/*
* oculta o obj
*/
function hide(obj){
	obj.style.display = "none";
}

/*
* mostra o obj passado por id
*/
function show(id){
	var obj = document.getElementById(id);
	obj.style.display = "";
}


/*
* faz um overlay no obj
*/
function overlay(obj){
	obj.style.background = "#EFEFEF";
}


/* 
* retira o overlay do obj
*/
function _overlay(obj){
	obj.style.background = "#ffffff";
}


/*
* coloca o campo passado pelo id em Focu
*/
function setFocus(id){
	var obj = document.getElementById(id);
	obj.focus();
}


/*
* muda o background do obj selecionado
*/
function selected(obj){
	obj.style.background = "#EFEFEF";
}


/*
* retira o background do obj
*/
function _selected(obj){
//	obj.style.background = "transparent";
	obj.style.background = "#ffffff";
}


/*
* rola a página até o element
*/
function scrollTo(element){
	var obj = document.getElementById(element);
	obj.scrollIntoView();
}


/* limita o numero de caracteres para o campo obj */
function maxlenght( obj, num ){
	obj.value = obj.value.substring(0, num);	
}


/*
* abre uma popUp com os parametros passados
*/
function popUp(url, titulo, width, height, target){	
	
	if(target!=null)
		var janela = window.open(url, target, titulo,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0');
	else
		var janela = window.open(url, titulo,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0');
	
	janela.resizeTo(width, height);
}


/*
* executa o método em looping através dos segundos
*/
function reload(metodo, segundos){
	setTimeout(metodo, (segundos*1000)); /* x 1000, milisegundos */
}


/* verifica se é um email válido */
function is_mail(mail){
    var er = new RegExp(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{2,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/);
    if(typeof(mail) == "string"){
        if(er.test(mail)){ return true; }
    }else if(typeof(mail) == "object"){
        if(er.test(mail.value)){
            return true;
        }
    }else{
        return false;
    }
}


/*
* cria uma mascara para campos input
*/
// onkeypress=mascara(this, "(99)9999-9999", event);
function mascara(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 formatação que
    // já 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 números...
        return ((nTecla > 47) && (nTecla < 58)); } 
      else { // qualquer caracter...
        return true;
      } 
    }
    else {
      return true;
    }
}




/* ******************************************************************************* *
* retira o link da div, utilizado para o flash de graficos						   *
* ******************************************************************************** */
function unlink(width, height){
	
	/* verifica se ja nao possui a div unlink */
	var unlink = document.getElementById("unlink");
	
	if( unlink != null ){
		unlink.style.width = width;
		unlink.style.height = height;
		unlink.style.display = "";
		unlink.style.position = "absolute";
	}
}