function isFloat(value)
{
  // This is a quick srcipt iv written to test for floats
  
  var filter = /^(\[0-9])?[0-9]*(\.[0-9]*)?$/;
  
  if (!filter.test(value))
  {
	  return false;
  }
  
  return true;
}

function addCheck() {
  
  if (document.itemform.title.value == "")
    {
      alert('You must enter a title!');
      return false;
    }
  else if (!isFloat(document.itemform.price.value))
    {
      alert('You must enter a valid trade price');
      return false;
    }
  else if (!isFloat(document.itemform.pub_price.value))
    {
      alert('You must enter a valid public price');
      return false;
    }
  else return true;

}