facebook old xd_receiver.js resize hack.

facebook_oldxhr_hack.js

        var pos = document.location.hash.search( /setCanvasHeight/ )
        if( pos >= 0 ){
            hashvpos = document.location.hash.search( /setCanvasHeight%22%2C%22([0-9]+)px/ );
            crop = document.location.hash.substring(hashvpos+24);
            pxpos = crop.search("px");
            heighthack = crop.substring( 0, pxpos );
            if( heighthack > 300 ){
                newv = document.location.hash.replace( "setCanvasHeight%22%2C%22"+heighthack, "setCanvasHeight%22%2C%22300" );
                document.location.hash = newv;
            }
        }