var szamolo = 0;
var alpha=100;
var mutato = 0;
var tmarginleft = 0;
function fg()
	{
	if( szamolo < 48)
		{
		document.getElementById("topimg").style.filter = "alpha(opacity=" + alpha + ")";
		document.getElementById("topimg").style.MozOpacity=alpha/100;
		document.getElementById("topimg").style.opacity=alpha/100;
		alpha = alpha - 2;
		}
	if( szamolo == 48)
		{
		mutato = mutato + 1;
		//alert (mutato +"?="+ kepekszama);
		if ( mutato == kepekszama ) mutato = 0;
		document.getElementById("topimg").src = kepekkep[mutato].src;
		
		}
	if( szamolo>48 && szamolo < 100)
		{
		document.getElementById("topimg").style.filter = "alpha(opacity=" + alpha + ")";
		document.getElementById("topimg").style.MozOpacity=alpha/100;
		document.getElementById("topimg").style.opacity=alpha/100;
		alpha = alpha + 2;
		}
	if( szamolo == 250)
		{
		szamolo = -2;
		}	
	szamolo = szamolo + 1;
	var t=setTimeout("fg()",25);
	}
fg();