// Title: tigra menu
// Description: See the demo at url
// URL: http://www.softcomplex.com/products/tigra_menu/
// Version: 2.0 (commented source)
// Date: 04-05-2003 (mm-dd-yyyy)
// Contact: feedback@softcomplex.com (specify product title in the subject)
// Tech. Support: http://www.softcomplex.com/forum/forumdisplay.php?fid=40
// Notes: This script is free. Visit official site for further details.

// --------------------------------------------------------------------------------
// global collection containing all menus on current page
var A_MENUS = [];
var main_menu_height;
var main_item_height;
// --------------------------------------------------------------------------------
// menu class
function menu (a_items, a_tpl) {

        // browser check
        if (!document.body || !document.body.style)
                return;

        // store items structure
        this.a_config = a_items;

        // store template structure
        this.a_tpl = a_tpl;

        // get menu id
        this.n_id = A_MENUS.length;

        // declare collections
        this.a_index = [];
        this.a_children = [];

        // assigh methods and event handlers
        this.expand      = menu_expand;
        this.collapse    = menu_collapse;

        this.onclick     = menu_onclick;
        this.onmouseout  = menu_onmouseout;
        this.onmouseover = menu_onmouseover;
        this.onmousedown = menu_onmousedown;

        // default level scope description structure
        this.a_tpl_def = {
                'block_top'  : 0,
                'block_left' : 0,
                'top'        : 200,
                'left'       : 0,
                'width'      : 0,
                'height'     : 000,
                'hide_delay' : 0,
                'expd_delay' : 0,
                'css'        : {
                        'inner' : '',
                        'outer' : ''
                }
        };

        // assign methods and properties required to imulate parent item
        this.getprop = function (s_key) {
                return this.a_tpl_def[s_key];
        };

        this.o_root = this;
        this.n_depth = -1;
        this.n_x = 0;
        this.n_y = 0;
        this.n_w = 0;
        this.n_h = 0;
        this.p_x = 0;
        this.p_y = 0;
        this.p_w = 0;
        this.p_h = 0;

        //         init items recursively
        for (n_order = 0; n_order < a_items.length; n_order++)
                new menu_items(this, n_order);

        // register self in global collection
        A_MENUS[this.n_id] = this;

        // make root level visible
        for (var n_order = 0; n_order < this.a_children.length; n_order++)
                this.a_children[n_order].e_oelement.style.visibility = 'visible';


        main_menu_height = main_item_height * a_items.length + 5;
//alert(main_item_height);
}

// --------------------------------------------------------------------------------
function menu_collapse (n_id) {
        // cancel item open delay
        clearTimeout(this.o_showtimer);

        // by default collapse to root level
        var n_tolevel = (n_id ? this.a_index[n_id].n_depth : 0);

        // hide all items over the level specified
        for (n_id = 0; n_id < this.a_index.length; n_id++) {
                var o_curritem = this.a_index[n_id];
                if (o_curritem.n_depth > n_tolevel && o_curritem.b_visible) {
                        o_curritem.e_oelement.style.visibility = 'hidden';
                        o_curritem.b_visible = false;
                }
        }

        // reset current item if mouse has gone out of items
        if (!n_id)
                this.o_current = null;
}

// --------------------------------------------------------------------------------
function menu_expand (n_id) {

        // expand only when mouse is over some menu item
        if (this.o_hidetimer)
                return;

        // lookup current item
        var o_item = this.a_index[n_id];

        // close previously opened items
        if (this.o_current && this.o_current.n_depth >= o_item.n_depth)
                this.collapse(o_item.n_id);
        this.o_current = o_item;

        // exit if there are no children to open
        if (!o_item.a_children)
                return;

        // show direct child items
        for (var n_order = 0; n_order < o_item.a_children.length; n_order++) {
                var o_curritem = o_item.a_children[n_order];
                o_curritem.e_oelement.style.visibility = 'visible';
                o_curritem.b_visible = true;
        }
}

// --------------------------------------------------------------------------------
//
// --------------------------------------------------------------------------------
function menu_onclick (n_id) {
        // don't go anywhere if item has no link defined
        return Boolean(this.a_index[n_id].a_config[1]);
}

// --------------------------------------------------------------------------------
function menu_onmouseout (n_id) {

        // lookup new item's object
        var o_item = this.a_index[n_id];

        // apply rollout
        o_item.e_oelement.className = o_item.getstyle(0, 0);
        o_item.e_ielement.className = o_item.getstyle(1, 0);

