<!--   
/* Script by: www.jtricks.com  
 * Version: 20070703  
 * Latest version:  
 * www.jtricks.com/javascript/window/box_centered.html  
 */  
var has_inner = typeof(window.innerWidth) == 'number';   
var has_element = document.documentElement   
    && document.documentElement.clientWidth;   
  
// Moves the box object to be centered on current   
// viewable area of the page   
function center_box(box, width, height)   
{   
    cleft = has_inner   
        ? pageXOffset +    
          (window.innerWidth - width)/2   
        : has_element   
          ? document.documentElement.scrollLeft +    
            (document.documentElement.clientWidth - width)/2   
          : document.body.scrollLeft +    
            (document.body.clientWidth - width)/2;   
  
    ctop = has_inner   
        ? pageYOffset + (window.innerHeight - height)/2   
        : has_element   
          ? document.documentElement.scrollTop +    
            (document.documentElement.clientHeight - height)/2   
          : document.body.scrollTop +    
            (document.body.clientHeight - height)/2;   
  
    box.style.left = cleft > 0 ? cleft + 'px' : '0px';   
    box.style.top = ctop > 0 ? ctop + 'px' : '0px';   
}   
  
// Hides other alone popup boxes that might be displayed   
function hide_other_alone(obj)   
{   
    if (!document.getElementsByTagName)   
        return;   
  
    var all_divs = document.body.getElementsByTagName("DIV");   
  
    for (i = 0; i < all_divs.length; i++)   
    {   
        if (all_divs.item(i).style.position != 'absolute' ||   
            all_divs.item(i) == obj ||   
            !all_divs.item(i).alonePopupBox)   
        {   
            continue;   
        }   
  
        all_divs.item(i).style.display = 'none';   
    }   
    return;   
}   
  
// Shows a box if it wasn't shown yet or is hidden   
// or hides it if it is currently shown   
function show_hide_centered_box(an, width, height, borderStyle)   
{   
    show_hide_centered_href(   
        an.href, width, height, borderStyle);   
    return false;   
}   
  
// Shows a box if it wasn't shown yet or is hidden   
// or hides it if it is currently shown   
function show_hide_centered_href(href, width, height, borderStyle)   
{   
    var boxdiv = document.getElementById(href);   
  
    if (boxdiv != null)   
    {   
        if (boxdiv.style.display=='none')   
        {   
            hide_other_alone(boxdiv);   
            // Show existing box, move it   
            // if document changed layout   
            center_box(boxdiv, width, height);   
            boxdiv.style.display='block';   
  
            // Workaround for Konqueror/Safari   
            if (!boxdiv.contents.contentWindow)   
                boxdiv.contents.src = href;   
        }   
        else  
            // Hide currently shown box.   
            boxdiv.style.display='none';   
        return false;   
    }   
  
    hide_other_alone(null);   
  
    // Create box object through DOM   
    boxdiv = document.createElement('div');   
  
    // Assign id equalling to the document it will show   
    boxdiv.setAttribute('id', href);   
  
    // Add object identification variable   
    boxdiv.alonePopupBox = 1;   
  
    boxdiv.style.display = 'block';   
    boxdiv.style.position = 'absolute';   
    boxdiv.style.width = width + 'px';   
    boxdiv.style.height = height + 'px';   
    boxdiv.style.border = borderStyle;   
    boxdiv.style.textAlign = 'right';   
    boxdiv.style.padding = '2px';
    boxdiv.style.color = '#ffffff';
    boxdiv.style.background = '#0C60AF';
    document.body.appendChild(boxdiv);   
  
    var offset = 0;   
  
    // Remove the following code if 'Close' hyperlink   
    // is not needed.   
    var close_href = document.createElement('a');   
    close_href.href = 'javascript:void(0);';   
    close_href.onclick = function()   
    {   
        show_hide_centered_href(href, width, height, borderStyle);   
    }   
  
    close_href.appendChild(document.createTextNode('Close'));   
    boxdiv.appendChild(close_href);
    offset = close_href.offsetHeight;
    // End of 'Close' hyperlink code.   
  
    var contents = document.createElement('iframe');   
    //contents.scrolling = 'no';   
    contents.overflowX = 'hidden';   
    contents.overflowY = 'hidden';   
    contents.frameBorder = '0';   
    contents.style.width = width + 'px';   
    contents.style.height = (height - offset) + 'px';   
  
    boxdiv.contents = contents;   
    boxdiv.appendChild(contents);   
  
    center_box(boxdiv, width, height);   
  
    if (contents.contentWindow)   
        contents.contentWindow.document.location.replace(   
            href);   
    else  
        contents.src = href;   
  
    // The script has successfully shown the box,   
    // prevent hyperlink navigation.   
    return;   
}   
//-->