Assuming you have copied a link like the one below from the top of your browser:-
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=300122275368Above the word SIZE and to right of the word Message is an icon that looks like the link in a chain.....
.... click on the chain icon and a box will appear for you to paste the Ebay link into.
After clicking on OK a box will appear for you to give the link a name such as Here, This or Link.
I'm going to type A1200 on Ebay in the box and then click on OK.
Here is the result
A1200 on Ebay:pint: