var xmlHttp;

function getXmlHttpObject()
{
	var xmlHttp = null;
	try
	{ // Firefox, Opera, Safari
		xmlHttp = new XMLHttpRequest();
	}
	catch (e)
	{ //Explorer
		try
		{
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)
		{
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function photos(filename)
{
	xmlHttp = getXmlHttpObject();
	if(xmlHttp==null)
	{
		alert("Your browser does not support AJAX!");
		return;
	}
	var url = "femszerk.php?txt="+filename;
	xmlHttp.onreadystatechange=change;
	xmlHttp.open("GET", url, true);
	xmlHttp.send(null);	
}

function doChange(filename, ischange)
{
	xmlHttp = getXmlHttpObject();
	if(xmlHttp==null)
	{
		alert("Your browser does not support AJAX!");
		return;
	}
	var url = "femszerk.php?txt="+filename;
	xmlHttp.onreadystatechange=change;
	xmlHttp.open("GET", url, true);
	xmlHttp.send(null);
	if(ischange)
	{
		if(filename.match("hun"))
		{
			document.getElementById("header").innerHTML="<h1>Illés Lajos<br />vállalkozási menedzser</h1>";
			var html = "<ul>"+
							"<li><a class=\"menu\" href=\"javascript:doChange('hun_intro', false);\">Bemutatkozás</a></li>"+
							"<li><a class=\"menu\" href=\"javascript:doChange('hun_refs', false);\">Referenciák</a></li>"+
							"<li><a class=\"menu\" href=\"javascript:photos('hun_photos');\">Képek</a></li>"+
							"<li><a class=\"menu\" href=\"javascript:doChange('hun_contact', false);\">Elérhetőségek</a></li>"+
							"<li><a class=\"flag\" href=\"javascript:doChange('hun_intro', false)\"><img src=\"images/magyar_zaszlo.jpg\" height=\"20px\"></img></a></li>"+
							"<li><a class=\"flag\" href=\"javascript:doChange('eng_intro', true)\"><img src=\"images/angol_zaszlo.jpg\" height=\"20px\"></img></a></li>"+
							"<li><a class=\"flag\" href=\"javascript:doChange('ger_intro', true)\" style=\"border-right: 0px\"><img src=\"images/nemet_zaszlo.jpg\" height=\"20px\"></img></a></li>"+
						"</ul>";
			document.getElementById("nav").innerHTML=html;
		}
		if(filename.match("eng"))
		{
			document.getElementById("header").innerHTML="<h1>Lajos Illés<br />enterprise manager</h1>";
			var html = "<ul>"+
							"<li><a class=\"menu\" href=\"javascript:doChange('eng_intro', false);\">Introduction</a></li>"+
							"<li><a class=\"menu\" href=\"javascript:doChange('eng_refs', false);\">References</a></li>"+
							"<li><a class=\"menu\" href=\"javascript:photos('eng_photos');\">Photos</a></li>"+
							"<li><a class=\"menu\" href=\"javascript:doChange('eng_contact', false);\">Contacts</a></li>"+
							"<li><a class=\"flag\" href=\"javascript:doChange('hun_intro', true)\"><img src=\"images/magyar_zaszlo.jpg\" height=\"20px\"></img></a></li>"+
							"<li><a class=\"flag\" href=\"javascript:doChange('eng_intro', false)\"><img src=\"images/angol_zaszlo.jpg\" height=\"20px\"></img></a></li>"+
							"<li><a class=\"flag\" href=\"javascript:doChange('ger_intro', true)\" style=\"border-right: 0px\"><img src=\"images/nemet_zaszlo.jpg\" height=\"20px\"></img></a></li>"+
						"</ul>";
			document.getElementById("nav").innerHTML=html;	
		}
		if(filename.match("ger"))
		{
			document.getElementById("header").innerHTML="<h1>Lajos Illés<br />Unternehmensmanager</h1>";
			var html = "<ul>"+
							"<li><a class=\"menu\" href=\"javascript:doChange('ger_intro', false);\">Vorstellung</a></li>"+
							"<li><a class=\"menu\" href=\"javascript:doChange('ger_refs', false);\">Referenze</a></li>"+
							"<li><a class=\"menu\" href=\"javascript:photos('ger_photos');\">Fotos</a></li>"+
							"<li><a class=\"menu\" href=\"javascript:doChange('ger_contact', false);\">Kontakt</a></li>"+
							"<li><a class=\"flag\" href=\"javascript:doChange('hun_intro', true)\"><img src=\"images/magyar_zaszlo.jpg\" height=\"20px\"></img></a></li>"+
							"<li><a class=\"flag\" href=\"javascript:doChange('eng_intro', true)\"><img src=\"images/angol_zaszlo.jpg\" height=\"20px\"></img></a></li>"+
							"<li><a class=\"flag\" href=\"javascript:doChange('ger_intro', false)\" style=\"border-right: 0px\"><img src=\"images/nemet_zaszlo.jpg\" height=\"20px\"></img></a></li>"+
						"</ul>";
			document.getElementById("nav").innerHTML=html;	
		}
	}
}

function change()
{
	if(xmlHttp.readyState == 4)
	{
		document.getElementById("content").innerHTML=xmlHttp.responseText;
	}
}