// куки для меню


 var caution = true

function setCookie(name, value, expires, path, domain, secure) {
        var curCookie = name + "=" + escape(value) +
                ((expires) ? "; expires=" + expires.toGMTString() : "") +
                ((path) ? "; path=" + path : "") +
                ((domain) ? "; domain=" + domain : "") +
                ((secure) ? "; secure" : "")
        if (!caution || (name + "=" + escape(value)).length <= 4000)
                document.cookie = curCookie
        else
                if (confirm("Cookie exceeds 4KB and will be cut!"))
                        document.cookie = curCookie
}


function checkBrowser(){
this.ver=navigator.appVersion
this.dom=document.getElementById?1:0
this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
this.ie4=(document.all && !this.dom)?1:0;
this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
this.ns4=(document.layers && !this.dom)?1:0;
this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
return this }

bw=new checkBrowser()


function fixDate(date) {
        var base = new Date(0)
        var skew = base.getTime()
        if (skew > 0)
                date.setTime(date.getTime() - skew)
}

function showHide(div,nest){

var now = new Date()
fixDate(now)
now.setTime(now.getTime() + 31 * 24 * 60 * 60 * 1000)


obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0;


if(obj.display=='' || obj.display=='')
{
obj.display='none'
setCookie(div, 'none', now)


}

else

{
obj.display=''
setCookie(div, 'normal', now)

}
}



function vis(a)
{
var menu=document.getElementById('menu'+a);
menu.style.visibility="visible";
}

function unvis(a)
{
var menu=document.getElementById('menu'+a);
menu.style.visibility="hidden";
}