var felsoid = this.value;
var browserName = navigator.appName; 

function thumblow()
	{
	for (i=1;i<gal_thumb_img.length;i++)
		{
		if (gal_thumb_img[i] != akt_thumb)
			{
			opacity(gal_thumb_img[i],100,30,500);
			thumb_id = document.getElementById(gal_thumb_img[i]+'_img');
			thumb_id.onmouseover = new Function("thumb_mover('"+gal_thumb_img[i]+"');");
			thumb_id.onmouseout = new Function("opacity('"+gal_thumb_img[i]+"',100,30,500);");
			thumb_id.onclick = new Function("akt_t('"+gal_thumb_img[i]+"');");
			thumb_id.style.cursor = 'pointer';
			}
		else
			{
			objt_dkj = document.getElementById(gal_thumb_img[i]);
			objt_dkj.style.filter = 'alpha(opacity=100)';
			objt_dkj.style.opacity = 1;
			objt_dkj.MozOpacity = 1;
			objt_dkj.style.cursor = 'default';
			}
		var i=i+0;
		}
/*	if (Number(galwidth) < 450)
		{
		f_thumb = document.getElementById('false_thumb').style;
		document.getElementById('motiongallery').style.height = '450px';
		f_thumb.position = 'absolute';
		f_thumb.top = '50%';
		f_thumb.marginTop = '-'+Number(galwidth)/2+'px';
		}*/
	thumb_name_size = akt_thumb.length;
	x = Number(thumb_name_size);
	img_izalo = akt_thumb.substring(6,x);
	document.getElementById('image').innerHTML = '<span id="'+img_izalo+'_img" style="opacity: 0; filter = \'alpha(opacity=0)\';"><img id="'+img_izalo+'_id" src="'+gallery_dir+img_izalo+'.jpg" alt="" /></span>';
	setTimeout(function(){akt_beallito2(akt_thumb)},500);
	setTimeout("opacity('"+img_izalo+"_img',0,100,500)",500)
	}

function thumb_mover(felsoid)
	{
	objt_dkj = document.getElementById(felsoid);
	objt_dkj.style.filter = 'alpha(opacity=100)';
	objt_dkj.style.opacity = 1;
	objt_dkj.MozOpacity = 1;
	objt_dkj.style.cursor = 'default';
	}
function akt_t(felsoid)
	{
	for (i=1;i<gal_thumb_img.length;i++)
		{
		if (gal_thumb_img[i] == felsoid)
			{
			valami = gal_img_name[i];
			objt_dkj = document.getElementById(felsoid);
			objtimg_dkj = document.getElementById(felsoid+'_img');
			objt_dkj.style.filter = 'alpha(opacity=100)';
			objt_dkj.style.opacity = 1;
			objt_dkj.MozOpacity = 1;
			objtimg_dkj.style.cursor = 'default';
			objtimg_dkj.onmouseover = new Function("");
			objtimg_dkj.onmouseout = new Function("");
			objtimg_dkj.onclick = new Function("");
			newimg = document.createElement("span");
			document.getElementById('image').appendChild(newimg);
			thumb_name_size = felsoid.length;
			x = Number(thumb_name_size);
			img_izalo = felsoid.substring(6,x);
			newimg.style.opacity = 0;
			newimg.style.filter = 'alpha(opacity=0)';
			newimg.id = img_izalo+'_img';
			newimg.innerHTML = '<img id="'+img_izalo+'_id" src="'+gallery_dir+img_izalo+'.jpg" alt="" />';
			prew_thumb_name_size = akt_thumb.length;
			y = Number(prew_thumb_name_size);
			pre_img = akt_thumb.substring(6,y);
			opacity(pre_img+'_img',100,0,500);
			setTimeout(function(){veg_img(pre_img)},501);
			setTimeout("akt_beallito('"+felsoid+"');",500);
			setTimeout(function(){onclicknullazo()},0);
			setTimeout(function(){onclickado()},1015);
			}
		else
			{
			if (document.getElementById(gal_thumb_img[i]).style.opacity == 1)
				{
				opacity(gal_thumb_img[i],100,30,500);
				thumb_id = document.getElementById(gal_thumb_img[i]+'_img');
				thumb_id.style.cursor = 'pointer';
				thumb_id.onmouseover = new Function("thumb_mover('"+gal_thumb_img[i]+"');");
				thumb_id.onmouseout = new Function("opacity('"+gal_thumb_img[i]+"',100,30,500);");
				thumb_id.onclick = new Function("akt_t('"+gal_thumb_img[i]+"');");
				}
			}
		var i=i+0;
		}
	}
function akt_beallito(felsoid)
	{
	akt_thumb = felsoid;
	szamolgato1 = Number(document.getElementById(img_izalo+'_id').offsetHeight)/2;
	szamolgato2 = Number(document.getElementById(img_izalo+'_id').offsetWidth)/2;
	if (navigator.userAgent.indexOf("Firefox") != -1)
		{
		document.getElementById(img_izalo+'_id').style.marginTop = '-'+szamolgato1+'px';
		document.getElementById(img_izalo+'_id').style.marginLeft = '-'+szamolgato2+'px';
		}
	else
		{
		document.getElementById(img_izalo+'_id').style.marginTop = '-'+szamolgato1+'px';
		document.getElementById(img_izalo+'_id').style.marginLeft = '-'+szamolgato2+'px';
		}
	xyz = Number(szamolgato1)-54;
	zyx = Number(szamolgato1)-38;
	setTimeout("opacity('"+newimg.id+"',0,100,500);",15);
	}
function akt_beallito2(felsoid)
	{
	akt_thumb = felsoid;
	szamolgato1 = Number(document.getElementById(img_izalo+'_id').offsetHeight)/2;
	szamolgato2 = Number(document.getElementById(img_izalo+'_id').offsetWidth)/2;
	document.getElementById(img_izalo+'_id').style.marginTop = '-'+szamolgato1+'px';
	document.getElementById(img_izalo+'_id').style.marginLeft = '-'+szamolgato2+'px';
	xyz = Number(szamolgato1)-54;
	zyx = Number(szamolgato1)-38;
	}

