nl_tokens: function for adding vendor prefixes
pl_tokens: function crossBrowser ( property , value , prefix ) { function ucase ( string ) { return string . charAt ( 0 ) . toUpperCase ( ) + string . slice ( 1 ) ; } var vendor = [ 'webkit' , 'moz' , 'ms' , 'o' ] , <mask> = { } ; for ( var i = 0 ; i < vendor . length ; i ++ ) { if ( prefix ) { value = value . replace ( prefix , '-' + vendor [ i ] + '-' + prefix ) ; } properties [ ucase ( vendor [ i ] ) + ucase ( property ) ] = value ; } properties [ property ] = value ; return properties ; }