function writeReview(ad_id)
{
	new Ajax.Request('/annunci.php',{
								  method:'get',
								  parameters: { ad_id:ad_id,action:'write_review',ajax_request:1 },
								  onSuccess:function(transport,json) {
									
										if (json)
										{
											
											alert("write review redirect");
											alert(json.redirect_url);
											if (json.action == 'redirect')
											{
												window.location = json.redirect_url;
											}
										}
										else
										{
										  var review_section = $('review_section');
										  review_section.update(transport.responseText);
										}
								  	}
								  });	
}

function submitReview()
{
		var params = $('fNewReview').serialize(); //safari fix
		new Ajax.Request('/annunci.php',{
								  method:'post',
								  parameters: params,								  
								  onSuccess:function(transport,json) {									
									  if (json)
										{
											if (json.action == 'redirect')
											{
												window.location = json.redirect_url;
											}
										}
										else
										{
										  var review_section = $('review_section');
										  review_section.update(transport.responseText);
										}
								  	}
								  });	
}