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    <p>could you not just keep a running index?</p> <pre><code>var _selectIndex = 0; ...code... var newSelectBox = document.createElement("select"); newSelectBox.setAttribute("id","select-"+_selectIndex++); </code></pre> <p><strong>EDIT</strong></p> <p>Upon further consideration, you may actually prefer to use array-style names for your selects...</p> <p>e.g.</p> <pre><code>&lt;select name="city[]"&gt;&lt;option ..../&gt;&lt;/select&gt; &lt;select name="city[]"&gt;&lt;option ..../&gt;&lt;/select&gt; &lt;select name="city[]"&gt;&lt;option ..../&gt;&lt;/select&gt; </code></pre> <p>then, on the server side in php for example:</p> <pre><code>$cities = $_POST['city']; //array of option values from selects </code></pre> <p><strong>EDIT 2</strong> In response to OP comment</p> <p>Dynamically creating options using DOM methods can be done as follows:</p> <pre><code>var newSelectBox = document.createElement("select"); newSelectBox.setAttribute("id","select-"+_selectIndex++); var city = null,city_opt=null; for (var i=0, len=cities.length; i&lt; len; i++) { city = cities[i]; var city_opt = document.createElement("option"); city_opt.setAttribute("value",city); city_opt.appendChild(document.createTextNode(city)); newSelectBox.appendChild(city_opt); } document.getElementById("example_element").appendChild(newSelectBox); </code></pre> <p>assuming that the <code>cities</code> array already exists</p> <p>Alternatively you could use the innerHTML method.....</p> <pre><code>var newSelectBox = document.createElement("select"); newSelectBox.setAttribute("id","select-"+_selectIndex++); document.getElementById("example_element").appendChild(newSelectBox); var city = null,htmlStr=""; for (var i=0, len=cities.length; i&lt; len; i++) { city = cities[i]; htmlStr += "&lt;option value='" + city + "'&gt;" + city + "&lt;/option&gt;"; } newSelectBox.innerHTML = htmlStr; </code></pre>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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