[FIX] Fix ugly display in room map in IE7
[FIX] Fix ugly display in room map in IE7

mvidalgarcia/indico,indico/indico,DirkHoffmann/indico,DirkHoffmann/indico,mic4ael/indico,pferreir/indico,pferreir/indico,mvidalgarcia/indico,OmeGak/indico,ThiefMaster/indico,OmeGak/indico,OmeGak/indico,pferreir/indico,DirkHoffmann/indico,ThiefMaster/indico,indico/indico,ThiefMaster/indico,mvidalgarcia/indico,DirkHoffmann/indico,mvidalgarcia/indico,OmeGak/indico,mic4ael/indico,indico/indico,mic4ael/indico,mic4ael/indico,pferreir/indico,ThiefMaster/indico,indico/indico