function NewWindow(mypage, myname, w, h, scroll) {
    	var winl = (screen.width - w) / 2;
    	var wint = (screen.height - h) / 2;
    	winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll
    	win = window.open(mypage, myname, winprops)
    	if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
    }    
	
    function ShowHide(nr)
    {
        if(document.getElementById(nr).style.display=="none")
        {
            document.getElementById(nr).style.display=''  ;
        }
        else
        {
            document.getElementById(nr).style.display="none";
        }
    }
    
    function ValidComment(){
        if (document.frm.name.value=="") {
        	alert("Informe o seu nome.")
        	document.frm.name.focus()
        return false }
        if (document.frm.email.value=="") {
        	alert("Informe seu endereço de email. (Isto não será enviado online, mas poderá ser usado internamente se nós necessitarmos contatá-lo sobre seus comentários.)")
        	document.frm.email.focus()
        return false }
        if (document.frm.comment.value=="") {
        	alert("Informe o conteúdo de seu comentário.")
        	document.frm.comment.focus()
        return false }
		if (document.frm.securityCode.value=="") {
        	alert("Informe o Código de Segurança.")
        	document.frm.securityCode.focus()
        return false }
    }
    
    function ValidateSendEmail(){
        if (document.frm.email.value=="") {
        	alert("Informe o Email de seu Amigo.")
        	document.frm.email.focus()
        return false }
        if (document.frm.msg.value=="") {
        	alert("Informe sua mensagem.")
        	document.frm.msg.focus()
        return false }
		if (document.frm.securityCode.value=="") {
        	alert("Informe o Código de Segurança.")
        	document.frm.securityCode.focus()
        return false }
    }
	
	
/* For additional information about this JavaScript
and how to use it, see the "Displaying Number of Words
Typed Into Form Fields" article, linked from the archives
at from http://willmaster.com/possibilities/archives/
The above note and the copyright line must remain with
this JavaScript source code. Comments below this point
in the code may be removed if desired. */

// Customizing this JavaScript code requires specifying eight values.

// Value One:
// Specify the maximum number of characters the form field
// may contain. If you have no maximum, specify 0 (zero).

var MaximumCharacters = "300";

// Value Two:
// Specify the maximum number of words the form field may
// contain. If you have no maximum, specify 0 (zero).

var MaximumWords = "0";

// Value Three:
// Specify the form's name (provided by the name="_____"
// attribute in the FORM tag).

var FormName = "frm";

// Value Four:
// Specify the name of the text field being monitored
// (provided by the name="_____" attribute in the
// INPUT or TEXTARE tag).

var TextFieldName = "comment";

// Value Five:
// Specify the field name where where is to be displayed
// the number of characters the user has typed. Make
// it blank (nothing between the quotation marks) if
// you aren't displaying the number of characters typed.

var CharactersTypedFieldName = "";

// Value Six:
// Specify the field name where where is to be displayed
// the number of characters left that may be typed.
// Make it blank (nothing between the quotation marks)
// if you aren't displaying the number of characters
// left.

var CharactersLeftFieldName = "CharsLeft";

// Value Seven:
// Specify the field name where where is to be displayed
// the number of words the user has typed. Make it
// blank (nothing between the quotation marks) if you
// aren't displaying the number of words typed.

var WordsTypedFieldName = "";

// Value Eight:
// Specify the field name where where is to be displayed
// the number of words left that may be typed. Make it
// blank (nothing between the quotation marks) if you
// aren't displaying the number of words left.

var WordsLeftFieldName = "";

//////////////////////////////////////////////////////
//                                                  //
//  No modfications are required below this point.  //
//                                                  //
//////////////////////////////////////////////////////

var WordsMonitor = 0;
var MaxWords = parseInt(MaximumWords);
var MaxChars = parseInt(MaximumCharacters);
var textfield = 'document.' + FormName + '.' + TextFieldName + '.value';

function WordLengthCheck(s,l) {
WordsMonitor = 0;
var f = false;
var ts = new String();
for(var vi = 0; vi < s.length; vi++) {
	vs = s.substr(vi,1);
	if((vs >= 'A' && vs <= 'Z') || (vs >= 'a' && vs <= 'z') || (vs >= '0' && vs <= '9')) {
		if(f == false)	{
			f = true;
			WordsMonitor++;
			if((l > 0) && (WordsMonitor > l)) {
				s = s.substring(0,ts.length);
				vi = s.length;
				WordsMonitor--;
				}
			}
		}
	else { f = false; }
	ts += vs;
	}
return s;
} // function WordLengthCheck()

function CharLengthCheck(s,l) {
if(s.length > l) { s = s.substring(0,l); }
return s;
} // function CharLengthCheck()

function InputCharacterLengthCheck() {
if(MaxChars <= 0) { return; }
var currentstring = new String();
eval('currentstring = ' + textfield);
var currentlength = currentstring.length;
eval('currentstring = CharLengthCheck(' + textfield + ',' + MaxChars + ')');
if(CharactersLeftFieldName.length > 0) {
	var left = 0;
	eval('left = ' + MaxChars + ' - ' + textfield + '.length');
	if(left < 0) { left = 0; }
	eval('document.' + FormName + '.' + CharactersLeftFieldName + '.value = ' + left);
	if(currentstring.length < currentlength) { eval(textfield + ' = currentstring.substring(0)'); }
	}
if(CharactersTypedFieldName.length > 0) {
	eval('document.' + FormName + '.' + CharactersTypedFieldName + '.value = ' + textfield + '.length');
	if(currentstring.length < currentlength) { eval(textfield + ' = currentstring.substring(0)'); }
	}
} // function InputCharacterLengthCheck()

function InputWordLengthCheck() {
if(MaxWords <= 0) { return; }
var currentstring = new String();
eval('currentstring = ' + textfield);
var currentlength = currentstring.length;
eval('currentstring = WordLengthCheck(' + textfield + ',' + MaxWords + ')');
if (WordsLeftFieldName.length > 0) {
	var left = MaxWords - WordsMonitor;
	if(left < 0) { left = 0; }
	eval('document.' + FormName + '.' + WordsLeftFieldName + '.value = ' + left);
	if(currentstring.length < currentlength) { eval(textfield + ' = currentstring.substring(0)'); }
	}
if (WordsTypedFieldName.length > 0) {
	eval('document.' + FormName + '.' + WordsTypedFieldName + '.value = ' + WordsMonitor);
	if(currentstring.length < currentlength) { eval(textfield + ' = currentstring.substring(0)'); }
	}
} // function InputWordLengthCheck()

function InputLengthCheck() {
InputCharacterLengthCheck();
InputWordLengthCheck();
} // function InputLengthCheck()

// Muda Cor

function mudarCor(ref,corEscolhida){   
      ref.style.backgroundColor = corEscolhida;   
   }