Sometimes it is just irritating when a web site uses javascript to disable your right-click, attempting to block you to access the context menu. Tech-Recipes has a good tips on re-enabling the right-click context menu on this situation. You can a javascript to re-enable it:
When visiting the offending website, type the following into the URL bar of your browser:
javascript:void(document.oncontextmenu=null)
Re-Enable Right-Click When Web Pages Turn It Off – [Tech-Recipes]
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