question: public static void cacheImgs ( String skinImgDir , Iterable < String > baseImageURLs ) { String skinDir = getSkinDir ( ) ; for ( String img : baseImageURLs ) { img = img . replace ( "[SKINIMG]" , skinDir + "images/" ) ; img = img . replace ( "[SKIN]" , skinDir + skinImgDir ) ; Image . prefetch ( img ) ; } }
target:  Cache a list of images