<!--
if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) == 3)
        {       version = "ns3";}
else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 4)
        {       version = "ns4";}
else if (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,4) == 2.0)
        {       version = "ie3";}
else if (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) >= 4)
        {       version = "ie4";}
else if (navigator.appName == "Opera" && parseInt(navigator.appVersion) >= 4)
        {       version = "o4";}

ibt1 = new Image();
ibt1.src = "images/b1_off.gif";
ibt1_on = new Image();
ibt1_on.src = "images/b1_on1.gif";

ibt2 = new Image();
ibt2.src = "images/b2_off.gif";
ibt2_on = new Image();
ibt2_on.src = "images/b2_on1.gif";

ibt3 = new Image();
ibt3.src = "images/b3_off.gif";
ibt3_on = new Image();
ibt3_on.src = "images/b3_on1.gif";

ibt4 = new Image();
ibt4.src = "images/b4_off.gif";
ibt4_on = new Image();
ibt4_on.src = "images/b4_on1.gif";

ibt5 = new Image();
ibt5.src = "images/b5_off.gif";
ibt5_on = new Image();
ibt5_on.src = "images/b5_on1.gif";

ibt6 = new Image();
ibt6.src = "images/b6_off.gif";
ibt6_on = new Image();
ibt6_on.src = "images/b6_on1.gif";

ibt7 = new Image();
ibt7.src = "images/b7_off.gif";
ibt7_on = new Image();
ibt7_on.src = "images/b7_on1.gif";

ibt8 = new Image();
ibt8.src = "images/b8_off.gif";
ibt8_on = new Image();
ibt8_on.src = "images/b8_on1.gif";


function rollon(imgName) 
{
		if (version == "ns3" || version == "ns4" || version == "ie4" || version == "o4") 
		{
			document[imgName].src = eval(imgName + "_on.src");

		}
}
function rolloff(imgName) 
{
		if (version == "ns3" || version == "ns4" || version == "ie4" || version == "o4") 
		{
			document[imgName].src = eval(imgName + ".src");
		}
}
//-->