ComboBoxes with placeholder

HTML

<script src="http://cdn.kendostatic.com/2012.1.322/js/kendo.all.min.js"></script>
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.1.322/styles/kendo.common.min.css">
<link rel="stylesheet" href="http://cdn.kendostatic.com/2012.1.322/styles/kendo.metro.min.css">
<p><input id="suppliers" /></p>
<p>
<input type="text", id="test", class="k-textbox"  />
</p>

JavaScript

$("#suppliers").width(300).kendoComboBox({
    autoBind: true,
    filter: "contains",
    dataTextField: "CompanyName",
    dataValueField: "SupplierID",
    dataSource: {
        type: "odata",
        serverFiltering: true,
        serverPaging: true,
        transport: {
            read: "http://services.odata.org/Northwind/Northwind.svc/Suppliers"
        }
    }
});


$("#suppliers").data("kendoComboBox").input.attr("placeholder", "Enter Company Name");
$("#test").width(300 - 2 * parseInt($("#test").css("borderWidth")));