browserName=navigator.appName;
browserVer=parseInt(navigator.appVersion);
if(browserVer >=3)
        version="3";
else
        version="2";
		
if (version=="3")
{

y1_on=new Image(29,62);
y1_on.src="ic/1_on.jpg";
y1_off=new Image(29,62);
y1_off.src="ic/1_off.jpg";

y2_on=new Image(29,115);
y2_on.src="ic/2_on.jpg";
y2_off=new Image(29,115);
y2_off.src="ic/2_off.jpg";

y3_on=new Image(29,167);
y3_on.src="ic/3_on.jpg";
y3_off=new Image(29,167);
y3_off.src="ic/3_off.jpg";

y4_on=new Image(29,99);
y4_on.src="ic/4_on.jpg";
y4_off=new Image(29,99);
y4_off.src="ic/4_off.jpg";

y5_on=new Image(29,60);
y5_on.src="ic/5_on.jpg";
y5_off=new Image(29,60);
y5_off.src="ic/5_off.jpg";

y6_on=new Image(29,85);
y6_on.src="ic/6_on.jpg";
y6_off=new Image(29,85);
y6_off.src="ic/6_off.jpg";



}
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");
        }
}