static category links

[dotcommakers]

hello osexperts

 

first have a look at

 

http://getlownow.com/ i am working on this

 

i have create static image buttons for categories see header

 

problem is that when i click on that images [image category links]... products on cart are just gone from cart .. i have noticed one thing is

 

where ever i click on links it shows a extra code like

 

osCid=234sdfsdrwer23423sfsdfsd like thing.. whle its not in my static image links.. what should i do then?