function hidePreloader() {
	var objekt=document.getElementById("preloader");
	objekt.style.display="none";
}

function SetCookie(name, value, den, mesic, rok) {
	var expires = new Date(rok, mesic, den);
	document.cookie=name+"="+value+"; expires=" + expires.toUTCString();
//	alert(name+"="+value+"; EXPIRES=" + expires.toUTCString());
//	alert(name+"="+value);
}
function SetCookieExact(name, value, datum) {
	var expires = new Date(datum);
	document.cookie=name+"="+value+"; expires=" + expires.toUTCString() +"; path=/; domain=vzdelani.cz";
//	alert(name+"="+value+"; EXPIRES=" + expires.toUTCString());
//	alert(name+"="+value);
}
function DeleteCookie(name) {
	var expires = new Date();
	document.cookie=name+"=; path=/; domain=vzdelani.cz; expires=" + expires.toUTCString();
}
function getRadioValue (radioButtonOrGroup) {
	var value = null;
	if (radioButtonOrGroup.length) { // group 
    	for (var b = 0; b < radioButtonOrGroup.length; b++)
			if (radioButtonOrGroup[b].checked) value = radioButtonOrGroup[b].value;
	}
	else if (radioButtonOrGroup.checked) value = radioButtonOrGroup.value;
	return value;
}

function otevriShop(ID, server) {
//s	alert(server+'/shop/barrister.php?page=info&ID='+ID);
	//s = window.open(server+'/shop/barrister.php?page=info&ID='+ID,'','width=578, height=550, toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0')
	s = window.open(server+'/shop/index.php','','directories=0,status=0,menubar=0,scrollbars=1,resizable=1')
//	s.document.open();
//	s.document.write('<html><head><title>www.Vzdělání.CZ - Podrobné informace</title><frameset border=0 framespacing=0 frameborder=0 rows="50,100%,19"><frame name=topBar src="'+server+'/shop/hlavicka.php" scrolling=no noresize><frame name=winBar src="'+server+'/shop/barrister.php?page=info&ID='+ID+'" scrolling=yes noresize><frame name=statusBar src="'+server+'/shop/paticka.php" scrolling=no noresize></frameset></head></html>');
//	s.document.write('<html><head><title>www.Vzdělání.CZ - Podrobné informace</title><frameset border=0 framespacing=0 frameborder=0 rows="50,100%"><frame name=topBar src="'+server+'/shop/hlavicka.php" scrolling=no noresize><frame name=winBar src="'+server+'/shop/barrister.php?page=info&ID='+ID+'" scrolling=yes noresize></frameset></head></html>');
//	s.document.close();
	
	s.moveTo((parseInt(screen.width)-562)/2,(parseInt(screen.height)-550)/2);
}

function login(login, heslo) {
	SetCookie("login", login, 1, 1, 2006)
	SetCookie("heslo", heslo, 1, 1, 2006)
}
function odhlasit() {
	DeleteCookie("login")
	DeleteCookie("heslo")
	self.location.replace(self.location.protocol+'//'+self.location.hostname)
//	alert(self.location.protocol+'//'+self.location.hostname)
}

var up,down;
var min1,sec1;
var cmin1,csec1,cmin2,csec2;
function Minutes(data) {
	for(var i=0;i<data.length;i++) 
	if(data.substring(i,i+1)==":") 
	break;  
	return(data.substring(0,i)); 
}
function Seconds(data) {        
	for(var i=0;i<data.length;i++) 
	if(data.substring(i,i+1)==":") 
	break;  
	return(data.substring(i+1,data.length)); 
}
function Display(min,sec) {     
	var disp;       
	if(min<=9) disp=" 0";   
	else disp=" ";  
	disp+=min+":";  
	if(sec<=9) disp+="0"+sec;       
	else disp+=sec; 
	return(disp); 
}
function Up() { 
	cmin1=0;        
	csec1=0;        
	min1=0+Minutes(document.sw.beg1.value); 
	sec1=0+Seconds(document.sw.beg1.value); 
	UpRepeat(); 
}
function UpRepeat() {   
	csec1++;        
	if(csec1==60) {
		csec1=0; cmin1++; 
	}
	document.sw.disp1.value=Display(cmin1,csec1);   
	if((cmin1==min1)&&(csec1==sec1)) alert("Stopwatch Stopped");     
	else up=setTimeout("UpRepeat()",1000); 
}
function Down() {       
	cmin2=1*Minutes(document.sw.beg2.value);        
	csec2=0+Seconds(document.sw.beg2.value);        
	DownRepeat(); 
}
function DownRepeat() { 
	csec2--;        
	if(csec2==-1) { 
		csec2=59; cmin2--; 
	}       
	document.sw.disp2.value=Display(cmin2,csec2);   
	if((cmin2==0)&&(csec2==0)) alert("Countdown Stopped");     
	else down=setTimeout("DownRepeat()",1000); 
}