function veg_img(pre_img)
	{
	document.getElementById('image').removeChild(document.getElementById(pre_img+'_img'));
	}
function next_img()
	{
	for (i=1;i<gal_thumb_img.length;i++)
		{
		if (gal_thumb_img[i] == akt_thumb && i != gal_thumb_img.length-1)
			{
			akt_t(gal_thumb_img[i+1]);
			}
		if (gal_thumb_img[i] == akt_thumb && i == gal_thumb_img.length-1)
			{
			akt_t(gal_thumb_img[1]);
			}
		var i = i+0;
		}
	}
function prev_img()
	{
	for (i=1;i<gal_thumb_img.length;i++)
		{
		if (gal_thumb_img[i] == akt_thumb && i != gal_thumb_img.length-1)
			{
			akt_t(gal_thumb_img[i-1]);
			}
		if (gal_thumb_img[i] == akt_thumb && i == 1)
			{
			akt_t(gal_thumb_img[gal_thumb_img.length-1]);
			}
		if (gal_thumb_img[i] == akt_thumb && i == gal_thumb_img.length-1)
			{
			akt_t(gal_thumb_img[gal_thumb_img.length-2]);
			}
		var i = i+0;
		}
	}
function onclicknullazo()
	{
	document.getElementById('previmg').onclick = new Function("");
	document.getElementById('nextimg').onclick = new Function("");
	for (i=1;i<gal_thumb_img.length;i++)
		{
		if (gal_thumb_img[i] != akt_thumb)
			{
			document.getElementById(gal_thumb_img[i]+'_img').onclick = new Function("");
			}
		var i=i+0;
		}
	}
function onclickado()
	{
	document.getElementById('previmg').onclick = new Function("prev_img();");
	document.getElementById('nextimg').onclick = new Function("next_img();");
	for (i=1;i<gal_thumb_img.length;i++)
		{
		if (gal_thumb_img[i] != akt_thumb)
			{
			document.getElementById(gal_thumb_img[i]+'_img').onclick = new Function("akt_t('"+gal_thumb_img[i]+"');");
			}
		var i=i+0;
		}
	}