/*
HEDON javascript
*/

function ismaxlength(obj){
//<textarea maxlength="40" onkeyup="return ismaxlength(this)"></textarea>
	var mlength=obj.getAttribute? parseInt(obj.getAttribute("maxlength")) : ""
	if (obj.getAttribute && obj.value.length>mlength)
		obj.value=obj.value.substring(0,mlength)
}

function openpopup(popurl){
    winpops=window.open(popurl,"","width=470,height=480,scrollbars=yes,resizable=yes")
}

/* from wikipedia */
function showTocToggle() {
	if (document.createTextNode) {
		// Uses DOM calls to avoid document.write + XHTML issues

		var linkHolder = document.getElementById('toctitle');
		if (!linkHolder) {
			return;
		}

		var outerSpan = document.createElement('span');
		outerSpan.className = 'toctoggle';

		var toggleLink = document.createElement('a');
		toggleLink.id = 'togglelink';
		toggleLink.className = 'internal';
		toggleLink.href = 'javascript:toggleToc()';
		toggleLink.appendChild(document.createTextNode(tocHideText));

		outerSpan.appendChild(document.createTextNode('['));
		outerSpan.appendChild(toggleLink);
		outerSpan.appendChild(document.createTextNode(']'));

		linkHolder.appendChild(document.createTextNode(' '));
		linkHolder.appendChild(outerSpan);

		var cookiePos = document.cookie.indexOf("hidetoc=");
		if (cookiePos > -1 && document.cookie.charAt(cookiePos + 8) == 1) {
			toggleToc();
		}
	}
}

function changeText(el, newText) {
	// Safari work around
	if (el.innerText) {
		el.innerText = newText;
	} else if (el.firstChild && el.firstChild.nodeValue) {
		el.firstChild.nodeValue = newText;
	}
}

function toggleToc() {
	var toc = document.getElementById('toc').getElementsByTagName('ul')[0];
	var toggleLink = document.getElementById('togglelink');

	if (toc && toggleLink && toc.style.display == 'none') {
		changeText(toggleLink, tocHideText);
		toc.style.display = 'block';
		document.cookie = "hidetoc=0";
	} else {
		changeText(toggleLink, tocShowText);
		toc.style.display = 'none';
		document.cookie = "hidetoc=1";
	}
}


/*
Dynamic Tabs 1.0.3 includes content from Copyright (c) 2005 Rob Allen (rob at akrabat dot com)

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
*/

function getChildElementsByClassName(parentElement, className)
{
	var i, childElements, pattern, result;
	result = new Array();
	pattern = new RegExp("\\b"+className+"\\b");


	childElements = parentElement.getElementsByTagName('*');
	for(i = 0; i < childElements.length; i++)
	{
		if(childElements[i].className.search(pattern) != -1)
		{
			result[result.length] = childElements[i];
		}
	}
	return result;
}


function BuildTabs(containerId)
{
	var i, tabContainer, tabContents, tabHeading, title, tabElement;
	var divElement, ulElement, liElement, tabLink, linkText;


	// assume that if document.getElementById exists, then this will work...
	if(! eval('document.getElementById') ) return;

	tabContainer = document.getElementById(containerId);
	if(tabContainer == null)
		return;

	tabContents = getChildElementsByClassName(tabContainer, 'tab-content');
	if(tabContents.length == 0)
		return;

	divElement = document.createElement("div");
  	divElement.className = 'tab-header'
  	divElement.id = containerId + '-header';
	ulElement = document.createElement("ul");
  	ulElement.className = 'tab-list'

	tabContainer.insertBefore(divElement, tabContents[0]);
	divElement.appendChild(ulElement);

	for(i = 0; i < tabContents.length; i++)
	{
		tabHeading = getChildElementsByClassName(tabContents[i], 'tab');
		title = tabHeading[0].childNodes[0].nodeValue;

		// create the tabs as an unsigned list
		liElement = document.createElement("li");
		liElement.id = containerId + '-tab-' + i;

		tabLink = document.createElement("a");
		linkText = document.createTextNode(title);

		tabLink.className = "tab-item";

		tabLink.setAttribute("href","javascript://");
		tabLink.setAttribute( "title", tabHeading[0].getAttribute("title"));
		tabLink.onclick = new Function ("ActivateTab('" + containerId + "', " + i + ")");

		ulElement.appendChild(liElement);
		liElement.appendChild(tabLink);
		tabLink.appendChild(linkText);

		// remove the H1
		tabContents[i].removeChild
	}
}

function ActivateTab(containerId, activeTabIndex)
{
	var i, tabContainer, tabContents;

	tabContainer = document.getElementById(containerId);
	if(tabContainer == null)
		return;

	tabContents = getChildElementsByClassName(tabContainer, 'tab-content');
	if(tabContents.length > 0)
	{
		for(i = 0; i < tabContents.length; i++)
		{
			//tabContents[i].className = "tab-content";
			tabContents[i].style.display = "none";
		}

		tabContents[activeTabIndex].style.display = "block";


    		tabList = document.getElementById(containerId + '-list');
		tabs = getChildElementsByClassName(tabContainer, 'tab-item');
		if(tabs.length > 0)
		{
			for(i = 0; i < tabs.length; i++)
			{
				tabs[i].className = "tab-item";
			}

			tabs[activeTabIndex].className = "tab-item tab-active";
			tabs[activeTabIndex].blur();
		}
	}
}