// FORMATA VALOR --------------------------------------------------------------------------------------------------

function trim (str) {
	while (str.charAt (str.length - 1) == " ")
		str = str.substring (0, str.length - 1);
	while (str.charAt (0) == " ")
		str = str.substring (1, str.length);
	return str;
}

// colocar no evento onKeyUp passando o objeto como parametro
function formataData(val)
{
   	var pass = val.value;
	var expr = /[0123456789]/;
		
	for(i=0; i<pass.length; i++){
		// charAt -> retorna o caractere posicionado no índice especificado
		var lchar = val.value.charAt(i);
		var nchar = val.value.charAt(i+1);
	
		if(i==0){
		   // search -> retorna um valor inteiro, indicando a posição do inicio da primeira
		   // ocorrência de expReg dentro de instStr. Se nenhuma ocorrencia for encontrada o método retornara -1
		   // instStr.search(expReg);
		   if ((lchar.search(expr) != 0) || (lchar>3)){
			  val.value = "";
		   }
		   
		}else if(i==1){
			   
			   if(lchar.search(expr) != 0){
				  // substring(indice1,indice2)
				  // indice1, indice2 -> será usado para delimitar a string
				  var tst1 = val.value.substring(0,(i));
				  val.value = tst1;				
 				  continue;			
			   }
			   
			   if ((nchar != '/') && (nchar != '')){
				 	var tst1 = val.value.substring(0, (i)+1);
				
					if(nchar.search(expr) != 0) 
						var tst2 = val.value.substring(i+2, pass.length);
					else
						var tst2 = val.value.substring(i+1, pass.length);
	
					val.value = tst1 + '/' + tst2;
			   }

		 }else if(i==4){
			
				if(lchar.search(expr) != 0){
					var tst1 = val.value.substring(0, (i));
					val.value = tst1;
					continue;			
				}
		
				if	((nchar != '/') && (nchar != '')){
					var tst1 = val.value.substring(0, (i)+1);

					if(nchar.search(expr) != 0) 
						var tst2 = val.value.substring(i+2, pass.length);
					else
						var tst2 = val.value.substring(i+1, pass.length);
	
					val.value = tst1 + '/' + tst2;
				}
   		  }
		
		  if(i>=6){
			  if(lchar.search(expr) != 0) {
					var tst1 = val.value.substring(0, (i));
					val.value = tst1;			
			  }
		  }
	 }
	
     if(pass.length>10)
		val.value = val.value.substring(0, 10);
	 	return true;
}

function numero(keypress) {

	var caracteres = "0123456789";
	return (caracteres.search(String.fromCharCode(keypress)) != -1);

}

function alfa(keypress) {

	var caracteres = "ABCDEFGHIJKLMNOPQRSTUVXWYZ0123456789@-_.(), ";
	return (caracteres.search(String.fromCharCode(keypress).toUpperCase()) != -1);

}

function numeroAmericano(str) {

	for (a = 0; a < str.length; a++) {
		if (str.charAt(a) == ".")
			str = str.replace(".", "");
		if (str.charAt(a) == ",")
			str = str.replace(",", ".");
	}

	return str;

}

// VALIDA VALOR ---------------------------------------------------------------------------------------------------

function validaDataNula(src) {
	if (src.value != "")
		return validaData(src);
}

function validaData(str) { 

	dia = (str.value.substring(0,2)); 
    mes = (str.value.substring(3,5)); 
	ano = (str.value.substring(6,10)); 

	cons = true; 
	
	// verifica se foram digitados números
	if (isNaN(dia) || isNaN(mes) || isNaN(ano)){
		alert("Preencha a data somente com números."); 
		str.value = "";
		str.focus(); 
		return false;
	}
		
    // verifica o dia valido para cada mes 
    if ((dia < 01)||(dia < 01 || dia > 30) && 
		(mes == 04 || mes == 06 || 
		 mes == 09 || mes == 11 ) || 
		 dia > 31) { 
    	cons = false; 
	} 

	// verifica se o mes e valido 
	if (mes < 01 || mes > 12 ) { 
		cons = false; 
	} 

	// verifica se e ano bissexto 
	if (mes == 2 && ( dia < 01 || dia > 29 || 
	   ( dia > 28 && 
	   (parseInt(ano / 4) != ano / 4)))) { 
		cons = false; 
	} 

    if (str.value.length < 10)
    	cons = false;

	if (cons == false) { 
		alert("A data inserida não é válida: " + str.value); 
		str.value = "";
		str.focus(); 
		return false;
	} 
}

//Formata Valor
function formataValor(campo, tammax,teclapres) {
	var tecla = teclapres.keyCode;
	vr = campo.value;
	vr = vr.replace( "/", "" );
	vr = vr.replace( "/", "" );
	vr = vr.replace( ",", "" );
	vr = vr.replace( ".", "" );
	vr = vr.replace( ".", "" );
	vr = vr.replace( ".", "" );
	vr = vr.replace( ".", "" );
	tam = vr.length;

	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 <= 2 ){ 
	 		campo.value = vr ; }
	 	if ( (tam > 2) && (tam <= 5) ){
	 		campo.value = vr.substr( 0, tam - 2 ) + ',' + vr.substr( tam - 2, tam ) ; }
	 	if ( (tam >= 6) && (tam <= 8) ){
	 		campo.value = vr.substr( 0, tam - 5 ) + '.' + vr.substr( tam - 5, 3 ) + ',' + vr.substr( tam - 2, 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 - 2, 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 - 2, 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 ) ;}
	}
}

//Somente Numeros
function campoNumerico(event){
	var browser = navigator.appName;
	var keynum;

	if (browser == "Netscape"){
		keynum = event.charCode;
	}else{
		keynum = event.keyCode;
	}

	if ((keynum >= 48) && (keynum <= 57) || (keynum == 0)){
		return true;
	}else{
		return false;
	}
}