window.onload = initAll;
window.onunload = unloadAll;

function initAll() {
	// pull-down jump page
	document.getElementById("newLocation").selectedIndex = 0;

// pull-down menues
	var allLinks = document.getElementsByTagName("a");
	
	for (var i=0; i<allLinks.length; i++) {
		if (allLinks[i].className.indexOf("menuLinkA") > -1) {
			allLinks[i].onmouseover = toggleMenu;
		}else if (allLinks[i].className.indexOf("menuLink") > -1) {
			allLinks[i].onclick = retFalse;
			allLinks[i].onmouseover = toggleMenu;
		}
	}
	
	initStyle();		// Set Font Size
}

function unloadAll() {

	unloadStyle();
}

function MM_openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}

function MM_jumpMenu(targ,selObj,restore) {
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function toggleMenu() {
	var startMenu = this.href.lastIndexOf("/") + 1;
	var stopMenu = this.href.lastIndexOf(".");
	var thisMenuName = this.href.substring(startMenu,stopMenu);

	document.getElementById(thisMenuName).style.display = "block";

	this.parentNode.className = thisMenuName;
	this.parentNode.onmouseout = toggleDivOff;
	this.parentNode.onmouseover = toggleDivOn;	
}

function toggleDivOn() {
	document.getElementById(this.className).style.display = "block";
}

function toggleDivOff() {
	document.getElementById(this.className).style.display = "none";
}

function retFalse() {
	return false;
}

// Set Font Size

function initStyle() {
	var thisCookie = cookieVal("txtsize");
	var title;
	
	if  (thisCookie) {
		title = thisCookie;
	}
	else {
		title = getPreferredStylesheet();
	}
	
	setActiveStylesheet(title);
	
	var allLinks = document.getElementsByTagName("a");
	
	for (var i=0; i<allLinks.length; i++) {
		if (allLinks[i].className.indexOf("txtsize") > -1) {
			allLinks[i].onclick = setActiveStylesheet;
		}
	}
}

function unloadStyle() {
	var expireDate = new Date();
	expireDate.setYear(expireDate.getFullYear()+1);
	document.cookie = "txtsize=" + getActiveStylesheet() + ";path=/;expires=" + expireDate.toGMTString();
}

function getPreferredStylesheet() {
	var thisLink, relAttribute;
	var linksFound = document.getElementsByTagName("link");

	for (var i=0; i<linksFound.length; i++) {
		thisLink = linksFound[i];
		relAttribute = thisLink.getAttribute("rel");
		if (relAttribute.indexOf("style") > -1 && relAttribute.indexOf("alt") == -1 && thisLink.getAttribute("title")) {
		 	return thisLink.getAttribute("title");
		}
	}
	return "";
}

function getActiveStylesheet() {
	var thisLink;
	var linksFound = document.getElementsByTagName("link");
	
	for (var i=0; i<linksFound.length; i++) {
		thisLink = linksFound[i];
    	if (thisLink.getAttribute("rel").indexOf("style") > -1 && thisLink.getAttribute("title") && !thisLink.disabled) {
			return thisLink.getAttribute("title");
		}
	}
	return "";
}

function setActiveStylesheet(inVal) {
	var thisLink, title;
	var linksFound = document.getElementsByTagName("link");

	if (inVal) {
		if (typeof inVal == "string") {
			title = inVal;
		}
		else {
			title = inVal.target.id;
		}
	}
	else {
		title = window.event.srcElement.id;
	}

	for (var i=0; i<linksFound.length; i++) {
		thisLink = linksFound[i];
    	if (thisLink.getAttribute("rel").indexOf("style") > -1 && thisLink.getAttribute("title")) {
			thisLink.disabled = true;
			if (thisLink.getAttribute("title") == title) {
				thisLink.disabled = false;
			}
		}
	}

	return false;
}

function cookieVal(cookieName) {
	var thisCookie = document.cookie.split("; ");
	
	for (var i=0; i<thisCookie.length; i++) {
		if (cookieName == thisCookie[i].split("=")[0]) {
			return thisCookie[i].split("=")[1];
		}
	}
	
	return "";
}