dom = (document.getElementById)? true : false;
nn4 = (document.layers)? true : false;
ie4 = (!dom && document.all)? true : false;
var path="";
var alt=""
var width=100;
var height=100;


var maxmenu = 9; // êîë-âî âûïàäàøåê
var start = 0; //
var activmenu = 0; //
var cur = 0; //
var tim;
var overactiv = 0; //

function hidemenu(el)
{
    if (dom) document.getElementById(el).style.visibility = "hidden";
    else if (ie4) document.all[el].style.visibility = "hidden";
    else if (nn4) document.layers[el].visibility = "hide";
    activmenu = 0;
}

function showmenu(el)
{
    if (dom) document.getElementById(el).style.visibility = "visible";
    else if (ie4) document.all[el].style.visibility = "visible";
    else if (nn4) document.layers[el].visibility = "show";
    activmenu = 1;
}

function bgLighting (div,optColor)
{
    if (optColor == 'over')
    {
        if (cur != '')
        {
                hidemenu(cur);
        }
        timedisable();
        cur = 'sm'+div;
        if (dom) document.getElementById(cur).style.visibility = 'visible';
        if(ie4) document.all[cur].style.visibility = 'visible';
        if(nn4) document.layers[cur].style.visibility = 'visible';
        activmenu = 1;
    }
    else
    {
        timeactiv();
    }
}
function timedisable()
{
if (start != 0)
{clearTimeout(tim);  overactiv=1}
else start = 1;
}

function timeactiv()
{
 overactiv=0;
 tim=setTimeout('tactiv()','1000');
}

function tactiv()
{
if (overactiv == 0 && activmenu == 1) {hidemenu(cur); }

}