problem with Apostrophe

Hi all I have got as problem with Apostrophe on my site everytime I use a Apostrophe a slash will appear can some help, the site in php and working with a database (which seems to cause this issue) can see what I mean here the slash appear on the top bar
Many thanks

hmmmm let me use my powers of intuition and guess your site name so I can see this magical apostrophe.....