2").style.display="none";
		document.getElementById("menu_3").style.visibility="hidden";
		document.getElementById("menu_3").style.display="none";
		document.getElementById("menu_4").style.visibility="hidden";
		document.getElementById("menu_4").style.display="none";
		document.getElementById("menu_5").style.visibility="hidden";
		document.getElementById("menu_5").style.display="none";
		document.getElementById(menu).style.visibility="visible";
		document.getElementById(menu).style.display="block";
}
//--------------------------------------------------------------------------------------------//
function nao_mostra(){
	document.getElementById("menu_1").style.visibility="hidden";
	document.getElementById("menu_2").style.visibility="hidden";
	document.getElementById("menu_3").style.visibility="hidden";
	document.getElementById("menu_4").style.visibility="hidden";
	document.getElementById("menu_5").style.visibility="hidden";
}
//--------------------------------------------------------------------------------------------//
function clima(){
	document.getElementById("clima_tempo").style.visibility="visible";
	document.getElementById("clima_tempo").style.display="block";
}
//--------------------------------------------------------------------------------------------//
function no_clima(){
	document.getElementById("clima_tempo").style.visibility="hidden";
	document.getElementById("clima_tempo").style.display="none";
}
//--------------------------------------------------------------------------------------------//
function muda_foto(img, titulo, desc){
	document.getElementById('foto').src = img;
}
//--------------------------------------------------------------------------------------------//
function CrossEvent(evt) {
	evt = evt?evt:(window.event?window.event:null);
	if(evt) {
		this.originalEvent = evt;
		this.type = evt.type;
		//--posição do mouse
		//this.screenX = evt.screenX;
		//this.screenY = evt.screenY;
		// IE: srcElement
		this.target = evt.target?evt.target:evt.srcElement;
		// N4: modifiers
		if (evt.modifiers) {
			this.altKey   = evt.modifiers & Event.ALT_MASK;
			this.ctrlKey  = evt.modifiers & Event.CONTROL_MASK;
			this.shiftKey = evt.modifiers & Event.SHIFT_MASK;
			this.metaKey  = evt.modifiers & Event.META_MASK;
		}
		else {
			this.altKey   = evt.altKey;
			this.ctrlKey  = evt.ctrlKey;
			this.shiftKey = evt.shiftKey;
			this.metaKey  = evt.metaKey;
		}
		// N4: which // N6+: charCode
		this.charCode = !isNaN(evt.charCode)?evt.charCode:!isNaN(evt.keyCode)?evt.keyCode:evt.which;
		this.keyCode = !isNaN(evt.keyCode)?evt.keyCode: evt.which;
		this.button = !isNaN(evt.button)?evt.button:!isNaN(evt.which)?evt.which-1:null;
		this.debug = "c:" + evt.charCode + " k:" + evt.keyCode + " b:" + evt.button + " w:" + evt.which;
	}
}
//--funções de validação
function validacao_numeros(objEvent,tipo) {
	var evt = new CrossEvent(objEvent);
	var teclaKey = evt.keyCode;
	var teclaChar = evt.charCode;
	//--CHAR CODE
	//--47 à 58 - números de 0 à 9
	//--44 - vírgula
	//--46 - ponto
	//--KEY CODE
	//--8 - backspace
	//--9 - tab
	//--37 - setinha: esquerda
	//--39 - setinha: direita
	//--46 - delete
	//alert(evt.debug)
	//--------------------------------------
	if(tipo=='inteiro'&&((teclaChar>47&&teclaChar<58)||teclaKey==8||teclaKey==9||teclaKey==37||teclaKey==39||teclaKey==46))
		return true;
	else if(tipo=='decimal'&&((teclaChar>47&&teclaChar<58)||teclaKey==8||teclaKey==9||teclaKey==37||teclaKey==39||teclaKey==46||teclaChar==44))
		return true;
	else if(tipo=='ponto'&&((teclaChar>47&&teclaChar<58)||teclaKey==8||teclaKey==9||teclaKey==37||teclaKey==39||teclaKey==46||teclaChar==46))
		return true;
	else
		return false;
}
//--------------------------------------------------------------------------------------------//
/*pula campo*/
var nextFocus = true;
var frm = null;
var compIndex = -1;
//--------------------------
function getForm( comp ){
	for ( i = 0; i < document.forms.length; i++ ){
		for ( i2 = 0; i2 < document.forms[i].elements.length; i2++ ){
			if ( comp.name == document.forms[i].elements[i2].name ){
				frm = document.forms[i];
				compIndex = i2;
				return;
			}
		}
	}
}
//--------------------------
function gotoNextFocus( source, maxLength ){
	getForm( source );
	if (( !nextFocus ) || ( frm == null ) || ( compIndex == -1 ) ){
		return;
	}
	var ix = compIndex + 1;
	var size = source.value.length;
	var canFocus = false;
	while ( !canFocus ) {
		if ( ( frm.elements[ix].type == "hidden" ) && ( ix < frm.elements.length )){
			ix++;
		}
		else {
			canFocus = true;
		}
	}
	if ( (canFocus) && ( size == maxLength ) ){
	frm.elements[ix].focus();
	}
}
//--------------------------
function offNextFocus(){
	nextFocus = false;
}
//--------------------------
function onNextFocus(){
	nextFocus = true;
}

//--------------------------------------------------------------------------------------------//
function muda_idioma(id){
	var img = document.getElementById(id);
	img.setAttribute('src',id+'2');
}