source: BMXNET_RPMS_dotNET_UTILITIES-BMX/branch/BMX41000/IHS BMX Framework/IndianHealthService.BMXNet.GeneratedDocumentation/Help/Scripts/SplitScreen.js

        function SplitScreen (nonScrollingRegionId, scrollingRegionId) {

                // store references to the two regions
                this.nonScrollingRegion = document.getElementById(nonScrollingRegionId);
                this.scrollingRegion = document.getElementById(scrollingRegionId);

                // set the scrolling settings
                document.body.style.margin = "0px";
                document.body.style.overflow = "hidden";
                this.scrollingRegion.style.overflow = "auto";

                // fix the size of the scrolling region
                this.resize(null);

                // add an event handler to resize the scrolling region when the window is resized               
                registerEventHandler(window, 'resize', getInstanceDelegate(this, "resize"));

        }

        SplitScreen.prototype.resize = function(e) {
                var height = document.body.clientHeight - this.nonScrollingRegion.offsetHeight;
                if (height > 0) {
                        this.scrollingRegion.style.height = height;
                } else {
                        this.scrollingRegion.style.height = 0;
                }
                this.scrollingRegion.style.width = document.body.clientWidth;
        }