ScreenWidth(IE1024,IE800,IE1152,IEother)}ScreenWidth(Firefox1024,Firefox800,Firefox1152,Firefoxother)}function ScreenWidth(CSS1,CSS2,CSS3,CSS4){if ((screen.width == 1024) &&(screen.height == 768)){setActiveStyleSheet(CSS1);}else{if ((screen.width == 800) &&(screen.height == 600)){setActiveStyleSheet(CSS2);}else{if ((screen.width == 1152) &&(screen.height == 864)){setActiveStyleSheet(CSS3);}else{setActiveStyleSheet(CSS4);