<!--/*	Ubytování Praha	(c) 1997-2006 Nux s.r.o. <info(at)nux(dot)cz>*/function check_email(){	if (window.RegExp)	{		re = new RegExp('^[_a-zA-Z0-9\.\-]+@[_a-zA-Z0-9\.\-]+\.[a-zA-Z]{2,4}$');		if (!re.test(getid('email').value))		{			window.alert('E-mailová adresa není ve správném formátu!');			return false;		}	}}function email(user, domain, tld){	var address = user+"@"+domain+"."+tld;	return address;}function getid(id){	return document.getElementById(id);}function locker(check,input){	getid(input).disabled = !(getid(check).checked);	if (getid(check).checked == true)	{		getid(input).focus();	}}function mailto(user, domain, tld){	window.location = "mailto:"+email(user, domain, tld);}function popup(language, url, refresh, width, height){	popup_path = "http://www.ruzickovi.cz/includes/pop-up.php?language="+language+"&url="+url+"&refresh="+refresh;	popup_window = window.open(popup_path, "image", "directories=no,location=no,menubar=no,resizable=yes,scrollbars=no,status=no,toolbar=no,top=0,left=0,width="+width+",height="+height);	popup_window.focus();}//-->
