var opts = {
//initLetter: '',
includeAll: true,
flagDisabled: true,
noMatchText: 'Nothing matched your filter, please click another letter.',
selectedClass: 'ln-selected',
showCounts: false
};

var sort_order = [];
var col;
function sort_me(id, other_sort_columns) {
    sort_order[id] = sort_order[id] == "desc" ? "asc" : "desc";
    $("ul#companies_listing>li").tsort("span[id=" + id + "]", {order: sort_order[id]});
    document.getElementById(id + '_sort').src = "/resource_center/sites/all/themes/resource_center/images/nav-arrow-" + sort_order[id] + ".gif";
    $('div.listing-header span#header_' + id).removeClass("table_header");
    $('div.listing-header span#header_' + id).addClass("table_header_selected");
    for (col in other_sort_columns){
        document.getElementById(other_sort_columns[col] + '_sort').src = "/resource_center/sites/all/themes/resource_center/images/nav-arrow-unsorted.gif";
        $('div.listing-header span#header_' + other_sort_columns[col]).removeClass("table_header_selected");
        $('div.listing-header span#header_' + other_sort_columns[col]).addClass("table_header");
    }
}