Hide Save button on Multipage Survey Page

To hide save button on mutipage survey following javascript can be used. Insert following javascript block within PlaceHolderMain after <asp:Content ContentPlaceHolderId="PlaceHolderMain" runat="server"> line of NewForm.aspx & EditForm.aspx page of the Survey

<script type="text/javascript" >

_spBodyOnLoadFunctionNames.push('hideSave');

function hideSave()

{

var tags=document.getElementsByTagName('input');

alert(tags.length);

for(var i=1; i<tags.length; i++)

{

if(tags[i].value=='Save')

{

tags[i].style.visibility='hidden';

}

}

}

</script>