        // update status line
        o_item.upstatus(7);

        // run mouseover timer
        this.o_hidetimer = setTimeout('A_MENUS['+ this.n_id +'].collapse();',
                o_item.getprop('hide_delay'));
}

// --------------------------------------------------------------------------------
function menu_onmouseover (n_id) {

        // cancel mouseoute menu close and item open delay
        clearTimeout(this.o_hidetimer);
        this.o_hidetimer = null;
        clearTimeout(this.o_showtimer);

        // lookup new item's object
        var o_item = this.a_index[n_id];

        // update status line
        o_item.upstatus();

        // apply rollover
        o_item.e_oelement.className = o_item.getstyle(0, 1);
        o_item.e_ielement.className = o_item.getstyle(1, 1);

        // if onclick open is set then no more actions required
        if (o_item.getprop('expd_delay') < 0)
                return;

        // run expand timer
        this.o_showtimer = setTimeout('A_MENUS['+ this.n_id +'].expand(' + n_id + ');',
                o_item.getprop('expd_delay'));

}

// --------------------------------------------------------------------------------
// called when mouse button is pressed on menu item
// --------------------------------------------------------------------------------
function menu_onmousedown (n_id) {

        // lookup new item's object
        var o_item = this.a_index[n_id];

        // apply mouse down style
        o_item.e_oelement.className = o_item.getstyle(0, 2);
        o_item.e_ielement.className = o_item.getstyle(1, 2);

        this.expand(n_id);
//        this.items[id].switch_style('onmousedown');
}


// --------------------------------------------------------------------------------
// menu item Class
function menu_items (o_parent, n_order) {

        // store parameters passed to the constructor
        this.n_depth  = o_parent.n_depth + 1;
        this.a_config = o_parent.a_config[n_order + (this.n_depth ? 3 : 0)];

        // return if required parameters are missing
        if (!this.a_config) return;

        // store info from parent item
        this.o_root    = o_parent.o_root;
        this.o_parent  = o_parent;
        this.n_order   = n_order;

        // register in global and parent's collections
        this.n_id = this.o_root.a_index.length;
        this.o_root.a_index[this.n_id] = this;
        o_parent.a_children[n_order] = this;

        // calculate item's coordinates
        var o_root = this.o_root;
        var a_tpl  = this.o_root.a_tpl;

        // assign methods
        this.getprop  = mitem_getprop;
        this.getstyle = mitem_getstyle;
        this.upstatus = mitem_upstatus;

        if(!main_item_height)
          main_item_height=this.getprop('top');


//        alert("root:" + this.a_config[0]);
        var tWidth = 0;

        this.gp_bx = this.getprop('block_left');
        this.gp_by = this.getprop('block_top');
        this.gp_x  = this.getprop('left');
        this.gp_y  = this.getprop('top');
        this.gp_w  = this.getprop('width');
        this.gp_h  = this.getprop('height');
        this.gp_ff = this.getprop('fontsize');
        if(!this.gp_ff)this.gp_ff=7;

        this.debug=' ';

        //====================================================================== Hauptebene

        if(this.n_depth == 0 && !this.gp_w){

          if(!n_order){//======================================================= 1. Unternemenü
            this.debug+='a';
            this.p_x = this.gp_bx;
            this.p_y = this.gp_by;
            this.p_w = 0;
            this.p_h = 0;
          }else{//============================================================== 2..x Unternemenüs
            this.debug+='b';
            this.p_x = o_parent.a_children[n_order - 1].n_x;
            this.p_y = o_parent.a_children[n_order - 1].n_y;
            this.p_w = o_parent.a_children[n_order - 1].n_w;
            this.p_h = o_parent.a_children[n_order - 1].n_h;
          }
          if(this.gp_x){//====================================================== Ebene geht von links nach rechts
            this.debug+='c';
            this.n_w = 15 + this.gp_ff * myCharWidth(this.a_config[0]);
            this.n_x = this.p_x + this.p_w;
          }else{//============================================================== Ebene ist star auf der X-Achse
            this.debug+='d';
            this.n_w = this.gp_w ;
            this.n_x = o_parent.n_x + this.gp_bx;
          }
          if(this.gp_y){//====================================================== Ebene geht von oben nach unten
            this.debug+='e';
            this.n_h = this.gp_h ;
            this.n_y = this.p_y + this.p_h;
          }else{//============================================================== Ebene ist star auf der Y-Achse
            this.debug+='f';
            this.n_h = this.gp_h ;
            this.n_y = o_parent.n_y + this.gp_by;
          }
//this.n_y = this.n_y + n_order * 10;

