If you see a little red error message in Internet Explorer (Can't use Chrome), or the following screenshot, you need to add an exception to the Java control panel to allow this site to work.
Click the Start button > type: Control Panel
Change View by: to Large Icons (top right)
Open the Java applet as shown below:
Choose the Security tab and using the Edit Site List... button, Add the site https://imagenow.senecaco.com:8443 and it will look like what is shown below, then hit OK:
The next time you go to WebNow, just check the box and answer the prompt selecting Run: