function getWindowHeight() 
{
    var windowHeight=0;
    if (typeof(window.innerHeight)=='number') 
    {
        windowHeight=window.innerHeight;
    }
    else 
    {
        if (document.documentElement&&document.documentElement.clientHeight) 
        {
            windowHeight=document.documentElement.clientHeight;
        }
        else 
        {
            if (document.body&&document.body.clientHeight) 
            {
                windowHeight=document.body.clientHeight;
            }
        }
    }
    return windowHeight;
}

function setFooter() 
{
    if (document.getElementById) 
    {
        var windowHeight=getWindowHeight();
        if (windowHeight>0) 
        {
            try {
            var contentHeight=document.getElementById('backgrounds').offsetHeight;
            var footerElement=document.getElementById('footer');
            var footerHeight=footerElement.offsetHeight;
            if (windowHeight-(contentHeight+footerHeight)>=0) 
            {
                footerElement.style.position='relative';
                footerElement.style.top=(windowHeight-
                (contentHeight+footerHeight))+'px';
            }
            else 
            {
                footerElement.style.position='static';
            }
            } catch (e) {}
        }
    }
}

window.onload = function() {
  setFooter();
}
window.onresize = function() {
  setFooter();
}


function showBack(e,img)
{
    if (e.value == "")
    {
        e.className = "";
    }
}

function noBack(e)
{
    e.className = "hideBg";
}

function showIt(e,t)
{
    if (document.getElementById(e).style.display == "none")
    {
        document.getElementById(e).style.display = "";
    }
    else
    {
        document.getElementById(e).style.display = "none";
    }
}