String instMetString = getWorkflowInstMet(inst, metInstanceFilePath);
item.add(new Label("inst_met_display", instMetString));
ResourceReference imgRef = new ResourceReference(WorkflowInstancesViewer.class,
"percentImage.png");
imgRef.bind(getApplication());
String resRefString = getRequestCycle().urlFor(imgRef, new ValueMap()).toString();
item.add(new Label("winst_display", "display('" + resRefString
+ "', 'winst_" + inst.getId() + "_progress', "
+ getPctComplete(inst, lifecycleFilePath) + ", 1);").setEscapeModelStrings(false));