/************** LIMITA TEXTAREA *********************/
	function limitaTextarea(txarea,limite)
	{
		total = limite;
		tam = txarea.value.length;
		str="";
		str=str+tam;
		
		Digitado.innerHTML = str;
		Restante.innerHTML = total - str;
	
		if (tam > total){
			
		aux = txarea.value;
		txarea.value = aux.substring(0,total);
		Digitado.innerHTML = total
		Restante.innerHTML = 0
						}
	
	}
/************** LIMITA TEXTAREA *********************/
/************** POPUP *********************/
function popup(endereco,nome_janela,larg,alt)
{
     winleft = (screen.width-larg)/2;
     wintop  = (screen.height-alt)/2;
     showing = window.open(endereco,nome_janela,'width='+ larg +',height='+ alt +',resizable=no,scrollbars=no');
     showing.window.moveTo(winleft,wintop);
     showing.focus();
}
/************** POPUP *********************/
/*********************** FERRAMENTAS ********************************/
function DoPrinting()
{
	if (!window.print)
	{
		alert("Use o Netscape  ou Internet Explorer \n nas versões 4.0 ou superior!")
		return
	}
	window.print()
}
function DoAddBookmark(title,url) 
{
	if (window.sidebar)
	{
		window.sidebar.addPanel(title, url,"");
	}
	else if( document.all )
	{
		window.external.AddFavorite( url, title);
	}
	else
	{
		return true;
	}
}
/*********************** FERRAMENTAS ********************************/
function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


/************** EMAIL *********************/
function isEmail(s) {
    var sLength = s.length;
    var denied_chars = new Array(" ", "\n", "\t", "\r", "%", "$", "#", "!", "~", "`", "^", "&", "*", "(", ")", "=", "+", "{", "}", "[", "]", ",", ";", ":", "'", "\"", "?", "<", ">", "/", "\\", "|");
    if (s.indexOf("@") == -1) return false;
    if (s.indexOf("@") != s.lastIndexOf("@")) return false;
    for (var z = 0; z < denied_chars.length; z++) {
        if (s.indexOf(denied_chars[z]) != -1) return false;
    }
    if (s.indexOf(".") == -1) return false;
    if (s.indexOf("..") != -1) return false;
    if ((s.charAt(sLength-1) == ".") || (s.charAt(sLength-1) == "_")) return false;
    return true;
}
/************** EMAIL *********************/

function escondeBotao(qual)
{
  document.getElementById(qual).style.visibility = "hidden";
}
function mostraTexto(qual)
{
  document.getElementById(qual).style.visibility = "visible";
}

/************** SONUMEROS *********************/

function numbersonly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
	key = window.event.keyCode;
	else if (e)
	key = e.which;
	else
	return true;
	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) ||
	(key==9) || (key==13) || (key==27) )
	return true;

	// numbers
	else if ((("0123456789").indexOf(keychar) > -1))
	return true;

	// decimal point jump
	else if (dec && (keychar == "."))
	{
		myfield.form.elements[dec].focus();
		return false;
	}
	else
	return false;
}

function validate(campo){
		var digits="0123456789"
		var temp
		for (var i=0;i< campo.length;i++)
		{
			temp=campo.substring(i,i+1)
			if (digits.indexOf(temp)==-1)
			{
				return false
			}
		}
return true
}
/************** SONUMEROS *********************/