function isNs4() {
	return(navigator.appName.indexOf("Netscape")>-1 && parseInt(navigator.appVersion)==4);
}
function isNs6() {
	return(navigator.appName.indexOf("Netscape")>-1 && parseInt(navigator.appVersion)>4);
}
function swapMenu(objImg, strImg) {
	document.images[objImg].src = strImg
}

arrPreloadImgs = ['img/menu_faq_over.gif','img/menu_guia_over.gif','img/menu_loja_over.gif','img/menu_manuais_over.gif','img/menu_suporte_over.gif'];
for (i=0;i<arrPreloadImgs.length;i++) {
	eval('img' + i + ' = new Image();');
	eval('img' + i + '.src = arrPreloadImgs[' + i + '];');
}

var ns4=(navigator.appName=="Netscape" && navigator.appVersion.substr(0,1)==4);
var ns6=(navigator.appName=="Netscape" && navigator.appVersion.substr(0,1)>4);

function getObj(objLayer) {
	returnVar="obj";
	if (ns4) eval(returnVar + "=document." + objLayer);
	else if (ns6) eval(returnVar + "=document.getElementById('" + objLayer + "').style");
	else eval(returnVar + "=document.all." + objLayer + ".style");
}

function swapVisibility(objLayer) {
	getObj(objLayer);
	if (obj.visibility=='hidden' || obj.visibility=='hide') obj.visibility=(ns4)? "show" : "visible";
	else obj.visibility=(ns4)? "hide" : "hidden";
}

function exec(strDir, intExec){
	document.faturamento.navega.value=strDir
	document.faturamento.submit()
}

function ex(strField, intId){
	if (strField!='' && intId!=''){
		eval('document.executa.'+strField+'.value='+intId)
		document.executa.submit()
	}
}