function ajax_post_sync(url, content) {
	if (window.XMLHttpRequest) {
		try {
			var xmlHttp = new XMLHttpRequest();
		} 
		catch (ex) {}
	} 
	else if (window.ActiveXObject) {
		try {
			var xmlHttp = new ActiveXObject("MsXml2.XmlHttp");
		} 
		catch (ex) {}
	}
	
	xmlHttp.open('POST', url, false);
	xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=win-1250');
	xmlHttp.setRequestHeader('Accept-Encoding', 'win-1250');
	xmlHttp.send(content);
	return xmlHttp.responseText;
}

function ajax_post_async(url, content, callback) {
	if (window.XMLHttpRequest) {
		try {
			var xmlHttp = new XMLHttpRequest();
		} 
		catch (e) {}
	} 
	else if (window.ActiveXObject) {
		try {
			var xmlHttp = new ActiveXObject("MsXml2.XmlHttp");
		} 
		catch (e) {}
	}
	
	xmlHttp.onreadystatechange = function () {
		if (xmlHttp.readyState == 4) {
			if (xmlHttp.status == 200) {
				callback(xmlHttp.responseText);
			}
		}
	};

	xmlHttp.open('POST', url, true);
	xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded; charset=win-1250');
	xmlHttp.setRequestHeader('Accept-Encoding', 'win-1250');
	xmlHttp.send(content);
	return true;
}

function getNewImage(container, num) {
	try {
		ajax_post_async("/forum/random_image.php?rnd="+Math.random(), '', function (resp) {
			eval(resp);
			/*
			for (image in random_images) {
				document.getElementById(container).innerHTML = "<div style='height: 63px; overflow: hidden;'><a href='"+image.link+"' target='jobb'><img src='/"+image.url+"' style='border: 0px;' height='63' /></a></div>";
			}
			*/
			for (var i=0; i<random_images.length; i++) {
				document.getElementById(container).innerHTML = "<div style='height: 63px; overflow: hidden;'><a href='"+random_images[i].link+"' title='"+random_images[i].title+"' target='jobb'><img src='/"+random_images[i].url+"' style='border: 0px;' height='63' /></a></div>";
			}
		});
		// width: 150px; height: 63px; 
		// max-width: 150px; max-height: 63px; 
		// id='random_image_1'
		//resizeThumbnail(document.getElementById('random_image_1'), 150, 63);
	} 
	catch (e) {}
}