$(document).ready(function(){
$("#autoComplete").autocomplete("/addit/addit.php",
{
minChars: 2,
cacheLength: 10,
onItemSelect: selectItem,
onFindValue: findValue,
formatItem: formatItem,
 autoFill: false
 });
});

function selectItem(li) {
    findValue(li);
}

function findValue(li) {
    if( li == null ) return alert("No match!");

// if coming from an AJAX call, let's use the product id as the value
    if( !!li.extra ) var sValue = li.extra[0];

    // otherwise, let's just display the value in the text box
else var sValue = li.selectValue;

alert("The value you selected was: " + sValue);
}

function formatItem(row) {
    if(row[1] == undefined) {
        return row[0];
    }
    else {
        return row[0] + " (id: " + row[1] + ")";
    }
}