var selected_itemid_1 = "";
var selected_itemid_2 = "";
var selected_itemid_3 = "";

function setimage(obj, type, anyway){
    if ((type != "r") && (type != "b") && (type != "g")) type = "b";
    if (obj)
        if (((obj.id != selected_itemid_1)&&
            (obj.id != selected_itemid_2)&&
            (obj.id != selected_itemid_3))||(anyway))
            obj.src = "images/nav/" + obj.id + "_" + type + ".gif";
}
function init(){
    setimage(document.getElementById(selected_itemid_1), "r", true);
    setimage(document.getElementById(selected_itemid_2), "r", true);
    setimage(document.getElementById(selected_itemid_3), "r", true);
}
/*
function selectit(obj){
    if (obj){
        if (obj.id.length > 0){
            if ((obj.id.charAt(0) == 1)||((obj.id.charAt(0) == 'e') && (obj.id.charAt(2) == 1))){
                if ((selected_itemid_1 == "")||(selected_itemid_1 != obj.id)){
                if ((obj.id != "1_2")&&(obj.id != "e_1_2")){
                    setimage(document.getElementById(selected_itemid_2), "b", true);
                    selected_itemid_2 = "";
                    $("#navigation-2").css("display", "none");
                    setimage(document.getElementById(selected_itemid_3), "b", true);
                    selected_itemid_3 = "";
                    $("#navigation-3").css("display", "none");
                }
                else{
                    $("#navigation-2").css("display", "block");
                }
                    
                setimage(document.getElementById(selected_itemid_1), "b", true);
                setimage(document.getElementById(obj.id), "r", false);
                selected_itemid_1 = obj.id;
                }
            }
            if ((obj.id.charAt(0) == 2)||((obj.id.charAt(0) == 'e') && (obj.id.charAt(2) == 2))){
                if (selected_itemid_2 != obj.id){
                    if ((obj.id != "2_1")&&(obj.id != "e_2_1")){
                        setimage(document.getElementById(selected_itemid_3), "b", true);
                        selected_itemid_3 = "";
                        $("#navigation-3").css("display", "none");
                    }
                    else{
                        $("#navigation-3").css("display", "block");
                    }
                
                    setimage(document.getElementById(selected_itemid_2), "b", true);
                    setimage(document.getElementById(obj.id), "r", false);
                    selected_itemid_2 = obj.id;
                }
            }
            if ((obj.id.charAt(0) == 3)||((obj.id.charAt(0) == 'e') && (obj.id.charAt(2) == 3))){
                if (selected_itemid_3 != obj.id){
                    setimage(document.getElementById(selected_itemid_3), "b", true);
                    setimage(document.getElementById(obj.id), "r", false);
                    selected_itemid_3 = obj.id;
                }
            }
        }
    }
}
*/