function showLayer(group, id) 
{
    //处理Item
    var count = 1;
    var obj = document.getElementById(group + "_item_" + count);
    var obj2 = document.getElementById(group + "_layer_" + count);
    while (obj != null) {
        if (count == id) {
            obj.className = "current";
            obj2.style.display = "";
        }
        else {
            obj.className = "";
            obj2.style.display = "none";
        }
        count++;
        obj = document.getElementById(group + "_item_" + count);
        obj2 = document.getElementById(group + "_layer_" + count);
    }
   
}
function SetStyle(group, id) {
    var count = 1;
    var obj = document.getElementById(group + "_item_" + count);
    while (obj != null) {
        if (id != count) {

            obj.className = "";
        }
        else {
            obj.className = "current";
        }
        count++;
        obj = document.getElementById(group + "_item_" + count);
    }
}
function SetCwinHeight(){}