[Yen]

clientr.items="Training Sword",weapons/sword/trainingsword,1,"Potion of Life",items/lifepotion,31

clientr.muditem_Training Sword="Training Sword",zod-trainingsword.png,zodsword3.png,...
clientr.muditem_Potion of Life=blah

When you log on or pick up an item, it loads all of your item's variables from the server.
clientr.items is a list of items you have in your possession, it references the systems to the proper string and holds quantity.