function submitComment(){
	var name=escape(document.getElementById('commentName').value);
	var comment=escape(document.getElementById('commentTextarea').value);
	var genre=document.getElementById('genre').value;
	var contentId=document.getElementById('contentId').value;
	if(comment=='') return false;
	document.getElementById('commentStatus').innerHTML='';
	// create xmlHTTPrequest Object
	var request=false; request=(window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
	if(!request){ alert ("Seems like your browser is out of date. You should try Firefox!"); return false; }
	document.getElementById('submitComment').disabled=true;
	document.getElementById('submitComment').value='Processing..';
	if(request){
		request.onreadystatechange = function() { returnComment(request); };
		request.open('POST', '/comments/add.php', true);
		request.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		request.send('genre='+genre+'&name='+name+'&comment='+comment+'&contentId='+contentId);
	}
	return false;
}
function returnComment(request){
	if (request.readyState==4){
	    if (request.status==200){
			if((request.responseText).substr(0,2)=='0-'){
				document.getElementById('submitComment').disabled=false;
				document.getElementById('submitComment').value='Submit';
				document.getElementById('submitComment').color='#711616';
				document.getElementById('commentStatus').innerHTML=(request.responseText).substring(2);
			}
			else{
				document.getElementById('newComment').innerHTML=request.responseText;
			}
		}
	}
}