// JavaScript Document

function alphaFixIE() { var s, i, j; // IMG
var els = document.getElementsByTagName("IMG"); for (i=0; i<els.length; i++) { s = els[i].src; if (s.toLowerCase().indexOf(".png") != -1) { els[i].src = "site_images/spacer.gif"; els[i].style.filter += "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + s + "', sizingMethod=image);"; } } // CSS: background 
for (i=0; i<document.styleSheets.length; i++) { 
	var pos = document.styleSheets[i].href.lastIndexOf("/"); 
	var cssDir = (pos != -1) ? document.styleSheets[i].href.substring(0, pos + 1) : "";
	for (j=0; j<document.styleSheets[i].rules.length; j++) { 
		var style = document.styleSheets[i].rules[j].style;
		if (style.backgroundImage.toLowerCase().indexOf(".png") != -1) {
			var filename = style.backgroundImage.substring(4, style.backgroundImage.length - 1);
			if (filename.indexOf("http://") != 0 && filename.indexOf("/") != 0) filename = cssDir + filename;
			style.backgroundImage = "none";
			style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + filename + "', sizingMethod='scale');";
		}
	}
}
}

if (navigator.userAgent.indexOf("MSIE") != -1 && navigator.userAgent.indexOf("MSIE 7.0") == -1 && (navigator.userAgent.indexOf("MSIE 6.0") != -1 || navigator.userAgent.indexOf("MSIE 5.5") != -1) && navigator.userAgent.indexOf("Windows") != -1) {
	window.attachEvent("onload", alphaFixIE);
}

for (var i=1;i<=6;i++) {
	var image=new Image();
	image.src="site_images/menu"+i+"_hl.jpg";
}

function selectMenu(id) {
	document.getElementById('img_menu'+id).src="site_images/menu"+id+"_hl.jpg";
}

function deselectMenu(id) {
	document.getElementById('img_menu'+id).src="site_images/menu"+id+".jpg";
}


var last_image;
var gallery_dir;
var image;
var text;

function init(dir,last,t) {
	last_image=last;
	gallery_dir=dir;
	image=1;
	text=t;
	loadImage(1);
}

function loadImage(image) {
	if (document.getElementById("img_kep").src!=gallery_dir+"/"+image+".jpg")
		document.getElementById("img_kep").src=gallery_dir+"/"+image+".jpg";
	document.getElementById("td_kepszoveg").innerHTML=text[image];
}

function prevImage() {
	image--;
	if (image<1) image=last_image;
	loadImage(image);
}

function nextImage() {
	image++;
	if (image>last_image) image=1;
	loadImage(image);
}