Passing values using OpenDocument

I am using the following URL to open a document. The document opens and refreshes but the values in the URL are not passed. The report opens and displays the prompt.

http://servername/businessobjects/enterprise115/desktoplaunch/opendoc/openDocument.jsp?sType=wid&iDocID=459743&sRefresh=Y&lsSShipTo:=(16150)