// this script updateds the aircraft thumbnail image; var myLock = true; var myTimer; var myTimer1; var buffer1; var buffer2; var buffer3; var buffer4; var oldimg; function showPreview(img,w,h) { var newPage //---> check if not busy if (myLock == true) { //---> set busy flag myLock = false; //---> normalyse image size if (w == 32) { w1=w h1=h } else { rw=135/w rh=80/h if (rw < rh) {rh = rw} w1=Math.floor(w*rh) h1=Math.floor(h*rh) } //---> preload image preimage = new Image(w,h); preimage.src = img; //---> concruct the HTML source for Preview newPage ="\n\n"; newPage += "\n"; newPage += "\n"; newPage += "\n"; newPage += "\n"; newPage += "

"; newPage += "

\n\n"; //---> show page in Preview frame what=parent.frames[1].document; what.open(); what.write(newPage); what.close(); //---> set timer for unlocking the Preview rewriting and checking the buffer myTimer = setTimeout('myLock = true; checkBuffer()',200); //clean the buffer buffer1 = 0; } else { //---> if busy - save parameters in the buffer buffer1 = img buffer3 = w buffer4 = h } return; } function checkBuffer() { // Try to reload Preview frame - but only if buffer is not empty // this happens when cursor rolled over link while Preview was in th process of redrawing if (buffer1 != 0) { showPreview(buffer1,buffer3,buffer4); } return; }