veEventListener( "click",     clickHandler, true );

  }

} else {

  // If a Microsoft IE based browser implement this function

  WebBrowser.prototype.setMouseCapture = function( node, clickHandler, downHandler, moveHandler, upHandler ) {

   node.setCapture();
   if( clickHandler)
	   node.attachEvent( "onclick", clickHandler );
		 
   if( downHandler)
     node.attachEvent( "onmousedown", downHandler );
		 
   if( moveHandler )
	   node.attachEvent( "onmousemove", moveHandler );
		 
   if( upHandler )
	