//limpa Textbox

function LimpaTexto(idControle) {
document.getElementById(idControle).value = "";
}

function Limpar(valor, validos)
{
// retira caracteres invalidos da string
var result = "";
var aux;
    for (var i=0; i < valor.length; i++) {
    aux = validos.indexOf(valor.substring(i, i+1));
    if (aux>=0) {
    result += aux;
        }
    }
    return result;
}

//Formata número tipo moeda usando o evento onKeyDown

function Formata(campo,tammax,teclapres,decimal) {
var tecla = teclapres.keyCode;
vr = Limpar(campo.value,"0123456789");
tam = vr.length;
dec=decimal

if (tam < tammax && tecla != 8){ tam = vr.length + 1 ; }

if (tecla == 8 )
{ tam = tam - 1 ; }

if ( tecla == 8 || tecla >= 48 && tecla <= 57 || tecla >= 96 && tecla <= 105 )
{

if ( tam <= dec )
{ campo.value = vr ; }

if ( (tam > dec) && (tam <= 5) ){
campo.value = vr.substr( 0, tam - 2 ) + "," + vr.substr( tam - dec, tam ) ; }
if ( (tam >= 6) && (tam <= 8) ){
campo.value = vr.substr( 0, tam - 5 ) + "." + vr.substr( tam - 5, 3 ) + "," + vr.substr( tam - dec, tam ) ; 
}
if ( (tam >= 9) && (tam <= 11) ){
campo.value = vr.substr( 0, tam - 8 ) + "." + vr.substr( tam - 8, 3 ) + "." + vr.substr( tam - 5, 3 ) + "," + vr.substr( tam - dec, tam ) ; }
if ( (tam >= 12) && (tam <= 14) ){
campo.value = vr.substr( 0, tam - 11 ) + "." + vr.substr( tam - 11, 3 ) + "." + vr.substr( tam - 8, 3 ) + "." + vr.substr( tam - 5, 3 ) + "," + vr.substr( tam - dec, tam ) ; }
if ( (tam >= 15) && (tam <= 17) ){
campo.value = vr.substr( 0, tam - 14 ) + "." + vr.substr( tam - 14, 3 ) + "." + vr.substr( tam - 11, 3 ) + "." + vr.substr( tam - 8, 3 ) + "." + vr.substr( tam - 5, 3 ) + "," + vr.substr( tam - 2, tam ) ;}
} 
}

//adiciona mascara de data
function mascaraData(idControle){              
if (document.getElementById(idControle).value.length == 2 || document.getElementById(idControle).value.length == 5){                  
document.getElementById(idControle).value += '/';                  
}        
}

//adiciona R$ no valor
function sifraoValor(idControle){              
var ValorDigitado = document.getElementById(idControle).value;
document.getElementById(idControle).value = 'R$ ' + ValorDigitado;                  
}        

//Retira mascara de data e convert para americano
function mascaraDataAmericana(idControle){
       
if (document.getElementById(idControle).value.length == 2 || document.getElementById(idControle).value.length == 5){                  
document.getElementById(idControle).value += '-';                  
}        

alert(document.getElementById(idControle).value);

}

//function TrocaMenu(vMenu)
//{
//    alert( document.getElement('divcabecalho').class );
//}

//                  
var lastColorUsed;
function NAC_ChangeBackColor(row, highlight, RowHighlightColor) {
    if (highlight) {
        // set the background colour
        lastColorUsed = row.style.backgroundColor;
        row.style.backgroundColor = RowHighlightColor;
    }
    else {
        // restore the colour
        row.style.backgroundColor = lastColorUsed;
    }
}