vector expandingbox_resize_centered_box_offset(float sz, vector boxsize, float boxxsizefactor);
+float blink_synced(float base, float range, float freq, float start_time, int start_blink);
float blink(float base, float range, float freq);
void drawborderlines(float thickness, vector pos, vector dim, vector color, float theAlpha, float drawflag);