var wndo = [];

function initScrollLayer() 
{
    wndo[1] = new dw_scrollLayer('wn', 'lyr1');
}


function dw_startScroll(num, dir, sp) {
  if ( wndo[num] && wndo[num].startScroll ) wndo[num].startScroll(dir, sp);
}

function dw_stopScroll(num) {
  if ( wndo[num] && wndo[num].stopScroll ) wndo[num].stopScroll();
}

function scrollTo(num, to)
{
    wndo[num].glideScrollTo(0,to,0);
}

function goToAnchor(e)
{
    scrollTo(1,getElementPosition(e));
}

function getElementPosition(e)
{
    return document.getElementById(e).offsetTop;
}