var loading = '<div><center><img border=\"0\" src=\"/images/loading.gif\" width=\"66\" height=\"66\"></center></div>';

function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

function subquestionnaire(id,formname) {
	for (i=1; i<=5; i++) {
                var result = getRadioCheckedValue("q"+i);
		if (result) {
                	data+="a"+i+"="+result+"&";
		} else {
                        alert("Please answer all questions");
                        return false;
                }
        }
        var url="/calls/submitquestionnaire.php";
        document.getElementById(id).innerHTML = loading;
	var data="";
	for (i=1; i<=5; i++) {
		var result = getRadioCheckedValue("q"+i);	
        	data+="a"+i+"="+result+"&";
	}
	var purchaseid= document.getElementById("purchaseid").value;
	var name = document.getElementById("name").value;
	data+="name="+name+"&purchaseid="+purchaseid;	
        var http = createRequestObject();
        http.open("POST", url, true);http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
        http.send(data);
        http.onreadystatechange=function() {
                if(http.readyState == 4) {
                        document.getElementById(id).innerHTML =http.responseText;
                }
        }
}

function questionnaireFormCheck() {
	for (i=1; i<=5; i++) {
                var result = getRadioCheckedValue("q"+i);
		if (result) { } else {
			alert("Please answer all questions");
			return false;
		}
        }
	return true;
}

function getRadioCheckedValue(radio_name) {
var oRadio = document.forms[0].elements[radio_name];

for(var i = 0; i < oRadio.length; i++) {

if(oRadio[i].checked) {
return oRadio[i].value;
}

}

return '';
}