if (document.images)

{

portfolio = new Image(82,13);
portfolio.src = "../images/navigation/portfolio.gif";

portfolio_over = new Image(82,13);
portfolio_over.src = "../images/navigation/portfolio_over.gif";

news = new Image(129,13);
news.src = "../images/navigation/news.gif";

news_over = new Image(129,13);
news_over.src = "../images/navigation/news_over.gif";

about_us = new Image(77,13);
about_us.src = "../images/navigation/about_us.gif";

about_us_over = new Image(77,13);
about_us_over.src = "../images/navigation/about_us_over.gif";

}

function hiLite(imgDocID,imgObjName) {
        if( !document.images ) return;
        document.images[imgDocID].src = eval(imgObjName + ".src")
}

function loadPopup(url, xw, xh, name, scroll){


   // SPECIFY THE POPUP WINDOW NAME
   var win_popup_name = name;

   // SPECIFY URL OF POPUP WINDOW
   var win_popup_url = url;

   // SPECIFY THE WINDOW HEIGHT AND WIDTH
   var win_width = xw;
   var win_height = xh;

   // SPECIFY THE LOCATION OF THE TOP-LEFT CORNER OF THE WINDOW
   var win_left = (screen.width - win_width) / 2;
   var win_top = (screen.height - win_height) / 2;
   var popup_window = window.open(win_popup_url,win_popup_name,'width=' + win_width + ',height=' + win_height + ',top=' + win_top + ',left=' + win_left + ',directories=no,location=no,menubar=no,scrollbars=' + scroll + ',status=no,toolbar=no,resizable=no')
   popup_window.focus();
}