function addToCart(p,n) {
  window.location = "/addToCart.php?p="+p+"&q="+n;
}

function doUpdate() {
  var ct = $('item_number');
  var params = "";
  for (j=1; j<=ct.value; j++) {
    params +=   ($('item_description_'+j).value)+"="+($('item_quantity_'+j).value)+"&"  ;
  }
    var req = new Request({
      method: "post",
      url: "updateCart.php",
      onSuccess: function(txt) {
       window.location = window.location;
      }
    }).send(params);
  
}

function doAlphaJump(q) {
  var aJ = document.getElementById('alphaJump');
  var offset = aJ.options[aJ.selectedIndex].value;
  var myUrl = window.location;
  /*
  var loc = url.substring(0,myUrl.indexOf('?'));
  window.location = loc+q+"&offset="+offset;
  */
  alert(myUrl.indexOf('?'));
}