function InfoForm(formular)
{
	if (formular.Jmeno){
		if (formular.Jmeno.value == ""){
			alert('Prosím zadejte Vaše jméno');
			formular.Jmeno.focus();
			return false;	
		}
	}
	if (formular.Email){
		if ((formular.Email.value == "")){
		alert('Prosím zadejte Váš email');
		formular.Email.focus();
		return false;	
		}
	}
	if (formular.Telefon){
		if ((formular.Telefon.value == "")){
			alert('Prosím zadejte Váš telefon');
			formular.Tel.focus();
			return false;	
		}
	}
	if (formular.Mesto){
		if ((formular.Mesto.value == "")){
			alert('Prosím zadejte město');
			formular.Mesto.focus();
			return false;	
		}
	}
	if (formular.Text){ 
		if(formular.Text.value == ""){
			alert('Prosím zadejte zprávu');
			formular.Text.focus();
			return false;
		}
	}
	
	return SendForm(formular);

}
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function SendForm(x){
	CaptchaCode = readCookie('Captcha');
	if(x.Captcha.value!=CaptchaCode){
		alert("Zadali jste nesprávný ověřovací kód");
		RefreshCaptcha();
		x.Captcha.value = "";
		x.Captcha.focus();
		return false;
	}
	eraseCookie('Captcha');
	return true;
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function RefreshCaptcha(){
	eraseCookie('Captcha');
	$("Captcha").src = "/captcha/CaptchaSecurityImages.php?width=70&height=25&characters=5&"+ Math.random();
	
}
function $(id) {
	return document.getElementById(id);
}
var test;
function ShowError(Text,RefreshAfter){
	var Body = '<div id="loading-mask" style="width:100%;height:100%;position:absolute;z-index:20000;left:0;top:0;">&#160;</div>'+
	'<div id="loading" style="z-index: 20001; position: absolute">'+
		'<div class="loading-indicator">'+
	  	   '  &#160;' + Text + ' '+
	  '</div>'+
	 '</div>';
	test = document.createElement("div");
	//test.setAttribute('id','Informer');
	test.innerHTML = Body;
	document.getElementById("informer").style.display = 'block';
	document.getElementById("informer").appendChild(test);
	//document.getElementsByTagName("header").appendChild(test); 
	
	setTimeout('Destroy()',5000);
	if(RefreshAfter==1){
		setTimeout('SetLocation()',1000);
	}
}
function SetLocation(){
  	top.location.reload(true);
  }
function SetLocationURL(Url){
  	top.location = Url;
  }
function Destroy(){
	//document.removeChild($('document'));
	test.innerHTML = "";
	document.getElementById("informer").style.display = 'none';
}
function Texty(e){
	if(e.value !=''){
		e.value = '';
	}
}