        }else{

          this.n_w = this.gp_w;
          this.n_h = this.gp_h;
          if(!n_order){
            this.debug+='g';
            this.n_x = o_parent.n_x + this.gp_bx;
            this.n_y = o_parent.n_y + this.gp_by;
          }else{
            this.debug+='h';
            this.n_x = o_parent.a_children[n_order - 1].n_x + this.getprop('left');
            this.n_y = o_parent.a_children[n_order - 1].n_y + this.getprop('top');
          }
        }
        this.bez = '' ;
//this.debug+=':X'+this.n_x+':'+':W'+this.n_w+':';this.bez+= this.debug ;
        this.bez+= this.a_config[0] ;

        // generate item's HMTL
        var tmp_innerHTML =
                '<div id="e' + o_root.n_id + '_'
                        + this.n_id +'o" class="' + this.getstyle(0, 0) + '"'
                        + " onClick=\"" + this.a_config[1] +  "\""
                        + ' style="position: absolute; cursor:pointer; '
                          + ' top: ' + this.n_y + 'px;'
                          + ' left: ' + this.n_x + 'px;'
                          + ' width: ' + this.n_w + 'px;'
                          + ' height: ' + this.n_h + 'px; '
                          + ' visibility: hidden;'
                          +' z-index: ' + this.n_depth + ';" '
                        + 'onclick="return A_MENUS[' + o_root.n_id + '].onclick('
                        + this.n_id + ');" onmouseout="A_MENUS[' + o_root.n_id + '].onmouseout('
                        + this.n_id + ');" onmouseover="A_MENUS[' + o_root.n_id + '].onmouseover('
                        + this.n_id + ');" onmousedown="A_MENUS[' + o_root.n_id + '].onmousedown('
                        + this.n_id + ');"><div  id="e' + o_root.n_id + '_'
                        + this.n_id +'i" class="' + this.getstyle(1, 0) + '">'
                        + this.bez +"</div></div>\n"
//                        + this.a_config[0] + "</div></div>\n"
                        ;
        document.write (tmp_innerHTML);
//alert(tmp_innerHTML);

        this.e_ielement = document.getElementById('e' + o_root.n_id + '_' + this.n_id + 'i');
        this.e_oelement = document.getElementById('e' + o_root.n_id + '_' + this.n_id + 'o');

        this.b_visible = !this.n_depth;

        // no more initialization if leaf
        if (this.a_config.length > 3){

          // node specific methods and properties
          this.a_children = [];

          // init downline recursively
          for (var n_order = 0; n_order < this.a_config.length - 3; n_order++)
                  new menu_items(this, n_order);
        }
}

// --------------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// ------------------------------------------------------------------------------------------
function mitem_getprop (s_key) {

        // check if value is defined for current level
        var s_value = null,
                a_level = this.o_root.a_tpl[this.n_depth];

        // return value if explicitly defined
        if (a_level)
                s_value = a_level[s_key];

        // request recursively from parent levels if not defined
        return (s_value == null ? this.o_parent.getprop(s_key) : s_value);
}
// --------------------------------------------------------------------------------
// reads property from template file, inherits from parent level if not found
// ------------------------------------------------------------------------------------------
function mitem_getstyle (n_pos, n_state) {

        var a_css = this.getprop('css');
        var a_oclass = a_css[n_pos ? 'inner' : 'outer'];

        // same class for all states
        if (typeof(a_oclass) == 'string')
                return a_oclass;

        // inherit class from previous state if not explicitly defined
        for (var n_currst = n_state; n_currst >= 0; n_currst--)
                if (a_oclass[n_currst])
                        return a_oclass[n_currst];
}

// ------------------------------------------------------------------------------------------
// updates status bar message of the browser
// ------------------------------------------------------------------------------------------
function mitem_upstatus (b_clear) {
  return;
/*
        window.setTimeout("window.status=unescape('" + (b_clear
                ? ''
                : (this.a_config[2] && this.a_config[2]['sb']
                        ? escape(this.a_config[2]['sb'])
                        : escape(this.a_config[0]) + (this.a_config[1]
                                ? ' ('+ escape(this.a_config[1]) + ')'
                                : ''))) + "')", 10);
*/
}

// --------------------------------------------------------------------------------
// that's all folks