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<cfscript>
function FCKeditor_IsCompatibleBrowser()
{
	sAgent = lCase( cgi.HTTP_USER_AGENT );
	isCompatibleBrowser = false;

// check for Internet Explorer ( >= 5.5 )
	if( find( "msie", sAgent ) and not find( "mac", sAgent ) and not find( "opera", sAgent ) )
	{
		// try to extract IE version
		stResult = reFind( "msie ([5-9]\.[0-9])", sAgent, 1, true );
		if( arrayLen( stResult.pos ) eq 2 )
		{
			// get IE Version
			sBrowserVersion = mid( sAgent, stResult.pos[2], stResult.len[2] );
			if( sBrowserVersion GTE 5.5 )
				isCompatibleBrowser = true;
		}
	}
	// check for Gecko ( >= 20030210+ )
	else if( find( "gecko/", sAgent ) )
	{
		// try to extract Gecko version date
		stResult = reFind( "gecko/(200[3-9][0-1][0-9][0-3][0-9])", sAgent, 1, true );
		if( arrayLen( stResult.pos ) eq 2 )
		{
			// get Gecko build (i18n date)
			sBrowserVersion = mid( sAgent, stResult.pos[2], stResult.len[2] );
			if( sBrowserVersion GTE 20030210 )
				isCompatibleBrowser = true;
		}
	}
	else if( find( "opera/", sAgent ) )
	{
		// try to extract Opera version
		stResult = reFind( "opera/([0-9]+\.[0-9]+)", sAgent, 1, true );
		if( arrayLen( stResult.pos ) eq 2 )
		{
			if ( mid( sAgent, stResult.pos[2], stResult.len[2] ) gte 9.5)
				isCompatibleBrowser = true;
		}
	}
	else if( find( "applewebkit", sAgent ) )
	{
		// try to extract Gecko version date
		stResult = reFind( "applewebkit/([0-9]+)", sAgent, 1, true );
		if( arrayLen( stResult.pos ) eq 2 )
		{
			if( mid( sAgent, stResult.pos[2], stResult.len[2] ) gte 522 )
				isCompatibleBrowser = true;
		}
	}
	return isCompatibleBrowser;
}
</cfscript>