// JavaScript Document
var lock = false
var slen = 100;
var maxLen = 100;

function countit() {
  if (!lock) {
	lock=true;
	str= document.forms[1].inzerat.value;
	strlength= str.length;
	if (strlength > slen) {
	  document.forms[1].cntr1.value="!!!";
	  alert("Dlouhý text!");
	  document.forms[1].inzerat.value=str.substring(0,slen);
	} else
	  document.forms[1].cntr1.value = slen - strlength;
	lock=false;
  }
}
function cleantext() {
  document.forms[1].inzerat.value="";
  countit();
}