function SwitchRow(ParamRowID)
{
  if (document.getElementById(ParamRowID).style.display=='none')
  { document.getElementById(ParamRowID).style.display='block'; }
  else
  { document.getElementById(ParamRowID).style.display='none'; }
}

function OpenPopup(strFile, intWidth, intHeight)
{
  window.open(strFile, 'popupBox', 'toolbar=no,directories=no,location=no,resizable=no,scrollbars=no,status=no,width=' + intWidth + ',height=' + intHeight);
}

function AddToFavorites()
{
  window.external.AddFavorite('http://www.boladecristal.eu/','Bola de Cristal');
}

function LayerShow(ParamLayer)
{
  (document.layers) ? document.layers[ParamLayer].visibility = 'show' : document.all[ParamLayer].style.visibility = 'visible';
}

function LayerHide(ParamLayer)
{
  (document.layers) ? document.layers[ParamLayer].visibility = 'hide' : document.all[ParamLayer].style.visibility = 'hidden';
}

function ValidateLogin()
{
  objForm=document.TheForm;

  if (objForm.inpLoginEMail.value=='' || objForm.inpLoginPassword.value=='')
  {
    alert('Por favor preencha o seu username e password.');
    return false;
  }
  return true;
}

function Currency(valAmount)
{
  valAmount2=Math.round(valAmount*100)/100;
  valAmount2=valAmount2.toString().replace(/,/,'.');
  valAmount=valAmount2;
  valAmount=valAmount.toString();
  arrResult=valAmount.split('.');
  if (arrResult.length==1) return valAmount+',00';
  if (arrResult[1]<10) arrResult[1]=arrResult[1]+'0'
  if (arrResult[1].length>2) arrResult[1]=arrResult[1].substr(0,2)
  return arrResult[0]+','+arrResult[1]
}

function isEmail(ParamString)
{
  return (ParamString.indexOf("@")>0 && ParamString.lastIndexOf(".") > (ParamString.indexOf("@")+2) && ParamString.length > (ParamString.lastIndexOf(".")+2));
}

function SetAsHomepage()
{
  if (navigator.appName=='Netscape')
  {
    netscape.security.PrivilegeManager.enablePrivilege('UniversalPreferencesWrite');
    navigator.preference('browser.startup.homepage', document.location.href);
  }
  else
  {
    oHomePage.setHomePage(document.location.href);
  }
}

function isEmail(ParamString)
{
  return (ParamString.indexOf("@")>0 && ParamString.lastIndexOf(".") > (ParamString.indexOf("@")+2) && ParamString.length > (ParamString.lastIndexOf(".")+2));
}

function QueryString(strParameter)
{
  var intBegin,intEnd;

  if(self.location.search.length>1) objString=self.location.search;
  else
   if(self.location.hash.length>1) objString=self.location.hash;
  else return('');

  if (objString.indexOf(strParameter)==(-1)) return '';
  intBegin=objString.indexOf(strParameter) + strParameter.length+1;
  intEnd=objString.indexOf('&',intBegin);
  if(intEnd==(-1)) intEnd=objString.length;
  return(objString.substring(intBegin,intEnd));
}