function aktivuj(target) {
	var element = document.getElementById(target);
	element.style.display = '';
	return true;
}
function over_text(form_name, items) {
    for (var i in items) {
    	if (i == 'each') {
    		break;
    	}
        if (form_name[i].value == "") {
            alert (items[i]);
            form_name[i].style.backgroundColor = '#FFF8F8';
            form_name[i].style.border = '1px solid #ff0000';
            form_name[i].focus();
            return false;
        }
    }
    return true;
}

function check_email(element) {
	var re = new RegExp("^.+@.+\\..+$");
	if (!re.test(element.value)) {
		alert('Nesprávne zadaný email!');
        element.style.backgroundColor = '#FFF8F8';
        element.style.border = '1px solid #ff0000';
		element.focus();
		return false;
	}
	return true;
}

function confirm_window(str) {
	return confirm(str);
	
	var r = confirm(str);
	if(r) {
		return true;
	} else {
		document.write("sfj");
		return false;
	}
	return false;
}