function changeExtraCosts(action)
{
	var ec = document.getElementsByName("home[extraCosts]")[0];

	if(action == 0)
	{
		ec.disabled = true;
		ec.value = "";
	}
	else
	{
		ec.disabled = false;
	}
}

function validateContactAdvertiserForm()
{
	if(document.getElementsByName("request[email]")[0].value == "")
	{
		if(document.getElementsByName("request[phone]")[0].value == "")
		{
			return "failed_0";
		}
		else
		{
			document.getElementById("validate_id_1").title = "email";
		}
	}
	
	return true;
}

function selectImage(img)
{
	for(var i = 1; i <= 5; i++)
	{
		var el = document.getElementById("previewImage" + i);
		
		el.className = img == i ? "previewImageSelected" : "";
	}
}