function CenterItem(theItem)
{
    var winWidth = jQuery(window).width();

    var winHeight = jQuery(window).height();

    var windowCenter = winWidth/2;

    var itemCenter = jQuery(theItem).width()/2;

    var theCenter = windowCenter - itemCenter;
    
    /*
    var windowMiddle = winHeight/2 + jQuery(document).scrollTop();

    var itemMiddle = jQuery(theItem).height()/2;

    var theMiddle = windowMiddle - itemMiddle;
    */
    
    theMiddle = jQuery(document).scrollTop() + 100;

    // horizontal
    if(winWidth > jQuery(theItem).width())
    {
        jQuery(theItem).css('left',theCenter + 0 - 65);
    } 
    else 
    {
        jQuery(theItem).css('left','0');
    }
    
    // vertical
    if(winHeight > jQuery(theItem).height())
    {
        jQuery(theItem).css('top', theMiddle);
    }
    else
    {
        jQuery(theItem).css('top','0');
    }

    jQuery(theItem).css('top', theMiddle);
    
    jQuery(theItem).css('display', 'block');
}

jQuery(document).ready(
function()
{
    CenterItem('.centered');
});

jQuery(window).resize(
function()
{
    CenterItem('.centered');
});