public function setIndentLevel($level)
    {
        $level = intval($level);
        if (0 <= $level) {
            $this->_indentLevel = $level;
        }
        return $this;
    }
public function setIndentLevel($level)
    {
        $level = intval($level);
        if (0 <= $level) {
            $this->_indentLevel = $level;
        }
        return $this;
    }
public function setIndentLevel ( $ level ) { $ level = intval ( $ level ) ; if ( 0 <= $ level ) { $ this -> _indentLevel = $ level ; } return $ this ; }
Sets the indentation level

@param    int
@return   HTML_Common2
Sets the indentation level