/* set the mouse pointer (focus) to the quantity field: there are two quantity fields, but only one is rendered */
if ( document.getElementById("productConfig:ID_QUANTITY") == null ) {
	if ( document.getElementById("productConfig:ID_QUANTITY2") != null ) {
		document.forms['productConfig'].elements['productConfig:ID_QUANTITY2'].focus();
	}
}
else {
	document.forms['productConfig'].elements['productConfig:ID_QUANTITY'].focus();
}