var httpObj = false;

function setup() {
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		httpObj = new XMLHttpRequest();
		if (httpObj.overrideMimeType) {
	       	httpObj.overrideMimeType('text/xml');
	    }
	} else if (window.ActiveXObject) { // IE
		try {
	       	httpObj = new ActiveXObject("Msxml2.XMLHTTP");
	    } catch (e) {
	     	try {
        	       http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {
            alert("Unable to process your request. Please make sure you have Javascript & ActiveX enabled");
            }   
	       	
	    }
	}
	if (!httpObj) {
		alert("Unable to process your request. Please make sure you have Javascript & ActiveX enabled");
	}
}


function callAJAXUrl( additionalParams) {
	if(!httpObj)
		setup();
		
	var url ="/formmail/submitFormMail.do";
	var newUrl = uncache(url);
	httpObj.open('POST', url, true);
	httpObj.onreadystatechange = processResponse;
	httpObj.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    httpObj.setRequestHeader("Content-length", additionalParams.length);
    httpObj.setRequestHeader("Connection", "close");	
	httpObj.send(additionalParams);  	
}


function uncache(url){
	var d = new Date();
	var time = d.getTime();

	return url + '&time='+time;
} 


function processResponse() {
	//wait for response to come back
	if (httpObj.readyState == 4) {
		if (httpObj.status == 200) {			
			var ajaxReturn = httpObj.responseXML;
			parseMessage(ajaxReturn);
		}
	}
}