String.prototype.trim = function() { return this.replace(/^\s+|\s+$/, ''); };

String.prototype.swapcase = function(){
	return this.replace(/([a-z])|([A-Z])/g,function($0,$1,$2){
		return ($1) ? $0.toUpperCase() : $0.toLowerCase()
	})
}

String.prototype.pad = function(l, s, t){
	return s || (s = " "), (l -= this.length) > 0 ? (s = new Array(Math.ceil(l / s.length)
		+ 1).join(s)).substr(0, t = !t ? l : t == 1 ? 0 : Math.ceil(l / 2))
		+ this + s.substr(0, l - t) : this;
};

String.prototype.mask = function(m) {
    var m, l = (m = m.split("")).length, s = this.split(""), j = 0, h = "";
    for(var i = -1; ++i < l;)
        if(m[i] != "#"){
            if(m[i] == "\\" && (h += m[++i])) continue;
            h += m[i];
            i + 1 == l && (s[j - 1] += h, h = "");
        }
        else{
            if(!s[j] && !(h = "")) break;
            (s[j] = h + s[j++]) && (h = "");
        }
    return s.join("") + h;
};

String.prototype.wordWrap = function(m, b, c){ //v1.0
    var i, j, l, s, r = this.split("\n");
    if(m > 0) for(i = -1, l = r.length; ++i < l;){
        for(s = r[i], r[i] = ""; s.length > m;
            j = c ? m : (j = s.substr(0, m).match(/\S*$/)).input.length - j[0].length
            || j.input.length + (j = s.substr(m).match(/^\S*/)).input.length + j[0].length,
            r[i] += s.substr(0, j) + ((s = s.substr(j)).length ? b : "")
        );
        r[i] += s;
    }
    return r.join("\n");
};

String.prototype.levenshtein = function(c){
    var s, l = (s = this.split("")).length, t = (c = c.split("")).length, i, j, m, n;
    if(!(l || t)) return Math.max(l, t);
    for(var a = [], i = l + 1; i; a[--i] = [i]);
    for(i = t + 1; a[0][--i] = i;);
    for(i = -1, m = s.length; ++i < m;)
        for(j = -1, n = c.length; ++j < n;)
            a[(i *= 1) + 1][(j *= 1) + 1] = Math.min(a[i][j + 1] + 1, a[i + 1][j] + 1, a[i][j] + (s[i] != c[j]));
    return a[l][t];
};

String.prototype.isCPF = function(){
    var c = this;
    if((c = c.replace(/[^\d]/g,"").split("")).length != 11) return false;
    if(new RegExp("^" + c[0] + "{11}$").test(c.join(""))) return false;
    for(var s = 10, n = 0, i = 0; s >= 2; n += c[i++] * s--);
    if(c[9] != (((n %= 11) < 2) ? 0 : 11 - n)) return false;
    for(var s = 11, n = 0, i = 0; s >= 2; n += c[i++] * s--);
    if(c[10] != (((n %= 11) < 2) ? 0 : 11 - n)) return false;
    return true;
};

String.prototype.highlight = function(f, c, i){
    var r = this, t = /([(){}|*+?.,^$\[\]\\])/g, i = !i ? "i" : "", rf = function(t, i){
        return r.lastIndexOf("<", i) > r.lastIndexOf(">", i) ? t : c(t, p);
    };
    for(var p = -1, l = (f = f instanceof Array ? f : [f]).length; ++p < l;)
        r = r.replace(new RegExp(f[p].replace(t, "\\\$1"), "gm" + i), rf);
    return r;
}

String.prototype.isEmail = function(){

	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;	
	return filter.test(this);

}


String.prototype.isUrl = function(){

	var filter  = /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/i;
	return filter.test(this);

}

function blurNumber (input){
	if (isNaN(input.value)) {
		alert("Este campo deve ser preenchido somente com números.");
		input.focus();
		input.value = "" ;
	}
	
}


var NUM_DIGITOS_CPF  = 11;
var NUM_DIGITOS_CNPJ = 14;
var NUM_DGT_CNPJ_BASE = 8;


