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        #include "maps/global_scripts/global_common.scr" 
      
       Creates a tripwire that moves back and forth along a path. 
      
       The full explaination of how to setup a tripwire is written up in "Setting 
        Up Tripwires". 
      
       globalTripwire_Setup( basename, thespeed )  
       
         Purpose: 
          To setup and bind together all the objects that make up a tripwire object 
       
      
        Parms: 
        -  basename (string)
 
          The unique targetname indentifier used on the source object. 
           
         
        -  thespeed (float)
 
          The speed with which the tripwire will follow it's path. 
       
       globalTripwire_Run( basename ) 
       
         Purpose: 
          If you desire the tripwire to follow a path comprised of info_notnull's, 
          use this function to start it going along the path. 
       
      
        Parms: 
        -  basename (string)
 
          The unique targetname indentifier used on the source object. 
       
       globalTripwire_Halt( basename ) 
       
         Purpose: 
          If you have a tripwire that is following a path comprised of info_notnull's, 
          use this function to stop it moving along the path. NOTE: you still 
          have to handle the trigger_hurt and the beam once you stop it (either 
          remove them, or make them both hidden and not-solid). 
       
      Parms:
        -  basename (string)
 
          The unique targetname indentifier used on the source object. 
       
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