// Get base url
url = document.location.href;
xend = url.lastIndexOf("/") + 1;
var base_url = url.substring(0, xend);

var ajax_get_error = false;

function ajax_do (url) {
	// Does URL begin with http?
	if (url.substring(0, 4) != 'http') {
		url = base_url + url;
	}

	// Create new JS element
	var jsel = document.createElement('SCRIPT');
	jsel.type = 'text/javascript';
	jsel.src = url;

	// Append JS element (therefore executing the 'AJAX' call)
	document.body.appendChild (jsel);

	return true;
}

function ajax_get (url, el, vnoreni, hodnota) {
	// Has element been passed as object or id-string?
	if (typeof(el) == 'string') {
		el = document.getElementById(el);
	}

	// Valid el?
	if (el == null) { return false; }

	// Does URL begin with http?
	if (url.substring(0, 4) != 'http') {
		url = base_url + url;
	}
	var val;
	//hodnot = document.getElementById(hodnota);
	val = hodnota;

	// Create getfile URL
	//getfile_url = base_url + 'getfile.php?url=' + escape(url) + '&el=' + escape(el.id);
	if (vnoreni == 0) {
		getfile_url = 'applet/engine.ajax.getfile.php?url=' + escape(url) + '&el=' + escape(el.id) + '&val=' + escape(val);
	}
	if (vnoreni == 1) {
		getfile_url = '../applet/engine.ajax.getfile.php?url=' + escape(url) + '&el=' + escape(el.id) + '&val=' + escape(val);
	}
	if (vnoreni == 2) {
		getfile_url ='../../applet/engine.ajax.getfile.php?url=' + escape(url) + '&el=' + escape(el.id) + '&val=' + escape(val);
	}
	// Do Ajax
	ajax_do (getfile_url);

	return true;
}

function ajax_get2 (url, el, vnoreni, hodnota, append) {
	// Has element been passed as object or id-string?
	if (typeof(el) == 'string') {
		el = document.getElementById(el);
	}

	// Valid el?
	if (el == null) { return false; }

	el.innerHTML = "Nacitam...";

	// Does URL begin with http?
	if (url.substring(0, 4) != 'http') {
		url = base_url + url;
	}
	var val;
	//hodnot = document.getElementById(hodnota);
	val = hodnota;

	// Create getfile URL
	//getfile_url = base_url + 'getfile.php?url=' + escape(url) + '&el=' + escape(el.id);
	if (vnoreni == 0) {
		getfile_url = 'applet/engine.ajax.getfile.php?url=' + escape(url) + '&el=' + escape(el.id) + '&val=' + escape(val) + append;
	}
	if (vnoreni == 1) {
		getfile_url = '../applet/engine.ajax.getfile.php?url=' + escape(url) + '&el=' + escape(el.id) + '&val=' + escape(val) + append;
	}
	if (vnoreni == 2) {
		getfile_url ='../../applet/engine.ajax.getfile.php?url=' + escape(url) + '&el=' + escape(el.id) + '&val=' + escape(val) + append;
	}
	// Do Ajax
	ajax_do (getfile_url);

	return true;
}

function ajax_getfunct (url, funk, vnoreni, hodnota, append) {
	// Has element been passed as object or id-string?

	// Does URL begin with http?
	if (url.substring(0, 4) != 'http') {
		url = base_url + url;
	}
	var val;
	//hodnot = document.getElementById(hodnota);
	val = hodnota;

	// Create getfile URL
	//getfile_url = base_url + 'getfile-function.php?url=' + escape(url) + '&func=' + funk;
	if (vnoreni == 0) {
		getfile_url = 'applet/engine.ajax.getfile-function.php?url=' + escape(url) + '&func=' + funk + '&val=' + escape(val) + append;
	}
	if (vnoreni == 1) {
		getfile_url = '../applet/engine.ajax.getfile-function.php?url=' + escape(url) + '&func=' + funk + '&val=' + escape(val) + append;
	}
	if (vnoreni == 2) {
		getfile_url ='../../applet/engine.ajax.getfile-function.php?url=' + escape(url) + '&func=' + funk + '&val=' + escape(val) + append;
	}
	// Do Ajax
	ajax_do (getfile_url);

	return true;
}