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

function sendAJAX(sessionname,diesessionid)
{
	// Radio-Buttons:
	for (i = 0; i < document.getElementsByName("shipping").length; i++)
	{
		if (document.getElementsByName("shipping")[i].checked)
		{
			shippingwert = document.getElementsByName("shipping")[i].value;
		}
	}
	
	// Radio-Buttons:
	for (i = 0; i < document.getElementsByName("payment").length; i++)
	{	
		if (document.getElementsByName("payment")[i].checked)
		{
			paymentwert = document.getElementsByName("payment")[i].value;
		}
	}

	  // guthaben
	  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');
	  }
}

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;
    }
}