//******************************************
//lib.js
//
//zakladni js includ
//rezijni fce, zakladni definice, atp.
//
//by mirek@multimedia.cz
//******************************************

function isEmail(s)
{
	s += "";
	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)");
	var r2 = new RegExp("^[a-zA-Z0-9\\-\\.]+\\@[a-zA-Z0-9\\-\\.]+\\.[a-zA-Z]{2,4}$");
	if (r1.test(s) || !r2.test(s))
		return false;
	return true;
}

function showPhoto(url, w, h) {
	w = window.open(url,  'popup', 'width='+w+',height='+h+',menubar=no,resizable=no');
	return false;
}