function magas(which2){
theobject=which2
vilagositas=setInterval("fenyesit(theobject)",50)
}

function alacsony50(which2){
theobject=which2
sotetites=setInterval("sotetit(theobject)",20)
}

function kicsi(which2){
clearInterval(vilagositas)
if (which2.style.MozOpacity) which2.style.MozOpacity=0.5
else if (which2.filters) which2.filters.alpha.opacity=40
}

function kicsi50(which2){
clearInterval(vilagositas)
if (which2.style.MozOpacity) which2.style.MozOpacity=0.6
else if (which2.filters) which2.filters.alpha.opacity=50
}

function kicsi70(which2){
clearInterval(vilagositas)
if (which2.style.MozOpacity) which2.style.MozOpacity=0.8
else if (which2.filters) which2.filters.alpha.opacity=70
}

function fenyesit(cur2){
if (cur2.style.MozOpacity<1)
cur2.style.MozOpacity=parseFloat(cur2.style.MozOpacity)+0.1
else if (cur2.filters&&cur2.filters.alpha.opacity<100)
cur2.filters.alpha.opacity+=20
else if (window.vilagositas)
clearInterval(vilagositas)
}

function sotetit50(cur2){
if (cur2.style.MozOpacity>0.5) 
cur2.style.MozOpacity=parseFloat(cur2.style.MozOpacity)-0.1
else if (cur2.filters&&cur2.filters.alpha.opacity>50) 
cur2.filters.alpha.opacity-=50
else if (window.sotetites) 
clearInterval(sotetites)
}