function currencyFormat(fld, milSep, decSep, e) 
{
	var sep = 0;
	var key = '';
	var i = j = 0;
	var len = len2 = 0;
	var strCheck = '0123456789';
	var aux = aux2 = '';
	
	var whichCode = (window.event) ? event.keyCode : e.which;

	if (whichCode == 13) return true;  // Enter
	if (whichCode == 8) return true;  // Delete
	if (whichCode == 0) return true;  // bug firefox
	key = String.fromCharCode(whichCode);  // Get key value from key code
	if (strCheck.indexOf(key) == -1) return false;  // Not a valid key
	len = fld.value.length;
	if (len > fld.getAttribute('maxlength')) return false;
	for(i = 0; i < len; i++)
	if ((fld.value.charAt(i) != '0') && (fld.value.charAt(i) != decSep)) break;
	aux = '';
	for(; i < len; i++)
	if (strCheck.indexOf(fld.value.charAt(i))!=-1) aux += fld.value.charAt(i);
	aux += key;
	len = aux.length;
	if (len == 0) fld.value = '';
	if (len == 1) fld.value = '0'+ decSep + '0' + aux;
	if (len == 2) fld.value = '0'+ decSep + aux;
	if (len > 2) 
	{
		aux2 = '';
		for (j = 0, i = len - 3; i >= 0; i--) 
		{
			if (j == 3) 
			{
				aux2 += milSep;
				j = 0;
			}
			aux2 += aux.charAt(i);
			j++;
		}
		fld.value = '';
		len2 = aux2.length;
		for (i = len2 - 1; i >= 0; i--)
		fld.value += aux2.charAt(i);
		fld.value += decSep + aux.substr(len - 2, len);
	}
	return false;
}

function formataMoeda(objTextBox, SeparadorMilesimo, SeparadorDecimal, e){
    var sep = 0;
    var key = '';
    var i = j = 0;
    var len = len2 = 0;
    var strCheck = '0123456789';
    var aux = aux2 = '';
    var whichCode = (window.Event) ? e.which : e.keyCode;    
    // 13=enter, 8=backspace as demais retornam 0(zero)
    // whichCode==0 faz com que seja possivel usar todas as teclas como delete, setas, etc    
    if ((whichCode == 13) || (whichCode == 0) || (whichCode == 8))
    	return true;
    key = String.fromCharCode(whichCode); // Valor para o código da Chave
 
    if (strCheck.indexOf(key) == -1) 
    	return false; // Chave inválida
    len = objTextBox.value.length;
    for(i = 0; i < len; i++)
        if ((objTextBox.value.charAt(i) != '0') && (objTextBox.value.charAt(i) != SeparadorDecimal)) 
        	break;
    aux = '';
    for(; i < len; i++)
        if (strCheck.indexOf(objTextBox.value.charAt(i))!=-1) 
        	aux += objTextBox.value.charAt(i);
    aux += key;
    len = aux.length;
    if (len == 0) 
    	objTextBox.value = '';
    if (len == 1) 
    	objTextBox.value = '0'+ SeparadorDecimal + '0' + aux;
    if (len == 2) 
    	objTextBox.value = '0'+ SeparadorDecimal + aux;
    if (len > 2) {
        aux2 = '';
        for (j = 0, i = len - 3; i >= 0; i--) {
            if (j == 3) {
                aux2 += SeparadorMilesimo;
                j = 0;
            }
            aux2 += aux.charAt(i);
            j++;
        }
        objTextBox.value = '';
        len2 = aux2.length;
        for (i = len2 - 1; i >= 0; i--)
        	objTextBox.value += aux2.charAt(i);
        objTextBox.value += SeparadorDecimal + aux.substr(len - 2, len);
    }
    
    return false;
}

function getElementsByClassName (cl) {
    var retnode = [];
    var myclass = new RegExp('\\b'+cl+'\\b');
    var elem = this.getElementsByTagName('*');
    for (var i = 0; i < elem.length; i++) {
        var classes = elem[i].className;
        if (myclass.test(classes)) retnode.push(elem[i]);
    }
    return retnode;
}

function numbersOnly(e, decimal) {
    var key;
    var keychar;

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

    if ((key==null) || (key==0) || (key==8) ||  (key==9) || (key==13) || (key==27) ) {
       return true;
    }
    else if ((("0123456789").indexOf(keychar) > -1)) {
       return true;
    }
    else if (decimal && (keychar == ".")) { 
      return true;
    }
    else
       return false;
}

function limit(textArea, maxLength)
{
	if(textArea.value.length >= maxLength)
	{
		textArea.value = textArea.value.substr(0, maxLength);
		return false;
	}
	return true;
}