function Saudacao()
{
	var datahora,xhora,xdia,dia,mes,ano,txtsaudacao;
	datahora = new Date();
	xhora = datahora.getHours();
	if (xhora >= 0 && xhora < 12) {txtsaudacao = "Bom Dia!"}
	if (xhora >= 12 && xhora < 18) {txtsaudacao = "Boa Tarde!"}
	if (xhora >= 18 && xhora <= 23) {txtsaudacao = "Boa Noite!"}
	xdia = datahora.getDay();

	var diasemana=new Array('Domingo','Segunda','Terça','Quarta','Quinta','Sexta','Sábado');
	var mesdoano=new Array('janeiro','fevereiro','março','abril','maio','junho','julho','agosto','setembro','outubro','novembro','dezembro');
	
	dia = datahora.getDate();
	mes = datahora.getMonth();

	ano = datahora.getFullYear();
	return txtsaudacao+ " " +diasemana[xdia]+ ", "+dia+" de "+mesdoano[mes]+" de "+ano;
}

function isMail(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;
        }
}

function tecla(e)
//chame assim: no input: onKeyPress="return tecla(event)"
{
	if (document.all) // Internet Explorer
		var tecla = event.keyCode;
	else if(document.layers) // Nestcape
		var tecla = e.which;
		if (tecla > 47 && tecla < 58) // numeros de 0 a 9
			return true;
		else
			{
				if (tecla == 44) return true;
				if (tecla != 8) // backspace
					event.keyCode = 0;
					//return false;
				else
					return true;
			}
}

function fCurrency(num) {
	num = num.toString().replace(/\$|\,/g,'.');
	sign = (num == (num = Math.abs(num)));
	num = Math.floor(num*100+0.50000000001);
	cents = num%100;
	num = Math.floor(num/100).toString();
	if(cents<10) cents = "0" + cents;
	for (var i=0;i<Math.floor((num.length-(1+i))/3); i++)
	num = num.substring(0,num.length-(4*i+3)) + '.' + num.substring(num.length-(4*i+3));
	document.write( ((sign)?'':'-') + num + ',' + cents );
}

function trimAll(sString)
{
	while (sString.substring(0,1) == ' ')
	{
		sString = sString.substring(1, sString.length);
	}
	
	while (sString.substring(sString.length-1, sString.length) == ' ')
	{
		sString = sString.substring(0,sString.length-1);
	}

	return sString;
}

function trim_nbsp(str) {
	return str.replace(/^[\s\xA0]*/g,"").replace(/[\s\xA0]*$/g,"").replace(/ {2,}/,' '); 
}


function popdate(obj,div,tam,ddd)
{

	if (ddd) 
    {
        day = ""
        mmonth = ""
        ano = ""
        c = 1
        char = ""
        for (s=0;s<parseInt(ddd.length);s++)
        {
            char = ddd.substr(s,1)
            if (char == "/") 
            {
                c++; 
                s++; 
                char = ddd.substr(s,1);
            }
            if (c==1) day    += char
            if (c==2) mmonth += char
            if (c==3) ano    += char
        }
        ddd = mmonth + "/" + day + "/" + ano
    }
  
    if(!ddd) {today = new Date()} else {today = new Date(ddd)}
    date_Form = eval (obj)
    if (date_Form.value == "") { date_Form = new Date()} else {date_Form = new Date(date_Form.value)}
  
    ano = today.getFullYear();
    mmonth = today.getMonth ();
    day = today.toString ().substr (8,2)
  
    umonth = new Array ("Janeiro", "Fevereiro", "Março", "Abril", "Maio", "Junho", "Julho", "Agosto", "Setembro", "Outubro", "Novembro", "Dezembro")
    days_Feb = (!(ano % 4) ? 29 : 28)
    days = new Array (31, days_Feb, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)

