CRELOADED CACHE DB CONNECTION

HERE IS, I HAVE CRELOADED WORKING FOR MULTI STORES BUT I NEED HELP WITH THE FOLLOWING: I NEED TO CACHE THE DB INFO AFTER GETTING THE MYSQL DB CONNECTION STRING FROM A MAIN DATABASE LET SAYS, I HAVE A MAIN DB AND 2 DB FOR 2 DIFFERENT STORES, IF I REDIRECT FROM STORE 1 TO MAIN STORE WHERE ALL THE FILES ARE STORED THAT SCRIPT TILL GET THE DB CONNECTION STRING FOR STORE 1 AND SO ON FOR THE OTHER STORES, THE IDEA IS TO USE ONE SET OF FILES INSTALL IN ONE DOMAIN NAME AND HAVE SUBDOMAIN WITH DIFERENT STORES AND DIFERENT DATABASES, IT IS WORKING FIND UNTIL THE REDIRECTION. I NEED HELP WITH: CACHING THE CURRENT DB CONNECTION GATHER BY REQUESTED STORE (1 OR 2) AND THEN KEEP SUCH CONNECTION ALIVE IN CURRENT CLIENT BROWSER SO SUCH CLIENT WILL SEE STORE 1 OR STORE 2 INDEPENDELY STORE1: HAVE ITS OWN DB STORE2: HAVE ITS OWN DB MAIN DOMAIN: ALL CRELOADED FILES AND MAIN DATABASE WITH STORE 1 AND 2 DB INFO THANKS