function set_opac(obj, opacity){
var opacity;
var obj;
obj = document.getElementById(obj);
obj.style.filter = "alpha(opacity:"+opacity+")";         // --- IE
obj.style.KHTMLOpacity = (opacity / 100);                // --- Safari<1.2, Konqueror
obj.style.MozOpacity = (opacity / 100);                  // --- Older Mozilla and Firefox
obj.style.opacity = (opacity / 100);                     // --- Safari 1.2, newer Firefox and Mozilla, CSS3
}

var speed = 10;               // --- aatrums
var delay = 200;             // --- laika intervaals kad raada bildi
var stop = delay*4 + 300;

function hide(n) {
var n;
if(n==1) x1 = delay;
if(n==1) x2 = x1 + 100 + delay;
if(n==1) x3 = x2 + 100 + delay;
if(n==1) x4 = x3 + 100 + delay;
if(n==1) n = 0;
x1 = x1 - speed;
x2 = x2 - speed;
x3 = x3 - speed;
x4 = x4 - speed;
set_opac('im4', x1);
set_opac('im3', x2);
set_opac('im2', x3);
set_opac('im1', x4);
if(x1<=-stop) hideID = setTimeout('hide(1)',100);
if(x1>-stop) hideID = setTimeout('hide()',100);
}