function MM_preloadImages() { //v3.0
  var d=document; if(d.imagens){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function CalculaPreco(){
var PrecoPlano;
var PrecoDisco;
var PrecoTrafego;
var PrecoTotal;
var BaseDisco;
var BaseTrafego;
var PlanoNome;

var plano = document.getElementById("plano").value;
var disco = document.getElementById("disco").value;
var trafego = document.getElementById("trafego").value;

if (plano == "html") {
  PlanoNome = "html";
  PrecoPlano = 6.3;
  BaseDisco = 0.09;
  BaseTrafego = 0.1;
  };
  
if (plano == "php")  {
  PlanoNome = "php";
  PrecoPlano = 8.3;
  BaseDisco = 0.1;
  BaseTrafego = 0.1;
  };
  
if (plano == "asp")  {
  PlanoNome = "asp";
  PrecoPlano = 10.48;
  BaseDisco = 0.12;
  BaseTrafego = 0.12;
  };

if (plano == "ruby")  {
  PlanoNome = "ruby";
  PrecoPlano = 8.3;
  BaseDisco = 0.1;
  BaseTrafego = 0.1;
  };

PrecoDisco = (((disco-100)/100)*BaseDisco);
PrecoTrafego = ((trafego-3)*BaseTrafego);
PrecoTotal = FloatToCurrency(PrecoPlano+PrecoDisco+PrecoTrafego); 
  
document.getElementById("preco_plano").innerHTML = '<b><font size="4" face="Verdana" color="#FF9933">R$ '+PrecoTotal+'</font></b><br><font face="Verdana" size="1" color="#0066FF"><a class="lmenu" href="assine.php?plano='+PlanoNome+'&disco='+disco+'&trafego='+trafego+'">Assinar este plano!</a></font>';
}


function FloatToCurrency( Numero )
{
  sNumero = new String( Numero );
  iPos    = 0;

  // Verifica se possui o ponto decial para converte para vigula
  iPos = sNumero.indexOf( "." );
  if ( iPos != -1 )
  {
    sNumero = sNumero.slice( 0, iPos ) + "," +
           sNumero.slice( iPos + 1, iPos + 3 );
  }

  // Verifica se existe a necessidade de incluir zeros nas casas decimais
  iLen = sNumero.length;
  iPos = ( sNumero.indexOf( "," ) + 1 );

  if ( iPos == 0 )
  {
    sNumero = sNumero + ",00";
  }
  else if ( ( iLen - iPos ) == 0 )
  {
    sNumero = sNumero + "00";
  }
  else if ( ( iLen - iPos ) == 1 )
  {
    sNumero = sNumero + "0";
  }

  // Verifica as casas de milhares e milhões
  iLen = sNumero.length;

  if( iLen > 6 )
  {
    sNumero = sNumero.slice( 0, iLen - 6 ) + "." +
           sNumero.slice( iLen - 6 );
  }
  if( iLen > 9 )
  {
    sNumero = sNumero.slice(0, iLen - 9) + "." +
           sNumero.slice(iLen - 9);
  }

  return( sNumero );
}