var isNav6 = false;
var isIE5 = false;
var isIE6 = false;

if(navigator.appName == "Netscape")
  {
   if(navigator.appVersion.charAt(0) >= "5")
    {
    isNav6 = true;
    }
  }

else if(navigator.appName == "Microsoft Internet Explorer")
  {
  if(navigator.appVersion.indexOf("MSIE 5") != -1)
    {
    isIE5 = true;
    }
  else if(navigator.appVersion.indexOf("MSIE 6") != -1)
    {
    isIE6 = true;
    }
  else if(navigator.appVersion.indexOf("MSIE 7") != -1)
    {
    isIE7 = true;
    }
  }



function toggle(which)
{
(document.getElementById(which).style.visibility == "visible") ?   document.getElementById(which).style.visibility = "hidden" :   document.getElementById(which).style.visibility = "visible";
}

function invisible()
{
document.getElementById('productsDiv').style.visibility = "hidden";
}

function glow(which)
{
document.getElementById(which).style.backgroundColor = "#C8E2Fc";
}

function noglow(which)
{
document.getElementById(which).style.backgroundColor = "#99ccff";
}

function change()
{
document.getElementById("specials").setAttribute("src", "images/specialsbuttondown.gif");
}

function changeBack()
{
document.getElementById("specials").setAttribute("src", "images/specialsbuttonoff.gif");
}

function specials()
{
window.open('specials.html', 'Specials', 'width=750,height=450,menubar=yes, toolbar=yes, scrollbars,resizable');
}