// Utilizado para escrever em Tag's 
// lf_Texto('SelectUltimos','Primeira Busca');
function lf_Texto(objName,newText) 
{ 
    if ((obj=lf_Objeto(objName))!=null) with (obj)
    innerHTML = unescape(newText);
}

// Utilizado para Capturar Objeto
// Sempre de apoio a outras funções
function lf_Objeto(n, d) 
{   
    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 && document.getElementById) x=document.getElementById(n); return x;
}
// returns a named value from the querystring
function QueryString(name)   
{
   var tmp = ( location.search.substring(1) );
   var i   = tmp.toUpperCase().indexOf(name.toUpperCase()+"=");

   if ( i >= 0 )
   {
      tmp = tmp.substring( name.length+i+1 );
      i = tmp.indexOf("&");
      return unescape( tmp = tmp.substring( 0, (i>=0) ? i : tmp.length ));
   }
   return("");
}
// Verifica se é numero Inteiro
// x = 25; y =25.9
// Ex.: isInteger(x) = true / isInteger(y) = false
function isInteger(str)
{
 var len= str.length;
  if (len==0) return false;

  var p=0;
  var ok= true;
  var ch= "";
  while (ok && p<len)
  {
    ch= str.charAt(p);
    if ('0'<=ch && ch<='9') p++;
    else ok= false;
  }
  return ok;
}
// Verifica se é Numero
// x = 25; y =25.9
// Ex.: isNumeric(x) = true / isNumeric(y) = true
function isNumeric(str)
{
 var len= str.length;
  if (len==0) return false;

  var p=0;
  var ok= true;
  var ch= "";
  while (ok && p<len)
  {
    ch= str.charAt(p);
    if ('0'<=ch && ch<='9' || ch==".") p++;
    else ok= false;
  }
  return ok;
}
// Função Replace
// 
function replace(string,text,by) {
    var i = string.indexOf(text), newstr = '';
    if ((!i) || (i == -1))
        return string;
    newstr += string.substring(0,i) + by;
    if (i+text.length < string.length)
        newstr += replace(string.substring(i+text.length,string.length),text,by);
    return newstr;
}
// Auto Tabulacao entre Campos 
// Ex.: onkeyup="autoTab(this, 5, event)"
function autoTab(input,len, e) {
var isNN = (navigator.appName.indexOf("Netscape")!=-1);	
var keyCode = (isNN) ? e.which : e.keyCode; 
var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
			
	if(input.value.length >= len && !containsElement(filter,keyCode)) {
		input.value = input.value.slice(0, len);
		input.form[(getIndex(input)+1) % input.form.length].focus();
	}
		
	function containsElement(arr, ele) {
		var found = false, index = 0;
		while(!found && index < arr.length)
		if(arr[index] == ele)
		found = true;
		else
		index++;
		return found;
	}
		
	function getIndex(input) {
		var index = -1, i = 0, found = false;
		while (i < input.form.length && index == -1)
		if (input.form[i] == input)index = i;
		else i++;
		return index;
	}
	return true;
}
//-- Pegar Tamanho da Página
function getDocHeight(doc) {
	var docHt = 0, sh, oh;
	if (doc.height) docHt = doc.height;
	else if (doc.body) {
		if (doc.body.scrollHeight) docHt = sh = doc.body.scrollHeight;
		if (doc.body.offsetHeight) docHt = oh = doc.body.offsetHeight;
		if (sh && oh) docHt = Math.max(sh, oh);
	}
	return docHt;
}

//-- Seta o tamanho do IFRAME
function setIframeHeight(iframeName,intTam) {
var docHt;
var iframeWin = window.frames[iframeName];
var iframeEl = document.getElementById? document.getElementById(iframeName): document.all? document.all[iframeName]: null;
	if ( iframeEl && iframeWin ) {
		iframeEl.style.height = "auto"; 
		if (intTam == -1){
			docHt = getDocHeight(iframeWin.document);
		}
		else
			docHt = intTam;
		if (docHt) iframeEl.style.height = docHt;
	}
}	

function findPosition( oLink ) {
	if( oLink.offsetParent ) {
		for( var posX = 0, posY = 0; oLink.offsetParent; oLink = oLink.offsetParent ) {
		posX += oLink.offsetLeft;
		posY += oLink.offsetTop;
		}
		return posY;
	} else {
		return oLink.y;
	}
}
// Show | Hide layers
// MM_showHideLayers('carregando','','show'); -- > 1 param objeto / 3 param show ou hide
function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=lf_Objeto(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{	while (obj.offsetParent)
		{	curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x) curleft += obj.x;
	return curleft;
}
function findPosY(obj)
{   var curtop = 0;
	if (obj.offsetParent)
	{ while (obj.offsetParent)
		{	curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y) curtop += obj.y;
	return curtop;
}
function URLDecode(strEncoded)
{
   // Replace + with ' '
   // Replace %xx with equivalent character
   // Put [ERROR] in output if %xx is invalid.
   var HEXCHARS = "0123456789ABCDEFabcdef"; 
   var encoded = strEncoded;
   var plaintext = "";
   var i = 0;
   while (i < encoded.length) {
       var ch = encoded.charAt(i);
	   if (ch == "+") {
	       plaintext += " ";
		   i++;
	   } else if (ch == "%") {
			if (i < (encoded.length-2) 
					&& HEXCHARS.indexOf(encoded.charAt(i+1)) != -1 
					&& HEXCHARS.indexOf(encoded.charAt(i+2)) != -1 ) {
				plaintext += unescape( encoded.substr(i,3) );
				i += 3;
			} else {
				alert( 'Bad escape combination near ...' + encoded.substr(i) );
				plaintext += "%[ERROR]";
				i++;
			}
		} else {
		   plaintext += ch;
		   i++;
		}
	} // while
   return plaintext;
};
function URLEncode(strEncoded)
{
	// The Javascript escape and unescape functions do not correspond
	// with what browsers actually do...
	var SAFECHARS = "0123456789" +					// Numeric
					"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
					"abcdefghijklmnopqrstuvwxyz" +
					"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";

	var plaintext = strEncoded;
	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
	    if (ch == " ") {
		    encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
		    encoded += ch;
		} else {
		    var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
			    alert( "Unicode Character '" 
                        + ch 
                        + "' cannot be encoded using standard URL encoding.\n" +
				          "(URL encoding only supports 8-bit characters.)\n" +
						  "A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // for
	return encoded;
};
