n_company = new Image(); 
n_company.src = "images/n_company.gif";
r_company = new Image(); 
r_company.src = "images/r_company.gif";

n_products = new Image(); 
n_products.src = "images/n_products.gif";
r_products = new Image(); 
r_products.src = "images/r_products.gif";

n_tech = new Image(); 
n_tech.src = "images/n_tech.gif";
r_tech = new Image(); 
r_tech.src = "images/r_tech.gif";

n_news = new Image(); 
n_news.src = "images/n_news.gif";
r_news = new Image(); 
r_news.src = "images/r_news.gif";

function changeImage(imgName, imgSrc)
{
 if (document.images)
  document.images[imgName].src = imgSrc.src;
}

function openWin(thePage)
{
 window.open(thePage,"theWin","toolbars=0,manubar=0,scrollbars=0,directories=0,location=0,resizable=1,width=504,height=354,left=50,top=30");
}