<!--
var l = "s1";
var c = 2;
function collapse(i) {
document.getElementById(l).style.display = "none";
l = i;
document.getElementById(i).style.display = "block";
}

function change(id, newClass) {
el =document.getElementById(id);
el.className=newClass;
el.hideFocus=true;
}

function Scroll(id)
{
var ScrollTop = document.body.scrollTop;
if (ScrollTop == 0)
{    if (window.pageYOffset)
        ScrollTop = window.pageYOffset;
    else
        ScrollTop = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
}
if (ScrollTop<50) { 
window.scrollTo(0,800);}
else {location.href=id;}
}

function Strip(dr,ty,cnt)
{
if (c > cnt)
{c = 1;}
var ScrollTop = document.body.scrollTop;
if (ScrollTop == 0)
{    if (window.pageYOffset)
        ScrollTop = window.pageYOffset;
    else
        ScrollTop = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
}
if (ScrollTop<50) { 
window.scrollTo(0,800);}
else
{id = dr + c + '.' + ty;
document.getElementById('h1').innerHTML='page ' + c;
document.getElementById('cov').src=id;
window.scrollTo(0,0);
++c;}
}

-->