
	  // create the canvas for the user interaction
	  //
	  var canvas = new draw2d.Canvas("gfx_holder");

      // and install a customized ConnectionCreatePolicy into the canvas
      // Use a router wich adds a "bridge" on each connection crossing
      //
      canvas.installEditPolicy(  new draw2d.policy.connection.DragConnectionCreatePolicy({
         createConnection: function(){
            var c = new draw2d.Connection();
            c.setOutlineColor("#00A8F0");
            c.setOutlineStroke(1);
 