How to get event on click in one table cell.

[arnold-b]

Hi,
finnaly i have a lot references in my table. but the problem is, that i always need to click on the text even the cell is mutch bigger:

itemno: {
title: 'ItemNo',
lng:'t',
width:"2%",
key: true,
create: false,
edit: true,
list: true,
display: function(data) {
var $item = data.record.itemno;
return '<a lng="t" href#"" onclick=searchItem('+$item+',"itemno");>'+$item+'';
},