function getWindowHeight()
{
    var myHeight = 0;
    if( typeof( window.innerHeight ) == 'number' ) 
    {
        //Non-IE
        myHeight = window.innerHeight;
    } 
    else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) 
    {
        //IE 6+ in 'standards compliant mode'
        myHeight = document.documentElement.clientHeight;
    } 
    else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) 
    {
        //IE 4 compatible
        myHeight = document.body.clientHeight;
    }
    return myHeight;
}

function getWindowWidth()
{
    var myWidth = 0;
    if( typeof( window.innerWidth ) == 'number' ) 
    {
        //Non-IE
        myWidth = window.innerWidth;
    } 
    else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) 
    {
        //IE 6+ in 'standards compliant mode'
        myWidth = document.documentElement.clientWidth;
    } 
    else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) 
    {
        //IE 4 compatible
        myWidth = document.body.clientWidth;
    }
    return myWidth;
}

function fixScreenHeight()
{
    var div = document.getElementById('backgroundDiv');
    if(div != null)
        div.style.height = getWindowHeight() - 80 + 'px';
    
    div = document.getElementById('footerDiv');
    if(div != null)
    {
        div.style.top = getWindowHeight() - 65 + 'px';
        div.style.display = 'block';
    }
}