Calling Excel 2007 via VBscript in GRasshopper

Hi Im having troubles in calling Excel ver 2007 into grasshopper. It simply does not read data. I am wondering if there is a compatibility problem with Excel2007!
WHat is it the right syntax?
Im using this http://en.wiki.mcneel.com/default.aspx/McNeel/RsExcel
and http://liquidtectonics.blogspot.com/2009_01_01_archive.html