function cpcon(welches) { 
   if(document.getElementById(welches).style.display == 'none') { 
     document.getElementById(welches).style.display = ''; 
     document.getElementById('cpimg'+welches).src = '/warzone/fx/colpic/open.png'; 
   }else{ 
     document.getElementById(welches).style.display = 'none'; 
     document.getElementById('cpimg'+welches).src = '/warzone/fx/colpic/closed.png'; 
   } 
 }