function jumpAZ(azletter)
{
	if (azletter == "") return alert("No letter specified to jump to.");
	
	var imgcontainer = document.getElementById('refreshingContainer');
	imgcontainer.style.visibility = 'visible';
	
	//Set the list to the new letter
	var theframe=document.getElementById('azframe');
	theframe.src='directoryAZ?openForm&section=' + azletter;
	
	imgcontainer.style.visibility = 'hidden';
}


function openDirectoryRegion(regionDocUNID, regionName)
{
	var basehrefobj = document.getElementById('baseref');
	var basehreftext = basehrefobj.innerHTML;
	var breadcrumbs = document.getElementsByName('breadcrumb');
	var unidstring = '';
	var newURL = '';
	var thisunid = '';


	//Emergency assign if empty
	if (regionName == '') regionName = "Auckland";
	
	unidstring = buildIDString(breadcrumbs)
	
	thisunid = getThisUNID();
		
	//Add the current document unid as the last element
	unidstring += ',' + thisunid;
		
	newURL = basehreftext + 'unid/' + regionDocUNID + '?openDocument&method=specifiedregion&region=' + regionName +'&bc=' + unidstring;
	window.location.href = newURL;
}


function getThisUNID()
{
	var currentURL = window.location.pathname;
	var lastpos = currentURL.lastIndexOf('/');
	
	return currentURL.substr(lastpos + 1);
}


function openDirectoryEntry(documentUNID, openMethod, lastparam)
{
	var basehrefobj = document.getElementById('baseref');
	var basehreftext = basehrefobj.innerHTML;
	var breadcrumbs = getElementsByClass('breadCrumbLink', null, null);		//Custom function - see below.
	var unidstring = '';
	var newURL = '';
	var thisunid = '';
	
	
	unidstring = buildIDString(breadcrumbs)
	if (openMethod == 'search')
	{
		thisunid = getThisUNID();
	}
	else
	{
		thisunid = documentUNID;
	}


	//Add the current document unid as the last element
	unidstring += ',' + thisunid;
	
	if (documentUNID == "") return alert("Invalid or unknown document id.");

	if (openMethod == '') {method = 'AtoZ'} else {method = openMethod}

	newURL = basehreftext + 'directoryEntry?openForm&unid=' + documentUNID + '&method=' + openMethod + '&bc=' + unidstring + '&lastparam=' + lastparam;
		
	window.location.href = newURL;
}


function getElementsByClass(searchClass,node,tag)
{
	var classElements = new Array();
	
	if ( node == null) node = document;
	if ( tag == null)	tag = '*';

	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\\\s)"+searchClass+"(\\\\s|$)");

	for (i = 0, j = 0; i < elsLen; i++)
	{
		if ( pattern.test(els[i].className))
		{
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}


function buildIDString(breadcrumbs)
{
	var temp = '';
	var count = -1;
	

	for (i = 0;i < breadcrumbs.length; i++)
	{
		if (breadcrumbs[i].id != 'Home')
		{
			count += 1;
		
			if (count == 0)
			{
				temp += breadcrumbs[i].id;
			}
			else
			{
				temp += ',' + breadcrumbs[i].id;
			}
		}
	}
	
	return temp;
}


function serviceGoTo(objectID)
{
	var newURL = '';	
	var currentURL = window.location.href;
	var combobox = document.getElementById(objectID);
	var seletedString = combobox.value;
	var foundat = currentURL.indexOf('&');
	var nonselect = 'select a service';
	
	
	if (seletedString.toLowerCase() == nonselect) return;
	
	if (foundat == 0)
	{
		newURL = currentURL + '&method=Service&start=' + seletedString;
	}
	else
	{
		newURL = currentURL.substr(0, foundat) + '&method=Service&start=' + seletedString;
	}
	
	//Set the new URL;
	window.location.href = newURL;
}