function getFeed(itemNum) {
	$.ajax({
		type: "POST",
		url: "php/ajax_main.php",
		data: "type=get&id="+itemNum,
		success: function(response){ 
			array = response.split(" <-0-> ");
			
			document.getElementById('Title').innerHTML = array[0];		
			document.getElementById('Date').innerHTML = array[3];
			document.getElementById('Text').innerHTML = array[1];
		}
	});
}

function getResponse(itemNum, mediaType) {
	var time = Math.round(((new Date()).getTime()-Date.UTC(1970,0,1))/1000);
	$.ajax({
		type: "POST",
		url: "php/ajax_main.php",
		data: "type=change&id="+itemNum+"&stamp="+time,
		success: function(response){ 
			if(mediaType != 'jpg') { document.getElementById('button').style.display = 'none';}
			else { document.getElementById('button').style.display = 'block';}
		}
	});
}