Well, these arrays are actually pixel data from DICOM images. When i just send them as an array (size 100) of pixel arrays (each about 1mb) it overloads the browser quite obviously. Being a newbie to programming, i would appreciate being pointed in the right direction to start working on economically loading large files , i.e., image-stacks into browser window , preferably dynamically. Apologies if the query is not clearWell, these arrays are actually pixel data from