version = navigator.appVersion.toLowerCase();
agent = navigator.userAgent.toLowerCase();
ie = (version.indexOf('msie')>-1);
win = (version.indexOf('windows')>-1);
opera = (agent.indexOf('opera')>-1);

function prn() {
document.write('\074a a  title="Print this page" class="print" href=\"javascript:goprn();\"\076Print\074/a\076');
}
function goprn() {
window.print();
}

function fav() {
if ((opera) && (win)) return false;
else if ((ie) && (win)) document.write('\074a title="Add to bookmarks" class="fav" href=\"javascript:gofav();\"\076Boomark\074/a\076');
}
function gofav() {
window.external.addFavorite('http://www.monarcha.cz/','Monarcha');
}

function checkMail(vstupy)
{
var string = "";
var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})$/;
var email1 = vstupy.email1.value;
var email2 = vstupy.email2.value;
if (!filter.test(email1)) string = string + "Your email is bad. \n\n";
if (!filter.test(email2)) string = string + "Email is bad.\n\n";
if (string) {
alert(string);
return false
}
else return true
}

function trim(dlh){
  dlh=dlh.replace(/^[\s]+/g,"");
  dlh=dlh.replace(/[\s]+$/g,"");
  return dlh;
}

function isMail(email){
  var mailE=new RegExp("^[_a-zA-Z0-9\.\-]+@[_a-zA-Z0-9\.\-]+\.[a-zA-Z]{2,4}$");
  return mailE.test(email);
}

function CheckForm(p){
if(trim(p.name.value)==""){alert('Name is not filled.');p.name.focus();return false;}
if(isMail(p.email.value)==""){alert('Email is bad.');p.email.focus();return false;}
if(p.email.value.indexOf("@monarcha.cz")!==-1) {alert('Email can not from monarcha.cz domain!');p.email.focus();return false;}
if(trim(p.comment.value)==""){alert('Message is not filled.');p.email.focus();return false;}
return true;
}