function opWin(url,id,w,h,param) {
				t = (screen.height-h)/2;
				l = (screen.width-w)/2;
				nwin = window.open("" + url + "","","left=" + l + ","+ param +",top=" + t + ",width=" + w + ",height=" + h +"");
				nwin.focus();
}

function chgClass(n,c) {
	n.className = c;
}

function rndClass(n) {
	if(n.className=='normal') {
		n.className = 'active';
	} else {
		n.className = 'normal';
	}
}

function chgImg(i,o) {
    document.getElementById(""+ i +"").src = o;
    return true;
}

function volta(url) {
    location.href=""+ url +"";
}

function showmsg(pstrMsg){
	document.getElementById('message_txt').innerHTML = pstrMsg;
}

function habilita(i,b,n,c) {
    
    document.getElementById("" + i +"").style.display = "block";
    document.getElementById("" + b +"").style.display = "none";
    document.getElementById("" + i +"").focus();
    document.getElementById("mlabel").style.display = "block";
	document.getElementById("mlabel").innerHTML = "Digite o " + document.getElementById(""+ n +"").value;
    document.getElementById("botao").style.display = "block";
    document.getElementById("" + c +"").style.width = "98px";
    document.getElementById("" + c +"").style.height = "54px";
    document.getElementById("" + n +"").style.width = "196px";
    document.getElementById("" + n +"").style.height = "108px";

}

function init()
{
	optionTest = true;
	lgth = document.getElementById("plataforma").options.length ;
	document.getElementById("plataforma").options[lgth] = null;
	if (document.getElementById("plataforma").options[lgth]) optionTest = false;
}

function valida() {
	if ((document.getElementById("planos").value == null) || (document.getElementById("planos").value == "")) {
		alert("Selecione um plano!");return false;
	}
	if ((document.getElementById("plataforma").value == null) || (document.getElementById("plataforma").value == "")) {
		alert("Selecione uma plataforma!");return false;
	}

	
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' deve ser preenchido corretamente.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' &eacute; obrigat&oacute;rio.\n'; }
  } if (errors) alert('Ocorreu o seguinte erro:\n'+errors);
  document.MM_returnValue = (errors == '');
}