function reloadCaptcha() {
	$.get(
		"/project/reload-captcha/",
		{
		},
		function(data){
			$("#captcha-img").attr("src", '/var/captcha/'+data+'.png');
                        $("#captcha_text").val('');
		}
		);

}

function validateContactForm() {
    //validate name
    if ($("#name").val() == '') {
        alert('Vyplňte prosím jméno');
        $("#name").focus();
        return false;
    }

    //validate email

    if ($("#email").val() == '') {
        alert('Vyplňte prosím email');
        $("#email").focus();
        return false;
    }

    var regex = /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/i;

    if ( regex.test($("#email").val()) == false ) {
        alert('Vyplňte správně email');
        $("#email").focus();
        return false;
    }
    
    //validate msg
    if ($("#msg").val() == '') {
        alert('Vyplňte prosím dotaz');
        $("#msg").focus();
        return false;
    }

    //validate captcha
    var c_text = $("#captcha").val();

    var ret;
    $.ajax({
        type: "POST",
        url:"/project/validate-captcha/",
        async: false,
        data: {
            captcha_text: c_text
        },
        dataType: "text",
        success: function(data){
            ret = data;
    }
    });

   if (ret != 'true') {
        alert("Opište správně kód");
        $("#captcha").focus();
        return false;
   }
   
}


// Copyright 2006-2007 javascript-array.com

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose;