function ajaxy(frm)	
{
	var xmlHttp;
	
	var url="/cmt_proc.php";
			
	//create request object
	try	{
		//FF, Opera or Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e)	{
		//IE
		try	{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e)	{
			//other
			try	{
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e)	{
				alert("Unable to load.");
				return false;
			}
		}
	}
	
	//sending a request
	xmlHttp.open("POST",url,true);	
	//Send the proper header information along with the request
	xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	xmlHttp.send(getFormValues(frm));
	
	//what to do when response is recieved
	xmlHttp.onreadystatechange=function()	{
		//state = 4 means request complete
		if(xmlHttp.readyState==4)	{			
			document.getElementById('comments').innerHTML = xmlHttp.responseText;
		}
	}		
}

function getFormValues(form)
{
    var elements = form.elements;
    var comm = new Array();

    for (var i = 0; i < elements.length; i++) {
        if ((name = elements[i].name) && (value = elements[i].value))
        {
	    	if (elements[i].type == "radio" && !elements[i].checked)
				continue;
            comm.push(name + "=" + encodeURIComponent(value));
		}
    }

    return comm.join("&");
}