+extern cvar_t scr_conalphafactor;
+extern cvar_t scr_conalpha2factor;
+extern cvar_t scr_conalpha3factor;
+extern cvar_t scr_conscroll_x;
+extern cvar_t scr_conscroll_y;
+extern cvar_t scr_conscroll2_x;
+extern cvar_t scr_conscroll2_y;
+extern cvar_t scr_conscroll3_x;
+extern cvar_t scr_conscroll3_y;