function centraliza(largura,altura){
	window.moveTo((window.screen.width-largura)/2,(window.screen.height-altura)/2);
}
function abreJanela(arquivo,nome,barra,largura,altura) {
	window.open(arquivo,nome,"resizable=no,toolbar=no,status=no,menubar=no,scrollbars="+barra+",width="+largura+",height="+altura);
}
function Esconde(){
	document.getElementById('bannerFloating').style.visibility="hidden";
}
function RefreshParent(){
	opener.frames["_principal"].location.href="20anos.asp";
	window.close();
} 
function redimenciona(){
	var i=0;
	function resize() {
		if (navigator.appName == 'Netscape') i=40;
		if (document.images[0]) window.resizeTo(document.images[0].width +50, document.images[0].height+80-i);
		if (window.moveTo((window.screen.width-document.images[0].width)/2,(window.screen.height-document.images[0].height)/2));
	}
}
var css_browser_selector = function() {
	var 
		ua = navigator.userAgent.toLowerCase(),
		is = function(t){ return ua.indexOf(t) != -1; },
		h = document.getElementsByTagName('html')[0],
		b = (!(/opera|webtv/i.test(ua)) && /msie (\d)/.test(ua)) ? ((is('mac') ? 'ieMac ' : '') + 'ie ie' + RegExp.$1)
			: is('gecko/') ? 'gecko' : is('opera') ? 'opera' : is('konqueror') ? 'konqueror' : is('applewebkit/') ? 'webkit safari' : is('mozilla/') ? 'gecko' : '',
		os = (is('x11') || is('linux')) ? ' linux' : is('mac') ? ' mac' : is('win') ? ' win' : '';
	var c = b+os+' js';
	h.className += h.className?' '+c:c;
}();

function CampoObrigatorio(objParam) {
     if (objParam.value=='') {
	    return false;
	 }else {
	    return true;
	 }
}

function NumeroObrigatorio(ObjParam){
		         if (!CampoObrigatorio(ObjParam)){
						     return false;
				 }else if (isNaN(ObjParam.value)){
						           return false;
								   
						 }else {
						       return true;
							   }
}
    
function CampoChecked(ObjParam,num){
		key = false;
		for(i=1;i<=num;i++) {
		    if (eval(ObjParam+i+'.checked')) {
			    key = true;
				break;
			}
			
		}
		return key;
}    

function VerSelect(objSelect){
		if(objSelect.selectedIndex == 0){
			
    	   return false;
		}else{
    	   return true;
		}
}

function Email(objEmail){
    if (!objEmail.value.match(/^([a-zA-Z0-9][a-zA-Z0-9_.-]{2,}@([a-zA-Z0-9-]+\.)+[a-zA-Z]{2,4})$/)) {
	 	return false;
	}else{
		return true;	
	}
}

function validarEnquete(f) {
	key = false;
	for(i=0;i<f.radEnquete.length;i++) {
		if (f.radEnquete[i].checked) {
			key = true;
			break;
		}
	}
	if (!key) {
		alert('Selecione a opçao antes de votar.');
		return false;
	}
}

function montaSWF(arquivo,largura,altura){
	var now = new Date();	
	var dia = now.getDay();
	var mes = now.getMonth();
	var ano = now.getFullYear();
	var hora = now.getHours();
	var mintuto = now.getMinutes();
	var segundo = now.getSeconds();
	var data = ano+""+mes+""+dia+""+hora+""+mintuto+""+segundo;

	document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="' + largura + '" height="' + altura + '">');
	document.write('<param name="movie" value="swf/'+ arquivo +'.swf?ieSux='+ data +'" />');
	document.write('<param name="quality" value="high" />');
	document.write('<param name="menu" value="false" />');
	document.write('<param name="wmode" value="transparent" />');
	document.write('<embed wmode="transparent" menu="false" src="swf/'+ arquivo +'.swf?ieSux='+ data +'" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="' + largura + '" height="' + altura + '"></embed>');
	document.write('</object>');
}