returns the HTMLDivElement object of the container control.
Parameters:
myForm = new dhtmlXForm("myForm", [{type: "container", name: "myGrid", label: "Select Product", inputWidth: 330, inputHeight: 200}]); var container = myForm.getContainer("myGrid")
To use the control you must include one extra file dhtmlxform_item_container.js:
<script src="../../codebase/ext/dhtmlxform_item_container.js"></script>