Set the pressed item/subitem using dm_ext_setPressedItem () function.

function dm_ext_setPressedItem (menuInd, submenuInd, itemInd, recursion)
Sets a current pressed item.
menuInd - index of a dynamic menu on a page, >= 0.
submenuInd - index of a submenu, >= 0.
itemInd - index of an item, >=0.
recursion = true/false - highlight parent items.

For example lets highlight "Samples" item in the upper menu. To do it you should call
dm_ext_setPressedItem () function with the following parameters:
dm_ext_setPressedItem (0,0,2,1);
Highlight "Samples" item.

Define this function on each page before you call data file:
<script type="text/javascript">
    onload=setPressed;
    function setPressed()
    {
        dm_ext_setPressedItem (0,0,2,1);
    }
</script>
<script type="text/javascript" src="menudir/data.js"> </script>


To highlight "Product Info/Installation/Description of Files" item you should call dm_ext_setPressedItem () function with the following parameters:
dm_ext_setPressedItem (0,2,0,1);
Highlight "Product Info/Installation/Description of Files" item.

To highlight "Samples/Sample 5" item you should call dm_ext_setPressedItem () function with the following parameters:
dm_ext_setPressedItem (0,4,4,1);
Highlight "Samples/Sample 5" item.