/**
 * getWindowHeight
 * used by the footer for 
 * absolute placing footer
 */
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;
}

/**
 * setFooter
 * sets the footer by using the windowheight function
 */
 function setFooter() {
    if (document.getElementById) {
        var windowHeight=getWindowHeight();
        if (windowHeight>0) {
            var contentHeight       = document.getElementById('wrapper').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 {
//                console.info('ld');
//                footerElement.style.position='static';
                                footerElement.style.position='relative';
            }
        }
    }
}    /*
function setFooter() {
    if (document.getElementById) {
        var windowHeight = getWindowHeight();
        if (windowHeight > 0) {
            if (document.getElementById('container').offsetHeight >= document.getElementById('skyscraper').offsetHeight) {
                var contentHeight = document.getElementById('container').offsetHeight;
                (document.getElementById('footer').style.marginTop) = (15 + 'px');
            }
            else if (document.getElementById('skyscraper').offsetHeight >= document.getElementById('container').offsetHeight) {
                var contentHeight = document.getElementById('skyscraper').offsetHeight;
                (document.getElementById('container').style.height) = (contentHeight - 20 + 'px');
            }
            var footerElement = document.getElementById('footer');
            var footerHeight  = footerElement.offsetHeight +30;
            if (windowHeight - (contentHeight + footerHeight) >= 0) {
                footerElement.style.top = (windowHeight - (contentHeight + footerHeight)) + 'px';
            }
            else {
                footerElement.style.top = '0px';
            }
            (document.getElementById('footer').style.visibility) = ('visible');
        }
    }
}*/