// JavaScript Document
var min=8;
var max=18;
function increaseFontSize() {
   var p = document.getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 11;
      }
      if(s!=max) {
         s += 1;
      }
      p[i].style.fontSize = s+"px"
   }
}
function decreaseFontSize() {
   var p = document.getElementsByTagName('p');
   for(i=0;i<p.length;i++) {
      if(p[i].style.fontSize) {
         var s = parseInt(p[i].style.fontSize.replace("px",""));
      } else {
         var s = 11;
      }
      if(s!=min) {
         s -= 1;
      }
      p[i].style.fontSize = s+"px"
   }   
}

var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

function initRollovers() {
	var images = document.getElementsByTagName("img");
	for(var i = 0; i < images.length; i++) {
		var image = images[i];
		var rolloverURL = image.getAttribute("rollover");
		if(rolloverURL) addRollover(image, rolloverURL);
	}
}


function addRollover(img, rolloverURL) {
	if (typeof img == "string") {
		var id = img;
		img = null;
		if (document.getElementById) img = document.getElementById(id);
		else if (document.all) img = document.all[id];
		if (!img) img = document.images[id];
		if (!img) return;
	}
	if (img.tagName.toLowerCase() != "img") return;
	var baseURL = img.src;
	(new Image()).src = rolloverURL;
	img.onmouseover = function() { img.src = rolloverURL; }
	img.onmouseout = function() { img.src = baseURL; }
}

function initNav() {
	var divItems = document.getElementsByTagName("div");
	for(var i = 0; i < divItems.length; i++) {
		var divItem = divItems[i];
		if (divItem.className=="link"){
		navRollover(divItem);
		jumpMenu(divItem);
		}
		if (divItem.className=="link-selected"){
		jumpMenu(divItem);
		}
		var hasRel = divItem.getAttribute("rel");
		bgImg = "url(/" +hasRel+")"
		if (hasRel) { divItem.style.background = bgImg; }
	}
}

function navRollover(navitem) {
	thisLink = navitem.parentNode;
	thisLink.onmouseover = function() { navitem.className = "link-selected";}
	thisLink.onmouseout = function() { navitem.className = "link"}
}

function jumpMenu(divLink){
	var aTag = divLink.childNodes[0];
	while (aTag.nodeType != 1) {
	var aTag = divLink.childNodes[1];
	}
	var aLink = aTag.getAttribute('href');
	var aText = aTag.innerHTML;
	
	var jumpMenu = document.getElementById("jumpMenu");
	var optionChunk = document.createElement("option");
	optionChunk.setAttribute("value",aLink);
	optionChunk.innerHTML = aText;
	
	jumpMenu.appendChild(optionChunk);
}

function initFAQ() {
	var h2Items = document.getElementsByTagName("h2");
	var l = 1;
	for(var i = 0; i < h2Items.length; i++) {
		var h2Item = h2Items[i];
		if (h2Item.className=="question"){
		h2Item.id = 'Q-' + l;
		h2Item.innerHTML = '<a onclick="javascript:FAQgo('+l+');">' + h2Item.innerHTML + '</a>';
		var answer = h2Item.nextSibling;
		while (answer.nodeType !=1)
		{
          answer = answer.nextSibling;
		} 
		answer.id = 'A-' + l;
		answer.className = "answer";
		l++;
		}
	}
}

function FAQgo(target){
	var j = target;
	var openAnswers = getElementsByClassName("answer-show");
	var openQuestions = getElementsByClassName("question-show");
	var thisAnswer = document.getElementById("A-" + j);
	var thisQuestion = document.getElementById("Q-" + j);
	if (thisQuestion.className == "question"){
		if (openAnswers.length != 0){
			for (k=0; k<openAnswers.length; k++){
			openAnswers[k].className = "answer";
			openQuestions[k].className = "question";}
			}
		thisQuestion.className = "question-show";
		thisAnswer.className = "answer-show";
		}
	else{
		thisQuestion.className = "question";
		thisAnswer.className = "answer";
	}
}

function jump(){ //v3.0
  eval("parent.location='"+document.getElementById("jumpMenu").options[document.getElementById("jumpMenu").selectedIndex].value+"'");
}

if(window.addEventListener)
	window.addEventListener("load", initRollovers, false);
else if (window.attachEvent)
	window.attachEvent("onload", initRollovers);
	
if(window.addEventListener)
	window.addEventListener("load", initNav, false);
else if (window.attachEvent)
	window.attachEvent("onload", initNav);

if(window.addEventListener)
	window.addEventListener("load", initFAQ, false);
else if (window.attachEvent)
	window.attachEvent("onload", initFAQ);