if (navigator.appName=="Netscape" && parseInt(navigator.appVersion)==4) {
	widthCheck = window.innerWidth;
	heightCheck = window.innerHeight;
	window.onResize = resizeFix;
}

function resizeFix() {
	if (widthCheck != window.innerWidth || heightCheck != window.innerHeight)
	document.location.href = document.location.href;
}




var isNew=0;
var isNS4=0;
var isIE4=0;
var brow= ((navigator.appName)+(parseInt(navigator.appVersion)));
if (parseInt(navigator.appVersion >=5)) {
isNew=1}
else if (brow=="Netscape4")
{isNS4 = 1;}
else if(brow=="Microsoft Internet Explorer4")
{isIE4=1;}

docObj=(isNS4)?'document' :'document.all';
styleObj= (isNS4)?'':'.style';

function lyroff(currElem){
	dom= eval(docObj+'.'+currElem+styleObj);
	state = dom.visibility;
	if(state=="visible" || state=="show"){dom.visibility="hidden";}
}

function lyron(currElem){
	dom=eval(docObj+'.'+currElem+styleObj);
	state=dom.visibility;
	if(state=="hide" || state=="hidden"){dom.visibility="visible"};
}

function alterNate(elm){
if (!elm.base) elm.base = elm.value
if (elm.value == elm.base) elm.value = "";
else if (elm.value == "") elm.value = elm.base;
}

function checkmail(str)
{
	var filter = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
	if (filter.test(str))
	{
		return true;
	}
	else
	{
		alert("O e-mail digitado não é válido!")
		return false;
	}
}


function openpopup(url, width, height, scrollbars){
window.open(url,"","toolbar=no,status=no,menubar=no,scrollbars=" + scrollbars + "top=10,left=10,width=" + width + ",height=" + height)
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function addfav(){
    var url      = "http://www.superferias.tur.br";
    var title    = "Super Férias Turismo";
    if (window.sidebar) window.sidebar.addPanel(title, url,"");
    else if(window.opera && window.print){
        var mbm = document.createElement('a');
        mbm.setAttribute('rel','sidebar');
        mbm.setAttribute('href',url);
        mbm.setAttribute('title',title);
        mbm.click();
    }
    else if(document.all){window.external.AddFavorite(url, title);}
}

<!-- função validação dos campos
function checkFields() {
missinginfo = "";
	if(document.contato.nome.value == "") {
		missinginfo += "\n     -  Nome";
	}
	if(document.contato.telefone.value == "") {
		missinginfo += "\n     -  Telefone";
	}
	if ((document.contato.email.value == "") || 
	(document.contato.email.value.indexOf('@') == -1) || 
	(document.contato.email.value.indexOf('.') == -1)) {
		missinginfo += "\n     -  Email";
	}	
	if (missinginfo != "") {
		missinginfo = "Por favor preencha os seguintes campos:\n" + missinginfo +
		"\n\n_____________________________\n";
		alert(missinginfo);
		return false;
	}
	else {
		return true;
	}
}
//  End -->