dhtmlxtree problem in IE 7and 8

When we expand all nodes of a dhtmlxtree and then collapse just few of child nodes and then main the parent node.Tree drops from its original location .I tried replicating it in the dhtmlx.com site itself and I was successful.
dhtmlx.com/docs/products/dhtmlxT … close.html
Please check the screenshot attached.(Not able to attach images .)

Works fine for Chrome and Mozilla.
Looking Forward for help.

Hi Guys,

Please help me on this .

Thanks in advance.

Unfortunately your issue is not very clear.
Couldn’t you explain it in the other words or with some screenshots.