    if ((mmonth < 0) || (mmonth > 11))  alert(mmonth)
    if ((mmonth - 1) == -1) {month_prior = 11; year_prior = ano - 1} else {month_prior = mmonth - 1; year_prior = ano}
    if ((mmonth + 1) == 12) {month_next  = 0;  year_next  = ano + 1} else {month_next  = mmonth + 1; year_next  = ano}
    txt  = "<table bgcolor='#efefff' style='border:solid #330099; border-width:2' cellspacing='0' cellpadding='3' border='0' width='"+tam+"' height='"+tam*1.1 +"'>"
    txt += "<tr bgcolor='#FFFFFF'><td colspan='7' align='center'><table border='0' cellpadding='0' width='100%' bgcolor='#FFFFFF'><tr>"
    txt += "<td width=20% align=center><a href=javascript:popdate('"+obj+"','"+div+"','"+tam+"','"+((mmonth+1).toString() +"/01/"+(ano-1).toString())+"') class='Cabecalho_Calendario' title='Ano Anterior'><<</a></td>"
    txt += "<td width=20% align=center><a href=javascript:popdate('"+obj+"','"+div+"','"+tam+"','"+( "01/" + (month_prior+1).toString() + "/" + year_prior.toString())+"') class='Cabecalho_Calendario' title='Mês Anterior'><</a></td>"
    txt += "<td width=20% align=center><a href=javascript:popdate('"+obj+"','"+div+"','"+tam+"','"+( "01/" + (month_next+1).toString()  + "/" + year_next.toString())+"') class='Cabecalho_Calendario' title='Próximo Mês'>></a></td>"
    txt += "<td width=20% align=center><a href=javascript:popdate('"+obj+"','"+div+"','"+tam+"','"+((mmonth+1).toString() +"/01/"+(ano+1).toString())+"') class='Cabecalho_Calendario' title='Próximo Ano'>>></a></td>"
    txt += "<td width=20% align=right><a href=javascript:force_close('"+div+"') class='Cabecalho_Calendario' title='Fechar Calendário'><b>X</b></a></td></tr></table></td></tr>"
    txt += "<tr><td colspan='7' align='right' bgcolor='#ccccff' class='mes'><a href=javascript:pop_year('"+obj+"','"+div+"','"+tam+"','" + (mmonth+1) + "') class='mes'>" + ano.toString() + "</a>"
    txt += " <a href=javascript:pop_month('"+obj+"','"+div+"','"+tam+"','" + ano + "') class='mes'>" + umonth[mmonth] + "</a> <div id='popd' style='position:absolute'></div></td></tr>"
    txt += "<tr bgcolor='#330099'><td width='14%' class='dia' align=center><b>Dom</b></td><td width='14%' class='dia' align=center><b>Seg</b></td><td width='14%' class='dia' align=center><b>Ter</b></td><td width='14%' class='dia' align=center><b>Qua</b></td><td width='14%' class='dia' align=center><b>Qui</b></td><td width='14%' class='dia' align=center><b>Sex<b></td><td width='14%' class='dia' align=center><b>Sab</b></td></tr>"
    today1 = new Date((mmonth+1).toString() +"/01/"+ano.toString());
    diainicio = today1.getDay () + 1;
    week = d = 1
    start = false;

    for (n=1;n<= 42;n++) 
    {
        if (week == 1)  txt += "<tr bgcolor='#efefff' align=center>"
        if (week==diainicio) {start = true}
        if (d > days[mmonth]) {start=false}
        if (start) 
        {
            dat = new Date((mmonth+1).toString() + "/" + d + "/" + ano.toString())
            day_dat   = dat.toString().substr(0,10)
            day_today  = date_Form.toString().substr(0,10)
            year_dat  = dat.getFullYear ()
            year_today = date_Form.getFullYear ()
            colorcell = ((day_dat == day_today) && (year_dat == year_today) ? " bgcolor='#FFCC00' " : "" )
            txt += "<td"+colorcell+" align=center><a href=javascript:block('"+  d + "/" + (mmonth+1).toString() + "/" + ano.toString() +"','"+ obj +"','" + div +"') class='data'>"+ d.toString() + "</a></td>"
            d ++ 
        } 
        else 
        { 
            txt += "<td class='data' align=center> </td>"
        }
        week ++
        if (week == 8) 
        { 
            week = 1; txt += "</tr>"} 
        }
        txt += "</table>"
        div2 = eval (div)
        div2.innerHTML = txt 
}

function pop_month(obj, div, tam, ano)
{
  txt  = "<table bgcolor='#CCCCFF' border='0' width=80>"
  for (n = 0; n < 12; n++) { txt += "<tr><td align=center><a href=javascript:popdate('"+obj+"','"+div+"','"+tam+"','"+("01/" + (n+1).toString() + "/" + ano.toString())+"')>" + umonth[n] +"</a></td></tr>" }
  txt += "</table>"
  popd.innerHTML = txt
}


function pop_year(obj, div, tam, umonth)
{
  txt  = "<table bgcolor='#CCCCFF' border='0' width=160>"
  l = 1
  for (n=1991; n<2012; n++)
  {  if (l == 1) txt += "<tr>"
     txt += "<td align=center><a href=javascript:popdate('"+obj+"','"+div+"','"+tam+"','"+(umonth.toString () +"/01/" + n) +"')>" + n + "</a></td>"
     l++
     if (l == 4) 
        {txt += "</tr>"; l = 1 } 
  }
  txt += "</tr></table>"
  popd.innerHTML = txt 
}

function force_close(div) 
    { div2 = eval (div); div2.innerHTML = ''}
    

function block(data, obj, div)
{ 
    force_close (div)
    obj2 = eval(obj)
    obj2.value = data 
}

function valida_horas(edit){
      if(event.keyCode<48 || event.keyCode>57){
        event.returnValue=false;
      }
      if(edit.value.length==2 || edit.value.length==5){
        edit.value+=":";}
}

function verifica_hora(id){   

	var hora = document.getElementById(id);   
	
	if(hora.value.substr(0,2) > 23 || isNaN(hora.value.substr(0,2))){   
		alert("Formato da hora inválido.");   
		hora.focus();   
		return false   
	}   
	
	if(hora.value.substr(3,2) > 59 || isNaN(hora.value.substr(3,2))){   
		alert("Formato do minuto inválido.");   
		hora.focus();   
		return false   
	}   
	
	if(hora.value.substr(6,2) > 59 || isNaN(hora.value.substr(6,2))){   
		alert("Formato do segundo inválido.");   
		hora.focus();   
		return false   
	}   

	return true;
}