// JavaScript Document
function manageCart(task,item,seriesId,qty) {
   var url = 'managecart.php';
   
   if(qty == null){
   } else {
	   qty = $F(qty);
   }
   
   var params = 'task=' + task + '&item=' + item + '&seriesId=' + seriesId + '&qty=' + qty;
   var ajax = new Ajax.Updater(
	          {success: 'cartResult'},
              url,
              {method: 'get', parameters: params, onFailure: reportError, onSuccess: refreshFunc});
   
   function refreshFunc(request) {
		if(task == "delete"){
			location.reload(true);
		}
	}
	
	function reportError(request) {
   		$F('cartResult') = "An error occurred";
	}
}