function NewWin(name){
  win_height = (0.7 * screen.height)
  win_pos_x=((screen.width-690)/2);
  win_pos_y=((screen.height-win_height)/2); 

  Win = window.open(name,'nic','toolbar=no,menubar=no,location=no,directories=no,left='+win_pos_x+',top='+win_pos_y+
                    'resizable=yes,scrollbars=yes,width=690,height='+ win_height);
}

function pressDefaultButton(defaultButtonId, event){

var btn = document.getElementById(defaultButtonId);
var nazev = "";
if (defaultButtonId.toString() == 'login_ctl00'){
    nazev = 'login2_login2_nick';    
}else{
    nazev = 'login_login_nick';
}

if (event.which) {
    if (event.which == 13) {
        document.getElementById(nazev).name = document.getElementById(defaultButtonId).name;
        event.returnValue = false;
        event.cancel = true;
        btn.click();
    }
} else {
    if (event.keyCode == 13) {
        document.getElementById(nazev).name = document.getElementById(defaultButtonId).name;
        event.returnValue = false;
        event.cancel = true;
        btn.click();
    }
}
}

function CountLenght(text,long){
    var maxlength = new Number(long); // Change number to your max length.
       
    if(text.value.length > maxlength){
            text.value = text.value.substring(0,maxlength);
            alert(" Maximální délka textu je " + long + " znaků.");
    }
 

}