//global variables
window.CMenus=[];
//var BLANK_IMAGE = "pics/blue_black.png";
var BLANK_IMAGE = "http://www.hive.kiev.ua/js/b.gif";
//var BLANK_IMAGE = "/image/body/blue_line_golos2.gif";
//helper function
function bw_check(){
    this.dom=document.getElementById?1:0;
    this.opera=window.opera?1:0;
    this.ns4=(document.layers && !this.dom)?1:0;
    return this;
}
function none(){}
function nn(val){return val != null;}
function und(val){return typeof(val) == 'undefined';}
//classes
function COOLjsMenu(name, items){
    this.bw=new bw_check();
    this.bi = new Image();
    this.bi.src=BLANK_IMAGE;
    window.CMenus[name]=this;
    window.CMenuHideTimers[name] = null;
    this.name = name;
    this.root = [];
    this.root.par = null;
    this.root.cd = [];
    this.root.fmt=items[0];
    this.items=[];
    this.root.lvl=new CMenuLevel(this, this.root);
    for (var q=1;q<items.length;q++)
	if (!und(items[q])) new CMenuItem(this, this.root, items[q], und(items[q].format)?items[0]:items[q].format);
    this.draw = function (){
	var s ="";
	for (var q=0;q<this.items.length;q++)
	s+=this.items[q].draw();
	document.write(s);
    }
    this.hide = function(){
	for (var q=0;q<this.root.cd.length;q++)
	if (this.root.cd[q].lvl)
	this.root.cd[q].lvl.vis(0);
        this.root.lvl.a = null;
	this.root.lvl.draw();
    }
    this.draw();
    this.root.lvl.vis(1);
    this.ccc = 0;
}

function CMenuLevel(menu, par){
    this.menu=menu;
    this.par=par;
    this.v=0;
    this.abs=null;
    this.vis=function(s){
	this.v=s;
	var l=this.par.cd.length;
	for (var q=0;q<l;q++){
	    var n = this.par.cd[q];
	    if ( n.hc() && n.lvl.v && !s ) n.lvl.vis(s);
	    n.vis(s);
	}
	if (!s) this.a=null;
	}
    this.setA = function(idx,s){
	var n = this.menu.items[idx];
	if (nn(this.a)&&n.par.lvl!=this.a.par.lvl) return;
	if(s&&n.hc())n.lvl.vis(1);
	if( s && n!= this.a && nn(this.a) && this.a.hc() && this.a.lvl.v ) this.a.lvl.vis(0);
	this.a=n;
	this.draw()
    }
    this.draw = function(){
	for (var q=0;q<this.par.cd.length;q++)
	if (this.par.cd[q]==this.a)
	this.par.cd[q].setVis('o')
	else
	this.par.cd[q].setVis('n')
    }
}

