/*
 * Drop down menu script
 */
var dd_hide_delay = 500;        // Hide menu delay
var dd_show_delay = 200;        // Show menu delay
var dd_options = new Array();   // Menu settings

var dd_timer = new Number(0);
// Broser depend data
var dd_db = document.body || document.documentElement || (document.getElementsByTagName ? document.getElementsByTagName("body")[0] : null);

function dd_getSubMenu(depth)
{
    var id = 'dd_sub_menu_' + depth;
    var s = document.getElementById(id);
    if (s == null)
    {
        s = insertElement(dd_db, 'div', id);
        s.className = 'skin_pop_sub';
        s.style.zIndex = 100 + depth;
        s.style.visibility = "hidden";
        s.style.position = "absolute";
    }
    return s;
}
function dd_showSub(id, x, y)
{
    var l = id.split('_');
    var ls = eval(l[0]);
    for (var i=1;i<l.length;i++)
        ls = ls[l[i]].sub;
    i-=2;
    dd_hideSub(i);
    if (ls)
        dd_drawSubMenu(ls, id, dd_getSubMenu(i), x, y);
}
function dd_hideSub(j)
{
    while(s = document.getElementById('dd_sub_menu_' + j)){
        s.style.visibility = "hidden"; j++;
    }
}
function getSubMenuText(sub, pid)
{
    var l = pid.split('_');
    var o = dd_options[l[0]];
    var s = sub.length;
    var text = '';
    for (var i = 0; i < s; i++)
    {
        var r = sub[i];
        text += ''
        + '<div class="' + o.row + '" id=' + pid + '_' + i + ' style="position: relative;" onmouseover="dd_Select(this);" onmouseout="dd_Unselect(this);">'
        + (r.link ? '<a href="' + r.link + '" ' + (r.target ? 'target="' + r.target + '"' : '') + '>' + r.text + '</a>' : r.text)
        + (r.sub ? '<div class="'+ o.arrow + '" style="position: absolute;">' + o.arrowtext + '</div>' : '')
        + '</div>';
    }
    return text;
}
function dd_drawSubMenu(sub, name, s, x, y)
{
    s.innerHTML = getSubMenuText(sub, name);
    tt_AlignToScreen(s, x, y);
    s.style.visibility = "visible";
}
function dd_markRow(row, cname)
{
    var id = row.id;
    while (s = document.getElementById(id))
    {
        s.className = cname;
        var p = id.lastIndexOf('_');
        id = id.substring(0, p);
    }
}
function dd_Select(row)
{
    var l = row.id.split('_');
    var o = dd_options[l[0]];
    dd_markRow(row, o.selrow);
    dd_timer.EndTimer();
    var b = getBounds(row);
    var d = l.length-1;
    var p = eval('o.mpos'+d+' ? o.mpos'+d+' : o.defpos');
    switch (p.m)
    {
        case 'tr': x=b.left+b.width+p.x; y=b.top+p.y;break;
        case 'bl': x=b.left+p.x; y=b.top+b.height+p.y;break;
    }
    dd_timer.Timer('dd_showSub("'+row.id+'",'+x+','+y+')', dd_show_delay, true);
}
function dd_Unselect(row)
{
    var l = row.id.split('_');
    var o = dd_options[l[0]];
    dd_markRow(row, o.row);
    dd_timer.EndTimer();
    dd_timer.Timer('dd_hideSub('+o.min+')', dd_hide_delay, true);
}