function jsUpdateCart() {
  var parameter_string = '';
  allNodes = document.getElementsByClassName("process");
  for(i=0; i < allNodes.length; i++){
    var tempid = allNodes[i].id;
    var temp = new Array;
    temp = tempid.split("_");
    var real_id=temp[2];
    var real_value=allNodes[i].value;
    parameter_string += real_id +':'+real_value+',';
  }

  var params = 'ids='+parameter_string;
  var ajax = new Ajax.Updater(
  'ajax_msg', '/index.php/welcome/ajax_cart',
    {method:'post',parameters:params,onComplete:showMessage}
  );
}

function showMessage(req) {
  $('ajax_msg').innerHTML = req.responseText;
  location.reload(true);
}

function jsRemoveProduct(id) {
  var params = 'id='+id;
  var ajax = new Ajax.Updater(
    'ajax_msg', '/index.php/welcome/ajax_cart_remove',
    {method:'post',parameters:params,onComplete:showMessage}
  );
}