var xmlHttp;
var resultString = '';
var isResultSuccess = false;
var targetContainer = '';

function createXMLHttpRequest()
{
	/*@cc_on @*/
	/*@if (@_jscript_version >= 5)
	// JScript gives us Conditional compilation, we can cope with old IE versions.
	// and security blocked creation of the objects.
	 try {
	  xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
	 } catch (e) {
	  try {
	   xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	  } catch (E) {
	   xmlHttp = false;
	  }
	 }
	@end @*/
	if (!xmlHttp && typeof XMLHttpRequest!='undefined') {
		try {
			xmlHttp = new XMLHttpRequest();
		} catch (e) {
			xmlHttp=false;
		}
	}
	if (!xmlHttp && window.createRequest) {
		try {
			xmlHttp = window.createRequest();
		} catch (e) {
			xmlHttp=false;
		}
	}
}

function makeRequest(url,tc)
{
	clientBeginFunction();
	targetContainer = tc;
	createXMLHttpRequest();
	xmlHttp.onreadystatechange = handleStateChange;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function handleStateChange()
{
	isResultSuccess = false;
	if(xmlHttp.readyState==4)
	{
		if(xmlHttp.status == 200)
		{
			isResultSuccess = true;
			resultString = xmlHttp.responseText;
	
			if(isResultSuccess)
			{

				// create temp span to replace existing
				var childSpan = document.createElement('span');
				childSpan.id = 'temp_'+targetContainer;

				// insert the AJAX response string
				childSpan.innerHTML = resultString;
	
				// remove the old span;
				killKids(targetContainer);
				
				// now append the new span
				findObj(targetContainer).appendChild(childSpan);
				
				//dispense with temp span
				delete childSpan;

			}
			else
			{
				alert('Request result for '+ targetContainer +'produced an error');
			}
			
		}
		else
		{
			alert('Error within the incoming code for '+ targetContainer +': ' + xmlHttp.status);
		}
		
		clientDoneFunction();
	}

	resultString = '';
	isResultSuccess = false;
}

function killKids(nodeName)
{
	var parentSpan = findObj(nodeName);
	if (parentSpan.hasChildNodes())
		{parentSpan.removeChild(parentSpan.lastChild);}
}

function newClass(id,nuClassName)
{
	findObj(id).className=nuClassName;
}
function showDiv(s)
{
	findObj(s).style.display='block';
}
function hideDiv(s)
{
	findObj(s).style.display='none';
}
function shoHideDiv(s)
{
	var obj = findObj(s);
	if(obj.style.display=='none')
	{
		obj.style.display='block';
	}
	else
	{
		obj.style.display='none';
	}
}

function findObj(theObj, theDoc)
{
  var p, i, foundObj;
  
  if(!theDoc) theDoc = document;
  if( (p = theObj.indexOf("?")) > 0 && parent.frames.length)
  {
    theDoc = parent.frames[theObj.substring(p+1)].document;
    theObj = theObj.substring(0,p);
  }
  if(!(foundObj = theDoc[theObj]) && theDoc.all) foundObj = theDoc.all[theObj];
  for (i=0; !foundObj && i < theDoc.forms.length; i++) 
    foundObj = theDoc.forms[i][theObj];
  for(i=0; !foundObj && theDoc.layers && i < theDoc.layers.length; i++) 
    foundObj = findObj(theObj,theDoc.layers[i].document);
  if(!foundObj && document.getElementById) foundObj = document.getElementById(theObj);
  
  return foundObj;
}


function popUp(pPage,w,h) 
 {
 if (w==null) w=400;
 if (h==null) h=275;
 var ms;
 var m;
 var Today = new Date();
 var ms = Today.getMilliseconds();
 var m = Today.getMinutes();
 var winName = 'popWin'+m.toString()+ms.toString();
 var winOpts = 'dependent=yes,toolbar=no,menubar=yes,status=no,location=no,resizable=yes,scrollbars=yes,width='+w+',height='+h;
  popUpWin = window.open(pPage,winName,winOpts);
  popUpWin.focus();
 }

function textCounter(field, countfield, maxlimit) 
 {
 if (field.value.length > maxlimit)
	{
	field.value = field.value.substring(0, maxlimit);
	}
 else
	{
	countfield.value = maxlimit - field.value.length;
	}
 }