// É possivel a entrada apenas de números
function ValidaNumero( valor ) {
  expressao = /[\D]/g;
  return valor.replace( expressao,'' );
}

// Pula para o campo desejado
function PulaCampo( campo1,campo2 ) {
if ( campo1.value.length == campo1.maxLength ) 
		VaiParaCampo( campo2 );
 }

// Seta foco no elemento e limpa seu contéudo
function VaiParaCampo( campo ) 	{
		eval( campo ).focus();
		eval( campo ).value = '';
	}


// ***************FUNÇÕES MENU****************//
//rollover function
	function roll(sec,num,state,layer)
{
if (layer=="") eval("document.images['"+ sec + num + "'].src =" + sec + num + state + ".src;");
else 
 {
  if (document.all) eval("document.images['"+ sec + num + "'].src =" + sec + num + state + ".src;");
  if (document.layers)  eval("document.layers."+layer+".document.images['" + sec + num + "'].src = " + sec + num + state + ".src;");
  if (!document.all && document.getElementById) eval("document.getElementById('" + sec + num + "').src = " + sec + num + state + ".src;");
 }
}

//set up layer call
var isIE, isNS, isNS6, isDOM, lR, sR, vis, invis, myTimeOut, goName;
	if (document.all) {isIE= true;lR="document.all.";sR=".style";vis="visible";invis="hidden";}
	if (document.layers){isNS = true;lR="document.layers.";sR="";vis="show";invis="hide";}
	if (document.getElementById &&!isIE) {isDOM=true;lR = "document.getElementById('";sR = "').style";invis ="hidden";vis = "visible"}
	if (isDOM == true && navigator.appName =="Netscape") isNS6 = true;
	

var x=1;
var layerTimer;
function val_oldwhich(val)
{
 oldwhich=val;
}
	
//turn on layer and rollover
	function layOver(which)
	{
	x=0;
	l = eval(lR + "l" + which + sR);
	eval("roll('n',"+which+",'On','lN')")
	if (oldwhich != which)
	{
		ol = eval(lR + "l" + oldwhich + sR);
		eval("roll('n',"+oldwhich+",'Off','lN')")
		ol.visibility = invis;
	}
	l.visibility = vis;
	oldwhich = which;
	clearTimeout(layerTimer);
	return;
	}
	
//turn off layer and rollover if user is completely off nav 
	function stopOver()
	{
		if (x<5) x++;
		else
		{
		ol = eval(lR + "l" + oldwhich + sR);
		ol.visibility = invis;
		eval("roll('n',"+oldwhich+",'Off','lN')")
		x=0;
		}
	layerTimer = setTimeout("stopOver()",50)
	}
	
//reset the timer
	function startOver()
	{
	x=0
	clearTimeout(layerTimer);
	}
	
//change subnav background color (ie5+ ns6+)
	function changebg(item, color)
{
	if (document.getElementById)
	{
	theone = eval("document.getElementById('"+item+"')")
	theone.style.background = color
	}	

}
// *************** FIM FUNÇÕES MENU****************//
//ABRE JANELA
function abrir(url){
  window.open(url,'Login','scrollbars=no,resizable=no,height=300,width=400,left=200,top=100');
}
//FIM ABRE JANELA

// ***************FUNÇÕES DE BUSCA****************//

//Preload search icon
var search_icon_off = new Image(); 
search_icon_off.src = "../Imagens/site_search_icon_off.gif";

//Check the form before submitting
function CheckForm () {

	//Check for a word to search
	if (document.frmSiteSearch.search.value==""){
		alert("Entre com pelo menos uma palavra");
		document.frmSiteSearch.search.focus();
		return false;
	}
	
	return true
}
// ***************FIM FUNÇÕES DE BUSCA****************//

function MM_nbGroup(event, grpName) { //v3.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    if ((nbArr = document[grpName]) != null)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = args[i+1];
      nbArr[nbArr.length] = img;
  } }
}

//seleciona uma imagem ao carregar o site
function randimages(num)
{

 hoje = new Date()
 numero_b = num
 segundos = hoje.getSeconds()

 numero = segundos % numero_b

 imagem  = "../Imagens/random/image"+numero+".jpg"

 document.write('<img src="'+imagem+'" border=0>');
  
}