function rollover(event)
{
event.style.backgroundColor='#7c94c0';
}
function rollout(event)
{ 
event.style.backgroundColor='';
}

function roll_on(roll)
{
k=roll.name;
if(k=="lt")
{
document.lt.src="client/images/lt_1.gif";
}
else if(k=="en")
{
document.en.src="client/images/en_1.gif";
}
else
{
document.ru.src="client/images/ru_1.gif";
}
}
function roll_out(roll)
{
k=roll.name;
if(k=="lt")
{
document.lt.src="client/images/lt.gif";
}
else if(k=="en")
{
document.en.src="client/images/en.gif";
}
else
{
document.ru.src="client/images/ru.gif";
}
}