function ajaxRequest(url, parameters, showid) {
    http_request = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
       http_request = new XMLHttpRequest();
      } else if (window.ActiveXObject) { // IE
       try {
          http_request = new ActiveXObject("Msxml2.XMLHTTP");
       } catch (e) {
          try {
             http_request = new ActiveXObject("Microsoft.XMLHTTP");
          } catch (e) {}
       }
    }
    if (!http_request) {
       alert('Cannot create XMLHTTP instance');
       return false;
    }
    http_request.onreadystatechange = callback;
    http_request.open('POST', url, true);
    http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    http_request.setRequestHeader("Content-length", parameters.length);
    http_request.setRequestHeader("Connection", "close");
    http_request.send(parameters);
}
function callback(showid){
	if ((http_request.readyState == 4) ) {
		document.getElementById('getdetails').innerHTML=trimSpace(http_request.responseText);	
	}
}
function showcoursedetails(details){
	var id='';
	for (var i=0; i < document.ysmregis.selectcourse.length; i++)
	   {
	   if (document.ysmregis.selectcourse[i].checked)
	      {
	      var id = document.ysmregis.selectcourse[i].value;
	      }
	   }
	document.getElementById(details).style.display='block';
	if(id!=''){ 
		var url="getdetails.php";
	document.getElementById(details).innerHTML='loading program details please wait...';
	ajaxRequest(url, 'details='+id+'', details);
	} else document.getElementById(details).innerHTML='Please select a program';
}