I already have:
mob DblClick() if(src == usr)return // if the source is the user, return. for(var/image/x in usr.client.images) // first, check to see if your have a target. if(x.icon=='target.dmi') /// if so. del(x) // delete it. var/image/I = image('target.dmi',src) // create a new target on the source. usr<<I // make it so only u can see the target usr.target=src // make your target variable source name. usr<<"You target [src]" // tell yourself your you targeted him/her. usr.verbs += /mob/basic/verb/untarget </<i>