/* The following function creates an XMLHttpRequest object... */

var req;

function getCourses(){
	org = document.form2.organizationID.options[document.form2.organizationID.selectedIndex].value;
	var url = './get_courses_by_org.php?org=' + org;
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
    }
    req.onreadystatechange = updateList;
    req.open("GET", url, true);
    req.send(null);

 	if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
    }
	
	req.onreadystatechange = updateList;
    req.open("GET", url, true);
    req.send(null);


}

function updateList(){
	
	if(req.readyState == 4){
		if(req.status == 200){
			var s = document.form2.elements['course'];
			s.options.length = 0;
			
			var response = req.responseText;
			
			if(response.indexOf("||") == -1){
				s.options[0] = new Option(response, response);
			}else{
				var list = response.split("||");
				for(x=0;x<list.length;x++){
					s.options[x] = new Option(list[x], list[x]);
				}
			}
		}else{
			alert("Unable to Process Request");
		}
	}
}