This QuickCode tag checks to see how much of the currently viewed product there is stock.
Must be used in conjunction with ending tag: {IF-PRODUCT-USES-STOCK-END}
{IF-PRODUCT-USES-STOCK-BEGIN}<span class="PRODUCT-PRICE-TITLE">Stock:</span> {PRODUCT-UNITS-IN-STOCK}<br /> {IF-PRODUCT-USES-STOCK-END}