[removed] How can I set the cursor during a drag & drop operation on a website?

Question

I am developing a Chrome browser extension that allows a drag & drop kind of operation everywhere on the page. However, while the user performs this operation the cursor

Answer 1

Simply override the "dragstart" message handler as well as the "selectstart"... While in the function cancel the event...

<script type="text/ecmascript">
window.addEventListener("dragstart", function(fEventObject){ CancelEvent(fEventObject); } );
window.addEventListener("selectstart", function(fEventObject){ CancelEvent(fEventObject); } );

function CancelEvent(fEventObject) 
{
   if (fEventObject.preventDefault) fEventObject.preventDefault();
   if (fEventObject.cancel != null) fEventObject.cancel = true;
}

</script>

Answer 2

Could you add a css class to the body tag, that sets the cursor, then remove than class on drop?