/**
 * Adiciona método lpad() à classe String.
 * Preenche a String à esquerda com o caractere fornecido,
 * até que ela atinja o tamanho especificado.
 */
String.prototype.lpad = function(pSize, pCharPad)
{
	var str = this;
	var dif = pSize - str.length;
	var ch = String(pCharPad).charAt(0);
	for (; dif>0; dif--) str = ch + str;
	return (str);
} //String.lpad

function unformatNumber(pNum)
{
	return String(pNum).replace(/\D/g, "").replace(/^0+/, "");
} //unformatNumber

function formatCpfCnpj(pCpfCnpj, pUseSepar, pIsCnpj)
{
	if (pIsCnpj==null) pIsCnpj = false;
	if (pUseSepar==null) pUseSepar = true;
	var maxDigitos = pIsCnpj? NUM_DIGITOS_CNPJ: NUM_DIGITOS_CPF;
	var numero = unformatNumber(pCpfCnpj);

	numero = numero.lpad(maxDigitos, '0');
	if (!pUseSepar) return numero;

	if (pIsCnpj)
	{
		reCnpj = /(\d{2})(\d{3})(\d{3})(\d{4})(\d{2})$/;
		numero = numero.replace(reCnpj, "$1.$2.$3/$4-$5");
	}
	else
	{
		reCpf  = /(\d{3})(\d{3})(\d{3})(\d{2})$/;
		numero = numero.replace(reCpf, "$1.$2.$3-$4");
	}
	return numero;
} //formatCpfCnpj

function dvCpfCnpj(pEfetivo, pIsCnpj)
{
	if (pIsCnpj==null) pIsCnpj = false;
	var i, j, k, soma, dv;
	var cicloPeso = pIsCnpj? NUM_DGT_CNPJ_BASE: NUM_DIGITOS_CPF;
	var maxDigitos = pIsCnpj? NUM_DIGITOS_CNPJ: NUM_DIGITOS_CPF;
	var calculado = formatCpfCnpj(pEfetivo, false, pIsCnpj);
	calculado = calculado.substring(2, maxDigitos);
	var result = "";

	for (j = 1; j <= 2; j++)
	{
		k = 2;
		soma = 0;
		for (i = calculado.length-1; i >= 0; i--)
		{
			soma += (calculado.charAt(i) - '0') * k;
			k = (k-1) % cicloPeso + 2;
		}
		dv = 11 - soma % 11;
		if (dv > 9) dv = 0;
		calculado += dv;
		result += dv
	}

	return result;
} //dvCpfCnpj

function isCnpj(pCnpj)
{
	var numero = formatCpfCnpj(pCnpj, false, true);
	var base = numero.substring(0, NUM_DGT_CNPJ_BASE);
	var ordem = numero.substring(NUM_DGT_CNPJ_BASE, 12);
	var digitos = dvCpfCnpj(base + ordem, true);
	var algUnico;

	if (numero != base + ordem + digitos) return false;

	algUnico = numero.charAt(0) != '0';
	for (i=1; i<NUM_DGT_CNPJ_BASE; i++)
	{
		algUnico = algUnico && (numero.charAt(i-1) == numero.charAt(i));
	}
	if (algUnico) return false;

	if (ordem == "0000") return false;
	return (base == "00000000"
		|| parseInt(ordem, 10) <= 300 || base.substring(0, 3) != "000");
} //isCnpj

function MaisMenos(id_obj)
{
	var str = document.getElementById(id_obj).src;
	var tam = document.getElementById(id_obj).src.length;
	str = str.substring((tam-6),tam);
	if (str == 'os.gif')
	{
		document.getElementById(id_obj).src = '/EAD/imgs/icon_mais.gif' ;
	}
	else
	{
		document.getElementById(id_obj).src = '/EAD/imgs/icon_menos.gif' ;
	}
}

function selectDeselect (name){
	
	if (document.getElementsByName(name))
		var selects = document.getElementsByName(name);
	else	return;
	
	var sd = true ;

	if (selects[0].checked  && selects[selects.length - 1].checked  && selects[Math.round((selects.length - 1)  / 2)].checked )
		sd = false ;
	else
		sd = true ;
		
	for (var i=0; i < selects.length; i++){
		selects[i].checked  = sd;
	}
}

function mudastring(Campo) 
{
	NovoValorCampo=Campo.value.replace(/'/ig, String.fromCharCode(8217));
	Campo.value=NovoValorCampo
	NovoValorCampo=Campo.value.replace(/"/ig, String.fromCharCode(8217));
	Campo.value=NovoValorCampo	
}