function checkEmail(mail)
		{	
			var re = new RegExp('(^[\\w\\.-]+@(([\\w-]+[\\.])+[a-zA-Z]{2,7})$)');
			var m = re.test(mail);
			if (!m)
			{
				alert("Email "+mail+" není platný!");
			}
			return m;
		}
	
        $(document).ready(function() {
            var allA = $('div.div_image a:has(img)');
            allA.attr('rel','lightbox');
            allA.each(function() {
                if ($(this).attr('title') == "")
                    $(this).attr('title', $(this).find('img').attr('alt'));
            })
            var galeryA = $('div.div_image a:has(img)');
                galeryA.lightbox({
		        fileLoadingImage: 'http://www.liceor.cz/cms-web/libs/lightbox/images/loading.gif',
        		fileBottomNavCloseImage: 'http://www.liceor.cz/cms-web/libs/lightbox/images/close.gif',
                fitToScreen: true,
                displayDownloadLink: false,
                strings: {
                    help: ' \u2190 / P - previous image\u00a0\u00a0\u00a0\u00a0\u2192 / N - next image\u00a0\u00a0\u00a0\u00a0ESC / X - close image gallery',
                    prevLinkTitle: 'previous image',
                    nextLinkTitle: 'next image',
                    prevLinkText:  '««',
                    nextLinkText:  '»»',
                    closeTitle: 'close image gallery',
                    image: ' ',
                    of: ' / ',
                    download: 'Download'
                }
            });
        });