public function RemoveCssClass($strCssClassName)
{
$strNewCssClass = '';
$strCssClassName = trim($strCssClassName);
foreach (explode(' ', $this->strCssClass) as $strCssClass) {
if ($strCssClass = trim($strCssClass)) {
if ($strCssClass != $strCssClassName) {
$strNewCssClass .= $strCssClass . ' ';
}
}
}
$this->CssClass = trim($strNewCssClass);
}