// JavaScript Document
function txtBoxFormat(objeto, sMask, evtKeyPress) {
    var i, nCount, sValue, fldLen, mskLen,bolMask, sCod, nTecla;

if(document.all) { // Internet Explorer
    nTecla = evtKeyPress.keyCode;
} else if(document.layers) { // Nestcape
    nTecla = evtKeyPress.which;
} else {
    nTecla = evtKeyPress.which;
    if (nTecla == 8) {
        return true;
    }
}

    sValue = objeto.value;

    // Limpa todos os caracteres de formatao que
    // j estiverem no campo.
    sValue = sValue.toString().replace( "-", "" );
    sValue = sValue.toString().replace( "-", "" );
    sValue = sValue.toString().replace( ".", "" );
    sValue = sValue.toString().replace( ".", "" );
    sValue = sValue.toString().replace( "/", "" );
    sValue = sValue.toString().replace( "/", "" );
    sValue = sValue.toString().replace( ":", "" );
    sValue = sValue.toString().replace( ":", "" );
    sValue = sValue.toString().replace( "(", "" );
    sValue = sValue.toString().replace( "(", "" );
    sValue = sValue.toString().replace( ")", "" );
    sValue = sValue.toString().replace( ")", "" );
    sValue = sValue.toString().replace( " ", "" );
    sValue = sValue.toString().replace( " ", "" );
    fldLen = sValue.length;
    mskLen = sMask.length;

    i = 0;
    nCount = 0;
    sCod = "";
    mskLen = fldLen;

    while (i <= mskLen) {
      bolMask = ((sMask.charAt(i) == "-") || (sMask.charAt(i) == ".") || (sMask.charAt(i) == "/") || (sMask.charAt(i) == ":"))
      bolMask = bolMask || ((sMask.charAt(i) == "(") || (sMask.charAt(i) == ")") || (sMask.charAt(i) == " "))

      if (bolMask) {
        sCod += sMask.charAt(i);
        mskLen++; }
      else {
        sCod += sValue.charAt(nCount);
        nCount++;
      }

      i++;
    }

    objeto.value = sCod;

    if (nTecla != 8) { // backspace
      if (sMask.charAt(i-1) == "9") { // apenas nmeros...
        return ((nTecla > 47) && (nTecla < 58)); }
      else { // qualquer caracter...
        return true;
      }
    }
    else {
      return true;
    }
}

function blockNumbers(e){
	var key;
	var keychar;
	var reg;

	if(window.event) {
		// for IE, e.keyCode or window.event.keyCode can be used
		key = e.keyCode;
	}
	else if(e.which) {
		// netscape
		key = e.which;
		if (key == 8) {
			return true;
		}
	}
	else {
		// no event, so pass through
		return true;
	}
	
	keychar = String.fromCharCode(key);
	reg = /[^\d-]/;
	return !reg.test(keychar);
}

function abreJanela(url, name, height, width) {
	var str = "height=" + height + ",innerHeight=" + height;
	str += ",width=" + width + ",innerWidth=" + width + ',resizable=no,scrollbars=yes,menubar=no,status=no';
	if (window.screen) {
		var ah = screen.availHeight - 30;
		var aw = screen.availWidth - 5;

		var xc = (aw - width) / 2;
		var yc = (ah - height) / 2;

		str += ",left=" + xc + ",screenX=" + xc;
		str += ",top=" + yc + ",screenY=" + yc;
	}
	window.open(url, name, str);
}

function ComparaDatas(dtinicio,dttermino) {

	// Verifica se data2 é maior ou igual que data1
	var data1 = dtinicio;
	var data2 = dttermino;
	
	if ( parseInt( data2.split( "/" )[2].toString() + data2.split( "/" )[1].toString() + data2.split( "/" )[0].toString() ) >= parseInt( data1.split( "/" )[2].toString() + data1.split( "/" )[1].toString() + data1.split( "/" )[0].toString() ) )
	{
	  return true;
	}
	else
	{
	  return false;
	}
}

function valida_data(data){
	
	//verifica se a data est correta
		dateStr = data;
	
		var datePat = /^(\d{1,2})(\/|-)(\d{1,2})(\/|-)(\d{4})$/;
		var matchArray = dateStr.match(datePat); // is the format ok?
		
		if (matchArray == null) {
		return false;
		}
		
		day = matchArray[1];
		month = matchArray[3];
		year = matchArray[5];
		
		if (month < 1 || month > 12) { // check month range
		return false;
		}
		
		if (day < 1 || day > 31) {
		return false;
		}
		
		if ((month==4 || month==6 || month==9 || month==11) && day==31) {
		return false;
		}
		
		if (month == 2) { // check for february 29th
		var isleap = (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0));
		if (day > 29 || (day==29 && !isleap)) {
		return false;
		}
		}
		return true; // date is valid
}