function send_link()
{
	var category = document.getElementById("category").value
	var link_url = document.getElementById("link_url").value
	var link_name = document.getElementById("link_name").value
	var sender_email = document.getElementById("sender_email").value
	var sender_name = document.getElementById("sender_name").value
	
	var error_container = document.getElementById("error_container");
	
	if(link_url == "" || sender_email == "")
	{
		error_container.innerHTML = "A link címét és az e-mail címed kötelező megadni!";
	}
	else if (sender_email.indexOf("@") < 1 || sender_email.lastIndexOf(".") < 2)
	{
		error_container.innerHTML = "Az e-mail címed nem megfelelő!";
	}
	else
	{
		error_container.innerHTML = "Küldés folyamatban...";
		
		$.get("../php/send_link.php", { category: category, link_url: link_url, link_name: link_name, sender_email: sender_email, sender_name: sender_name },
		function(data)
		{
			document.getElementById("content").innerHTML = data;
		})
	}
}

function send_message()
{
	var sender_email = document.getElementById("sender_email").value
	var sender_name = document.getElementById("sender_name").value
	var message = document.getElementById("message").value
	
	var error_container = document.getElementById("error_container");
	
	if(message == "" || sender_email == "")
	{
		error_container.innerHTML = "Az e-mail címed és az üzeneted kötelező megadni!";
	}
	else if (sender_email.indexOf("@") < 1 || sender_email.lastIndexOf(".") < 2)
	{
		error_container.innerHTML = "Az e-mail címed nem megfelelő!";
	}
	else
	{
		error_container.innerHTML = "Küldés folyamatban...";
		
		$.get("../php/send_message.php", { sender_email: sender_email, sender_name: sender_name, message: message },
		function(data)
		{
			document.getElementById("content").innerHTML = data;
		})
	}
}

function clearField()
{
	if (document.search_form.search_key.value == "Ital neve")
	{
		document.search_form.search_key.value = "";
	}
}

function searchDrink()
{
	if (document.search_form.search_key.value == "Ital neve" || document.search_form.search_key.value == "")
	{
		document.search_form.search_key.select();
	}
	else
	{
		for (i = 0; i <document.search_form.search_engine.length; i++)
		{
			if (document.search_form.search_engine[i].checked)
			{
				chosen = document.search_form.search_engine[i].value;
			}
		}
	
		if (!chosen)
		{
			alert("Nincs kiválasztva kereső!")
		}
		else
		{
			if (chosen == "drink4you")
			{
				search_url = "http://www.drink4you.hu/?drink=";
			}
			else
			{
				search_url = "http://hu.wikipedia.org/wiki/?search=";
			}
			
			document.location.href = search_url + document.search_form.search_key.value;
		}
	}
}

function changeMap(regio_id, regio_name)
{
	$.get("php/read_trainings.php", { param: regio_id },
	function(data)
	{
		document.getElementById("regio_name").innerHTML = regio_name;
		document.getElementById("cities").innerHTML = data;
	})
}