<!-- hide
browserName=navigator.appName;
browserVer=parseInt(navigator.appVersion);
if(browserVer >=3)
        version="3";
else
        version="2";
if (version=="3")
{

button_1_on=new Image(50,125);
button_1_on.src="/images/bu1_on.gif";
button_1_off=new Image(50,125);
button_1_off.src="/images/bu1_off.gif";

button_2_on=new Image(50,125);
button_2_on.src="/images/bu2_on.gif";
button_2_off=new Image(50,125);
button_2_off.src="/images/bu2_off.gif";

button_3_on=new Image(50,125);
button_3_on.src="/images/bu3_on.gif";
button_3_off=new Image(50,125);
button_3_off.src="/images/bu3_off.gif";

button_4_on=new Image(50,125);
button_4_on.src="/images/bu4_on.gif";
button_4_off=new Image(50,125);
button_4_off.src="/images/bu4_off.gif";

}
function rollIn(imgName)
{
        if (version=="3")
        {
                document[imgName].src=eval(imgName + "on.src");
        }
}
function rollOut(imgName)
{
        if (version=="3")
        {
                document[imgName].src=eval(imgName + "off.src");
        }
}

// -->