JavaScript for disabling menu options under SharePoint List Actions menu

Below JavaScript can be used to disable menu options under SharePoint List Actions menu.

<script type="text/javascript">

function GetElementByText(tagName, title)

{

var a = document.getElementsByTagName(tagName);

for (var i=0; i < a.length; i++)

{

if (a.item(i).text)

{

if (a.item(i).text == title)

{

return a.item(i);

}

}

}

return null;

}

function hideMenuItems()

{

/*var o = GetElementByText("ie:menuitem","New Item");

if (o)

{

o.disabled = true;

}*/

var o = GetElementByText("ie:menuitem","Edit in Datasheet");

if (o)

{

o.disabled = true;

}

var o = GetElementByText("ie:menuitem","View RSS Feed");

if (o)

{

o.disabled = true;

}

var o = GetElementByText("ie:menuitem","Alert Me");

if (o)

{

o.disabled = true;

}

}

_spBodyOnLoadFunctionNames.push("hideMenuItems");

</script>