function printLoginForm(width,height,error){

    newWidth  = parseInt(width) + 20;
    newHeight = parseInt(height) + 40;

    var documentHeight = parseInt($(document).height());
    var documentWidth  = parseInt($(document).width());
    
    var marginLeft     = ((documentWidth - newWidth)/2);
    var marginTop      = 50;
        
	html  = '<div id="overlay"></div>';
    html += '<div id="overlayContent" style="width:'+newWidth+'px;height:'+newHeight+'px;margin-left:'+marginLeft+'px;margin-top:'+marginTop+'px;">';
    html += '<div class="exit"><img onclick="closeWindow();" src="/Public/Images/exit.png" /></div>';
    html += '<div class="login_error">'+error+'</div>';
    html += '<form action="/login" method="post">';
    html += '<table class="login_table"><tr><td class="login_jmeno">Jméno:&nbsp;</td><td><input type="text" name="login" value=""></td></tr>';
    html += '<tr><td class="login_heslo">Heslo:&nbsp;</td><td><input type="password" name="password" value=""></td></tr>';
    html += '<tr><td></td><td><input class="submit" type="submit" name="odeslatLogin" value="Přihlásit"></td></tr></table>';
    html += '</form>';
    html += '</div>';
    
	$("body").append(html);
	
}


function closeWindow(){
	
	$("div#overlay").fadeOut(600, function() { $(this).remove(); });
    $("div#overlayContent").fadeOut(600, function() { $(this).remove(); });
    window.location = "/";
    
}