Hide excel/xml/csv output options in cognos viewer using java script

create HTML item in header/footer of the report and copy and paste the following code
<script language=”JavaScript”>
var y=getFormWarpRequest().elements["cv.id"];
// RS means it has been launched from Report Studio
// _NS_ means it has been launched from Cognos Connection
if(y.value == “RS”) {
window.oCVRS.rvMainWnd.setToolbar(
{
“namespace”:”RS”,
“divId”:”CVToolbarRS”,
“style”:”toolbar”,”S”:[
{"P":
{"Y":"vertical_line"}
},
{"P":
{"Y":"vertical_line"}
},
{"P":
{"Y":"vertical_line"}
},
{"P":
{"Y":"vertical_line"}
},
{"B":
{"N":"runIn",
"ALT":"Change report format",
"M":
{"id":"runInwindow.oCVRS",
"Y":"dropDown",
"IS":[
{"I":
{"N":"viewInHTML",
"A":"window.oCVRS.getRV().viewReport(\'HTML\');",
"E":"View in HTML Format",
"C":"/ibmcognos/rv/images/action_view_html.gif"}
},
{"I":
{"N":"viewInPDF",
"A":"window.oCVRS.getRV().viewReport(\'PDF\');",
"E":"View in PDF Format",
"C":"/ibmcognos/rv/images/action_view_pdf.gif"}
}
]
}
}
},
{“P”:
{“Y”:”vertical_line”}
},
{“B”:
{“N”:”openWith”,
“M”:
{“id”:”openWithwindow.oCVRS”,
“Y”:”dropDown”,
“H”:”true”,
“IS”:[]}
}
}
]
}
);
}else{
window.oCV_NS_.rvMainWnd.setToolbar(
{“namespace”:”_NS_”,
“divId”:”CVToolbar_NS_”,
“style”:”toolbar”,
“S”:[
{"P":
{"Y":"vertical_line"}
},
{"P":
{"Y":"vertical_line"}
},
{"P":
{"Y":"vertical_line"}
},
{"P":
{"Y":"vertical_line"}
},
{"B":
{"N":"runIn",
"ALT":"Change report format",
"M":
{"id":"runInwindow.oCV_NS_",
"Y":"dropDown",
"IS":[
{"I":
{"N":"viewInHTML",
"A":"window.oCV_NS_.getRV().viewReport(\'HTML\');",
"E":"View in HTML Format",
"C":"/ibmcognos/rv/images/action_view_html.gif"}
},
{"I":
{"N":"viewInPDF",
"A":"window.oCV_NS_.getRV().viewReport(\'PDF\');",
"E":"View in PDF Format",
"C":"/ibmcognos/rv/images/action_view_pdf.gif"}
}
]
}
}
},
{“P”:
{“Y”:”vertical_line”}
},
{“B”:
{“N”:”openWith”,
“M”:
{“id”:”openWithwindow.oCV_NS_”,
“Y”:”dropDown”,
“H”:”true”,
“IS”:[]}
}
}
]
}
);
}
</script>