var xml_http;

function showPayPal(testname, coursename)
{
    //alert(testname);
    //alert(coursename);
    xml_http=GetXmlHttpObject();
    if (xml_http==null)
      {
      alert ("Browser does not support HTTP Request");
      return;
      }
    var url_1="getpaypal.php";
    url_1=url_1+"?test="+testname+"&course="+coursename;
    url_1=url_1+"&sid="+Math.random();
    xml_http.onreadystatechange=stateChanged_1;
    xml_http.open("GET",url_1,true);
    xml_http.send(null);
}

function stateChanged_1()
{
    //alert(xmlhttp.responseText);

if (xml_http.readyState==4)
{
    var responseTxt = xml_http.responseText;
    responseTxt = responseTxt.replace(/^\s+|\s+$/g,'');
    var mySplitResult = responseTxt.split(",");

    //responseTxt = responseTxt.replace(/\W*$/, "");
    //alert(xmlhttp.responseText+'saumya');
    //document.register1.saumya.value = xmlhttp.responseText;
	var dummy = mySplitResult[0];
	//alert(dummy);
    document.getElementById("os0").value = dummy;
    document.getElementById("hosted_button_id").value = mySplitResult[1];
	var min_week = mySplitResult[2];
	var max_week = mySplitResult[3];
	setSessions(min_week,max_week);
//document.register1.os0.value=xmlhttp.responseText;
}
}



function GetXmlHttpObject()
{
if (window.XMLHttpRequest)
  {
  // code for IE7+, Firefox, Chrome, Opera, Safari
  return new XMLHttpRequest();
  }
if (window.ActiveXObject)
  {
  // code for IE6, IE5
  return new ActiveXObject("Microsoft.XMLHTTP");
  }
return null;
}


function setSessions(min_week, max_week){
	//alert(min_week);
	//alert(max_week);
	var sessionbox = document.register.sessions;
    //var txtbox = document.register.saumya;
	//document.register.elements['saumya'].value = 'Saumya';
	sessionbox.options.length = 0;
	sessionbox.options[sessionbox.options.length] = new Option("Select","");
	var total = max_week-min_week+1;
	for(var i=0;i<total;i++){
		//min_week = min_week + 1;
		var total_1 =  parseInt(min_week)+parseInt(i);
		sessionbox.options[sessionbox.options.length] = new Option(total_1,total_1);
	}

}