var Search = {
    searchSite: function() {
        document.getElementById("MsnSearchDomainHiddenField").value = document.getElementById("DomainHiddenField").value;
    },

    searchWeb: function() {
        document.getElementById("MsnSearchDomainHiddenField").value = "";
    }
}

$(document).ready(function() {
    $("#SearchSiteButton").click(function() {
        Search.searchSite();
        return true;
    });
    $("#SearchWebButton").click(function() {
        Search.searchWeb();
        return true;
    });
});