var str = "";
function change_value(elem)
{
if(elem.value == "Navn" || 
	elem.value =="Email")
	{
		str = elem.name;
		elem.value = "";
	}
}

function reset_value(elem)
{
	if(elem.value=="")
		elem.value = str;
}

function chng_img1()
{
	document.getElementById('subscribe').checked = true;
	document.getElementById('unsubscribe').checked = false; 
	document.getElementById('img_subscribe').src='include/images/site/radio_checked.jpg'; 
	document.getElementById('img_unsubscribe').src='include/images/site/radio.jpg';
	document.getElementById('subscription').value='1';
}

function chng_img2()
{
	document.getElementById('unsubscribe').checked = true;
	document.getElementById('subscribe').checked = false; 
	document.getElementById('img_subscribe').src='include/images/site/radio.jpg'; 
	document.getElementById('img_unsubscribe').src='include/images/site/radio_checked.jpg';
	document.getElementById('subscription').value='0';
}