FireFox dhtmlxtree javascript error

I have implemented the dhtmlxtree in vb.net. When I open the page in IE, it works fine. When I open the page in FireFox, I get a javascript error that says: “this.parentObject has no properties” Line 63 in dhtmlxtree.js. My code follows:





































Any idea what is going on?

In FF you must preserve case of ID attribute and value used in tree constructor
Currently you have

                <div id="treeBox"
dhtmlXTreeObject(“treebox”,

which is not equal in case of FF

Thank you, that worked perfectly.