/* Drag and drop script by Paul Anderson, copyright 2001 CNET Builder.com. */

  var dragOn=0
  var dragDiv=null;
  var dragX=0,dragY=0;
  var zMax=0;
  var dragInit=0;

  function initDrag() {
  if (document.layers) document.captureEvents(Event.MOUSEMOVE|Event.MOUSEDOWN|Event.MOUSEUP);
  document.onmousemove=dragf;
  document.onmousedown=dragf;
  document.onmouseup=dragf;
  dragDiv=null;
  dragInit=1;
  if (document.getElementsByTagName) zMax=document.getElementsByTagName("DIV").length;
  else if (document.all) zMax=document.body.all.tags("DIV").length;
else if (document.layers) zMax=document.layers.length;
  }

  function dragf(arg) {
  ev=arg?arg:event;
  if (dragDiv && ev.type=="mousedown") {
          dragOn=1;
          dragX=(ev.pageX?ev.pageX:ev.clientX)-parseInt(dragDiv.style.left);
          dragY=(ev.pageY?ev.pageY:ev.clientY)-parseInt(dragDiv.style.top);
          dragDiv.style.zIndex=zMax++; // remove this line to preserve z-indexes
          return false;
          }
  if (ev.type=="mouseup") {
          dragOn=0;
          }
  if (dragDiv && ev.type=="mousemove" && dragOn) {
          dragDiv.style.left=(ev.pageX?ev.pageX:ev.clientX)-dragX;
          dragDiv.style.top=(ev.pageY?ev.pageY:ev.clientY)-dragY;
          return false;
          }
   if (ev.type=="mouseout") {
          if (!dragOn) dragDiv=null;
          }
  }

  function drag(div) {
  if (!dragInit) initDrag();
  if (!dragOn) {
          dragDiv=document.getElementById?document.getElementById(div):document.all?document.all[div]:document.layers?document.layers[div]:null;
          if (document.layers) dragDiv.style=dragDiv;
          dragDiv.onmouseout=dragf;
          }
  }