function eltunik(a){
	document.getElementById("bodyid").style.overflow="hidden";
	setTimeout("eltunik2(10)",5000);
}

function eltunik2(a){
	document.getElementById("piroskocsidiv").style.opacity=a/10;
	document.getElementById("piroskocsidiv").style.filter = 'alpha(opacity=' + a*10 + ')';
	if (a>0) {
			setTimeout("eltunik2("+(a-1)+")",50);
		}else{
			document.getElementById("piroskocsidiv").style.display="none";
			document.getElementById("bodyid").style.overflow="visible";
	} 
}

function tV(cellaid){
var x = document.getElementById(cellaid);
if (x.style.display=="none"){
	x.style.display="";
} else {
	x.style.display="none";
}
}