var roller = false;
if (navigator.appVersion.charAt(0) >= "3")
{
roller = true

ic_mail_over=new Image;
ic_mail_over.src="images/ic_mail_on.gif";
ic_mail_off=new Image;
ic_mail_off.src="images/ic_mail_off.gif";
ic_home_over=new Image;
ic_home_over.src="images/ic_home_on.gif";
ic_home_off=new Image;
ic_home_off.src="images/ic_home_off.gif";
ic_print_over=new Image;
ic_print_over.src="images/ic_print_on.gif";
ic_print_off=new Image;
ic_print_off.src="images/ic_print_off.gif";
}
function rollover(imgName)
{
if (roller = true)
{
document[imgName].src=eval(imgName + "over.src");
}
}
function leave(imgName)
{
if (roller == true)
{
document[imgName].src=eval(imgName + "off.src");
}
}