var http = createRequestObject();
var objectId = '';
var divID = '';

function sendAJAX(sessionname,diesessionid)
{
	  if(document.getElementsByName("shipping")[0].value!=""){
	  	var shippingwert=document.getElementsByName("shipping")[0].value;
	  } 

	  if(document.getElementsByName("payment")[0].value!="") {
	  	var paymentwert=document.getElementsByName("payment")[0].value;
	  }

	  if (document.getElementsByName("cot_gv")[0])
	  {
	    if(document.getElementsByName("cot_gv")[0].checked==true) {
	  	  var cot_gv_wert=document.getElementsByName("cot_gv")[0].checked;
			
			sendReq('ajax.php','ajaxmethod,ajaxmethod2,cot_gv,diesession,diesessionid',shippingwert+'#'+paymentwert+'#'+cot_gv_wert+'#'+sessionname+'#'+diesessionid,'displayResponse');
	    }
		else
		  sendReq('ajax.php','ajaxmethod,ajaxmethod2,diesession,diesessionid',shippingwert+'#'+paymentwert+'#'+sessionname+'#'+diesessionid,'displayResponse');
	  }
	  else{
		
	  sendReq('ajax.php','ajaxmethod,ajaxmethod2,diesession,diesessionid',shippingwert+'#'+paymentwert+'#'+sessionname+'#'+diesessionid,'displayResponse');
	  }	
}


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

function sendReq(serverFileName, variableNames, variableValues, test) {
	var paramString = '';

	createRequestObject(test);  	
	
	variableNames = variableNames.split(',');
	variableValues = variableValues.split('#');
	
	for(i=0; i<variableNames.length; i++) {
		paramString += variableNames[i]+'='+variableValues[i]+'&';
	}
	paramString = paramString.substring(0, (paramString.length-1));
			
	if (paramString.length == 0) {
	   	http.open('get', serverFileName);
	}
	else {
		http.open('get', serverFileName+'?'+paramString);
	}
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {

	if(http.readyState == 4){
		responseText = http.responseText;
		document.getElementById(objectId).innerHTML = responseText;
    }
}