// JavaScript Document
var req;
function loadXMLDoc(url,xmlPost) {
	  // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
				
			  req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
        
        req.open("POST", url, true);
        req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; Charset=utf-8");
        req.send(xmlPost);
	  
		// branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = processReqChange;
          req.open("POST", url, true);
          req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; Charset=utf-8");
          req.send(xmlPost);
    		}
    	}
}

function processReqChange() {
    // only if req shows "complete"
    if (req.readyState == 4) {
        // only if "OK"
        if (req.status == 200) {
            //set message and points
						var message;
						
						if (req.responseText){
            		message = req.responseText;
            }
						
						updateText(message);
						
        } else {
            alert("There was a problem retrieving the XML data:\n" + req.statusText);
        }
    }
}


function getObject(elmID) {
    if(document.getElementById) {elmID = document.getElementById(elmID);}
    else if(document.all) {elmID = document.all[elmID];}
    else if(document.layers) {elmID = this._getLayer(elmID);}
    else if(document.forms) {
        if(document.forms[elmID]) {elmID = document.forms[elmID];}
        else {
            for(var i=0; i<document.forms.length; i++) {
                if(document.forms[i][elmID]) {
                    elmID = document.forms[i][elmID];
                    break;
                }
            }
        }
    }
    else {elmID = null;}

    return elmID;
}