function catchange(id,userid,instid,therapyid,sessionid)
{
	if ($(id).value=="-1")
		return false;
	$("indi").style.visibility = '';
	var catAjax = new Ajax.Updater(
	"mult",
	"/rating/cgi-bin/AJAXrator.py/AJAXrator",
	{
		method:'post',
		postBody:'id='+id+'&value='+$(id).value+'&userid='+global_user_id+'&therapyid='+therapyid+'&instid='+instid+'&session_id='+sessionid,
		onFailure:errorOccured,
		onSuccess:ajaxSuccess
	}
	);
}

function loadTherapy(userid,therapyid)
{
	$("indi").style.visibility = '';
	var catAjax = new Ajax.Updater(
	"main",
	"/rating/cgi-bin/rate_pt.py/rate_pt",
	{
		method:'post',
		postBody:'therapyid='+therapyid,
		onFailure:errorOccured,
		onSuccess:ajaxSuccess
	}
	);
}

var ajaxSuccess = function(r)
{
	$("indi").style.visibility = 'hidden';

}

var errorOccured = function(r)
{
	$("indi").style.visibility = 'hidden';
	alert("Error: ".r.status+"/t"+r.statusText);
}