function redirectToSearch(searchString)
{
    if (searchString != '')
        document.location.href = '/search.aspx?search=' + searchString;
}

$(document).ready(function(){	
	$('#btnSearch').click(function(){redirectToSearch($("#txtSearch:input").val());return false;});
	$(".search-form:input").keypress(function(e){
            if (e.which == 13) 
            {
                redirectToSearch($(this).val());
                return false;
            }}); 
});