var stopanim=false;
function boogover()
{

document.getElementById("dec1").style.visibility="hidden";
document.getElementById("dec2").style.visibility="visible";
}

function boogout()
{

document.getElementById("dec1").style.visibility="visible";
document.getElementById("dec2").style.visibility="hidden";
}

function startanim(x)
{
stepanim(x);
setInterval('stepanim('+x+')',x*4);
//stepanim(x);
}

function stepanim(x)
{

setTimeout('if (stopanim==false) viking("perg")',1);
setTimeout('if (stopanim==false) viking("deck")',1*x);
setTimeout('if (stopanim==false) viking("bikt")',2*x);
setTimeout('if (stopanim==false) viking("pnim")',3*x);
if (stopanim==true) clearInterval();
}

function viking(x)
{
document.getElementById("screen").src='images/screens/'+x+'.gif';
document.getElementById("screena").href=x+'.htm';
}