$(document).ready(function() {

    //Close all Filter options
    $(".filter_option_e").hide();

    //Toggle selected option open and closed
    $(".filter_vis").click(function(evt) {
        var ef_target = $(evt.target).parent().next(".filter_option_e");

        $(".filter_option_e").each(function(i, tgt) {

            var colour = 'Orange';
            if ($(".filter_data").children("a:first").attr('class').indexOf('Blue') > 0) {
                colour = 'Blue'
            }
            
            if ($(tgt).html() == ef_target.html()) {
                $(tgt).animate({ opacity: "show", height: "show" }, "slow");
                $(tgt).prev(".filter_data").children("a").removeClass(("closed"+colour));
                $(tgt).prev(".filter_data").children("a").addClass(("open"+colour));
            }
            else {
                $(tgt).animate({ opacity: "hide", height: "hide" }, "slow");
                $(tgt).prev(".filter_data").children("a").removeClass(("open"+colour));
                $(tgt).prev(".filter_data").children("a").addClass(("closed"+colour));
            }
        });
    });

    //Open first filter option
    $(".filter_vis").eq(0).click();




});