var IFrameObj;
var theForm;

function changeItems(thisForm,sourceElement,url) {
	if (!document.createElement) {return true};

	// form global definition
	theForm = thisForm;

	if (!IFrameObj && document.createElement) 
		{
		// create the IFrame and assign a reference to the
		// object to our global variable IFrameObj.
		// this will only happen the first time
		// changeCountry() is called
		try 
			{
			var tempIFrame=document.createElement('iframe');
			tempIFrame.setAttribute('id','ajaxFrame');
			tempIFrame.style.border='0px';
			tempIFrame.style.width='0px';
			tempIFrame.style.height='0px';
			IFrameObj = document.body.appendChild(tempIFrame);

			if (document.frames) 
				{
				// this is for IE5 Mac, because it will only
				// allow access to the document object
				// of the IFrame if we access it through
				// the document.frames array
				IFrameObj = document.frames['ajaxFrame'];
				}
			} 
		catch(exception) 
			{
			// This is for IE5 PC, which does not allow dynamic creation
			// and manipulation of an iframe object. Instead, we'll fake
			// it up by creating our own objects.
			iframeHTML='<iframe id="ajaxFrame" style="';
			iframeHTML+='border:0px;';
			iframeHTML+='width:0px;';
			iframeHTML+='height:0px;';
			iframeHTML+='"><\/iframe>';
			document.body.innerHTML+=iframeHTML;
			IFrameObj = new Object();
			IFrameObj.document = new Object();
			IFrameObj.document.location = new Object();
			IFrameObj.document.location.iframe = document.getElementById('ajaxFrame');
			IFrameObj.document.location.replace = function(location) 
				{
				this.iframe.src = location;
				}
			}
		}


	if (navigator.userAgent.indexOf('Gecko') !=-1 && !IFrameObj.contentDocument) 
		{
		// we have to give NS6 a fraction of a second
		// to recognize the new IFrame
		setTimeout('changeCountry(theForm)',10);
		return false;
		}

	var IFrameDoc;
	if (IFrameObj.contentDocument) 
		{
		// For NS6
		IFrameDoc = IFrameObj.contentDocument;
		} 
	else if (IFrameObj.contentWindow) 
		{
		// For IE5.5 and IE6
		IFrameDoc = IFrameObj.contentWindow.document;
		} 
	else if (IFrameObj.document) 
		{
		// For IE5
		IFrameDoc = IFrameObj.document;
		} 
	else 
		{
		return true;
		}

	// We'll build our URL by checking which state
	// has been selected in the drop down menu
	var value = theForm.elements[sourceElement].options[theForm.elements[sourceElement].selectedIndex].value;
	IFrameDoc.location.replace(url+"?value="+value);

	return false;
}

function handleElement(thisDocument, targetElement) {
    // go trought data DIVs
	var data 	= thisDocument.getElementById("items");
	var dataDivs	= data.childNodes;
	for (var i=0; i<dataDivs.length; i++)
		{
        if (dataDivs[i].nodeType!=1) continue;

        // go trought childs DIVs
        var checked 	= false;
        var childDivs 	= thisDocument.getElementById(dataDivs[i].id).childNodes
        for (var n=0; n<childDivs.length; n++)
			{
			if (childDivs[n].nodeType!=1) continue;
			if (childDivs[n].id == 'true') checked = true;
			}

        // add new OPTION into SELECT element
        newOption = new Option(dataDivs[i].id,dataDivs[i].id,checked,checked);
        theForm.elements[targetElement].options[theForm.elements[targetElement].length] = newOption;
		}
		
}

function clearElement(targetElement,optionText) {
        theForm.elements[targetElement].length      = 0;
		theForm.elements[targetElement].options[0]  = new Option(optionText,'',false,false);
}