// JavaScript Document
document.getElementsByClassName = function(cl) 
	{
	var retnode = [];
	var myclass = new RegExp('\\b'+cl+'\\b');
	var elem = this.getElementsByTagName('*');
	for (var i = 0; i < elem.length; i++) 
	{
		var classes = elem[i].className;
		if (myclass.test(classes)) retnode.push(elem[i]);
	}
return retnode;
};

function showLoading()
{
	$('main').innerHTML = $('loading').innerHTML;
	$('backBtn').innerHTML = '';
	new Ajax.Updater('backBtn','/history/backbutton', {asynchronous:true, evalScripts:true, requestHeaders:['X-Update', 'main']});
}
function showSaving()
{
	$('main').innerHTML = $('saving').innerHTML;
}
function showTabLoading(tabid)
{
	var tabs = document.getElementsByClassName('tabon');
	for (var i = 0; i < tabs.length; i++) 
	{
		tabs[i].className = 'tab';
	}
	$(tabid).className = 'tabon';
	$('tabcontent').innerHTML = $('loading').innerHTML;
	//new Ajax.Updater('backBtn','/history/backbutton', {asynchronous:true, evalScripts:true, requestHeaders:['X-Update', 'main']});
}
function showTabSaving()
{
	$('tabcontent').innerHTML = $('saving').innerHTML;
}
function popFlowChart()
{
	var flowchart = window.open('http://www.imageworksstudio.com/uploads/images/JL_Hierarchy_Tree_11.06.png','flowchart','width=522,height=567');
}