function CMenuItem(menu, par, item, format){
    if (und(item)) return;
    this.lvl = null;
    this.par=par;
    this.code=item.code;
    this.targ=und(item.target)?"":'target="'+item.target+'" ';
    this.url=und(item.url)?"javascript:none()":item.url;
    this.fmt=format;
    this.menu=menu;
    this.bw=menu.bw;
    this.cd=[];
    this.divs=[];
    this.index=menu.items.length;
    menu.items=menu.items.concat([this]);
    this.pindex=par.cd.length;
    par.cd=par.cd.concat([this]);
    this.id="cmi"+this.menu.name+"_"+this.index;
    this.v=0;
    this.state='n';
    this.diva = ["b","s","o","n","e"];
    //methods		
    this.hc = function(){return this.cd.length > 0}; //has children?
    this.hac = function(){return this.hc()&&this.cd[0].vis}; //has active children?
    this.div=function(n){
	return und(this.divs[n])?this.divs[n]=get_div(this.id+n):this.divs[n];
    }
    this.draw = function (){	
	var b = this.style.border;
	var s = this.style.shadow;
	return  (!this.style.shadow?"":adiv(this.menu.bw, this.id+"s", this.z, this.pos[0]+s, this.pos[1]+s, this.size[1], this.size[0], this.style.color.shadow, "", ""))+
	(!this.style.border?"":adiv(this.menu.bw, this.id+"b", this.z, this.pos[0], this.pos[1], this.size[1], this.size[0], this.style.color.border, "", ""))+
	adiv(this.menu.bw, this.id+"o", this.z, this.pos[0]+b, this.pos[1]+b, this.size[1]-b*2, this.size[0]-b*2, this.style.color.bgOVER, '<div class="'+this.style.css.OVER+'">'+this.code+'</div>', "")+
	adiv(this.menu.bw, this.id+"n", this.z, this.pos[0]+b, this.pos[1]+b, this.size[1]-b*2, this.size[0]-b*2, this.style.color.bgON, '<div class="'+this.style.css.ON+'">'+this.code+'</div>', "")+
	adiv(this.menu.bw, this.id+"e", this.z, this.pos[0]+b, this.pos[1]+b, this.size[1]-b*2, this.size[0]-b*2, "", '<a href="'+this.url+'" '+this.targ+'onclick="mEvent(\''+this.menu.name+'\','+this.index+',\'c\');">'+'<img src="'+this.menu.bi.src+'" width="'+this.size[1]+'" height="'+this.size[0]+'" border="0"></a>', "", ' onmouseover="mEvent(\''+this.menu.name+'\','+this.index+',\'o\');" onmouseout="mEvent(\''+this.menu.name+'\','+this.index+',\'t\');"' );
    }
    this.vis = function(s){
	if (this.style.shadow) this.visDiv("s",s);
	if (this.style.border) this.visDiv("b",s);
	if (!s) {
	    this.visDiv("o",0);
				this.visDiv("n",0);
				this.state="n";
	}else if (this.state=="n")
	this.visDiv("n",1)
	else
	this.visDiv("o",1)
	this.visDiv("e",s)
    }
    this.setVis = function (n){
	if (this.state!=n)
	switch (n){
	    case "n":
	    this.visDiv("n",1);this.visDiv("o",0);
	    break;
	    case "o":
	    this.visDiv("n",0);this.visDiv("o",1);
	    break;
	}
	this.state=n;
    }
    this.visDiv = this.bw.ns4? visDivNS:visDivDom;
    this.getf = function(obj, name){return !und(obj)?(und(obj.fmt[name])?this.getf(obj.par, name):obj.fmt[name]):null;}
    this.ioff = this.getf(this, "itemoff");
    this.loff = this.getf(this, "leveloff");
    this.style = this.getf(this, "style");
    this.size = this.getf(this, "size");
    this.prev = this.pindex==0? null : this.par.cd[this.pindex-1];
    this.setPos = function(){
	if (this.prev==null){
	    this.z = this.par == this.menu.root? 0: this.par.z+10;
	    this.pos = und(this.fmt.pos)?(this.par == this.menu.root? this.fmt.pos : this.pos = [this.par.pos[0]+this.loff[1], this.par.pos[1]+this.loff[0]]):this.fmt.pos;
	}else{
	    this.prev.next = this;
	    this.z = this.prev.z;
	    this.pos = [this.prev.pos[0]+this.ioff[1], this.prev.pos[1]+this.ioff[0]];
	}
    }
    this.setPos();
    this.sub=item.sub;
    if (!und(this.sub) && !und(this.sub.length)&& this.sub.length>0){
	this.lvl = new CMenuLevel(menu, this);
	for (var q=1;q<this.sub.length;q++)
	    if (!und(this.sub[q])) new CMenuItem(this.menu, this, this.sub[q], und(this.sub[q].format)?this.sub[0]: this.sub[q].format);
    }
    return this;
}
function adiv(bw,name,z,left,top,width,height,bgc,code,otherCSS, otherDIV){
    return bw.ns4?
	'<layer id="'+name+'" z-index="'+z+'" left="'+left+'" top='+top+'" width="'+width+'" height="'+height+'"'+(bgc!=""?' bgcolor="'+bgc+'"':'')+' style="'+otherCSS+'" visibility="hidden" '+otherDIV+'>'+code+'</layer>\n':
	'<div id="'+name+'" style="position:absolute;visibility:show;z-index:'+z+';left:'+left+'px;top:'+top+'px;width:'+width+'px;height:'+height+'px;visibility:hidden'+(bgc!=""?';background-color:'+bgc+'':'')+';'+otherCSS+';" '+otherDIV+'>'+code+'</div>';
}
function get_div(name){
    return new bw_check().ns4?document.layers[name]:document.all?document.all[name]:document.getElementById(name);
}
function visDivNS(d,s){
    this.div(d).visibility = s?'show':'hide';
}
function visDivDom(d,s){
    this.div(d).style.visibility = s?'visible': 'hidden';
}

function mEvent(m,i,e){
    if (nn(window.CMenuHideTimers[m])) {
	window.clearTimeout(window.CMenuHideTimers[m]);
	window.CMenuHideTimers[m] = null
	    }
    switch (e){
    case "o":
	window.CMenus[m].items[i].par.lvl.setA(i,1);
	break;
    case "c":
	if (window.CMenus[m].items[i].hc())
	    window.CMenus[m].items[i].lvl.vis(!window.CMenus[m].items[i].lvl.v);
	else
	    for (var q=0;q<window.CMenus[m].root.cd.length;q++)
		if (nn(window.CMenus[m].root.cd[q].lvl)) window.CMenus[m].root.cd[q].lvl.vis(0);
	break;
    case "t":
	window.CMenuHideTimers[m] = setTimeout('window.CMenus["'+m+'"].hide()', und(window.CMenus[m].root.fmt.delay)?500:window.CMenus[m].root.fmt.delay);
	break;
    }
}

if (und(window.CMenuHideTimers)) window.CMenuHideTimers = [];

window.oldOnLoad = window.onload;
window.onload = function (){
    var bw = new bw_check();
	if (bw.ns4 || bw.opera){
	    window.origWidth  = this.innerWidth;
	    window.origHeight = this.innerHeight;
	    if (bw.opera && und(window.operaRH)) {
		window.operaRH = 1;
		resizeHandler();
	    }
	}
    if (window.oldOnLoad) window.oldOnLoad();
}
function resizeHandler() {
    var bw = new bw_check();
    if (this.innerWidth != window.origWidth || this.innerHeight != window.origHeight) location.reload();
    if (bw.opera) {
	setTimeout('resizeHandler()',500);
    }
}
if (new bw_check().ns4) window.onresize = resizeHandler;