$(document).ready(function() {
    var imglist = $(".greyarrow[id$='_expander'], .openbutton[id$='_expander']");

    $(imglist).addClass("jqbutton");


    $(imglist).click(function() {
        //get menu id
        var menuid = $(this).attr("id").substring(0, $(this).attr("id").length - 9) + "_submenu_items";

        $("#" + menuid).slideToggle(200);

        //   window.alert($(this).attr("src").indexOf("minussign"));

        if ($(this).attr("src").indexOf("red_arrow") >= 0) {
            $(this).attr("src", "/images/icon_grey_arrow.png");
        }
        else if ($(this).attr("src").indexOf("grey_arrow") >= 0) {
            $(this).attr("src", "/images/icon_vertical_red_arrow.png");
        }
        else if ($(this).attr("src").indexOf("plussign") >= 0) {
            $(this).attr("src", "/images/global_icon_minussign.png");
        }
        else if ($(this).attr("src").indexOf("minussign") >= 0) {
            $(this).attr("src", "/images/global_icon_plussign.png");
        }

    });
});