function adddiscovery(type,id)
{
	if(id != '')
	{

		var url = "index2.php?no_html=1&option=com_discovery&task=add&type=" + type+"&id=" + id;

		if(window.XMLHttpRequest) {

			reqDisc = new XMLHttpRequest();
		} else if(window.ActiveXObject) {

			reqDisc = new ActiveXObject("Microsoft.XMLHTTP");
		}
		reqDisc.open("GET", url, true);
		reqDisc.onreadystatechange = additdisc;
		reqDisc.send(null);
	}
}

function additdisc() {
	
	if(reqDisc.readyState == 4) {
		if(reqDisc.status == 200) {
		
			response = reqDisc.responseText;
			if(parseInt(response)==1){
				alert("This Item is already added in your discoveries.");
			}
			else if(parseInt(response)==2){
			alert("Please loged in to do that.");
			}else {
			
				document.getElementById('activelike').style.display='none';
				document.getElementById('inactivelike').style.display='block';
				alert("Discovery item added successfully.");
			}
		} else {
			alert("There was a problem retrieving the data:\n" + reqDisc.statusText);
		}
	}
}