public function addCSS ($strCSS, $strType='scss', $bolStatic=true)
	{
		if ($strCSS == '')
		{
			return;
		}
		
		$strType = strtoupper($strType);
		
		if (!in_array($strType, array('CSS', 'SCSS' , 'LESS')))
		{
			return;
		}
		
		if (!$bolStatic && $strType == 'css')
		{
			$strKey = substr(md5($strType . $strCSS), 0, 12);
			$strPath = 'assets/css/' . $strKey . '.' . $strType;
			
			// Write to a temporary file in the assets folder
			if (!file_exists($strPath))
			{
				$objFile = new File($strPath, true);
				$objFile->write($strCSS);
				$objFile->close();
			}
			
			// Add the file path to TL_USER_CSS
			$GLOBALS[TL_USER_CSS][] = $strPath;
		
			return;
		}
		// Add to the combined CSS string
		$GLOBALS['TL_CTB_' . $strType] .= $strCSS;
	}