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;
		}
function getScrollXY() {
  var scrOfX = 0, scrOfY = 0;
  if( typeof( window.pageYOffset ) == 'number' ) {
    //Netscape compliant
    scrOfY = window.pageYOffset;
    scrOfX = window.pageXOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    scrOfY = document.body.scrollTop;
    scrOfX = document.body.scrollLeft;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE6 standards compliant mode
    scrOfY = document.documentElement.scrollTop;
    scrOfX = document.documentElement.scrollLeft;
  }
  return [ scrOfX, scrOfY ];
}
    function onScroll(){
        var posunuti = 10;
        var dfixed = document.getElementById('fixed-div');
        var dscroll = document.getElementById('scroll-div');
        var fixedTop = AnchorPosition_getPageOffsetTop(dfixed);
        var scrollTop = AnchorPosition_getPageOffsetTop(dscroll);
        var pageTop = getScrollXY()[1];
//        alert(fixedTop + " " + pageTop);
//        alert(dscroll.style.top);
        if ( fixedTop-posunuti < pageTop ) {
            dscroll.style.top = (pageTop - fixedTop + posunuti) + 'px';
        } else {
            dscroll.style.top = '0px';
        }
        
    }
    window.onscroll = onScroll;

        $(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:  '&laquo;&laquo;',
                    nextLinkText:  '&raquo;&raquo;',
                    closeTitle: 'close image gallery',
                    image: ' ',
                    of: ' / ',
                    download: 'Download'
                }
            });
        });