var lock = false
var slen = 250;
var maxLen = 250;

function countit() {
  if (!lock) {
	lock=true;
	str= document.forms[0].anotace.value;
	strlength= str.length;
	if (strlength > slen) {
	  document.forms[0].cntr1.value="!!!";
	  alert("Dlouhý text!");
	  document.forms[0].anotace.value=str.substring(0,slen);
	} else
	  document.forms[0].cntr1.value = slen - strlength;
	lock=false;
  }
}

function cleantext() {
  document.forms[0].anotace.value="";
  countit();
}

function externalLinks() {
	if (!document.getElementsByTagName) return; 
	var anchors = document.getElementsByTagName("a"); 
	for (var i=0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") {
			anchor.target = "_blank";
		}
	} 
} 

function f(id) {
	var el=document.getElementById(id)
	if (el.style.display=="none") {
		el.style.display="";
	}
	else {
		el.style.display="none";
	}
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  w = window.open('',winName,features);
  w.document.open();
  w.document.writeln('<html><head><title>Detail</title><style type=\"text/css\">body{margin:0;padding:0}</style></head>');
  w.document.writeln('<body><img src=\"' + theURL + '\" onclick=\"window.close();\" alt=\"\" title=\"Click to close window\" /></body></html>');
  w.document.close();
}

function init() {
	var t = document.getElementById('stripe');
	externalLinks()
	if (t) stripeTable(t);
}

function stripeTable(t) {
	var i, odd = true;
	for (i=0; i<t.rows.length; i++) {
		t.rows[i].className += odd ? ' tma' : ' sve';
		odd = !odd;
	}
}

function stripeAllTables() {
	var t = document.getElementsByTagName('TABLE');
	for (var i=0; i<t.length; i++) stripeTable(t[i])
}

function fading() {
	if (i==pocet) i = 0;
	selector = "#img" + i;
	$(selector).fadeOut(2000)
	i++;
	if (i==pocet) i = 0;
	selector = "#img" + i;
	$(selector).fadeIn(2000);
}

	
window.onload = init;