// these items can be redefined in global_vars.js
var menu_pause = 250;
var anim_menus = 0;
var menu_speed = .25;
var use_overview_pages = 0;
var use_select_btn = 0;
var section_subs = 0;
var menu_dir;
var otherBtns = new Array();
var otherImages = new Array();
// Browser & Platform Check
var isIE = (document.all) ? true : false;
var isNS4 = (document.layers) ? true : false;
var isNS6 = (document.getElementById && !isIE) ? true : false;
var isSafari = (navigator.userAgent.indexOf("Safari") >= 0) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
var isMAC = (navigator.appVersion.toLowerCase().indexOf("mac") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
//remove transparency from menus to avoid conflict with flash plugin in FF2/Mac
if(isMAC && (navigator.userAgent.indexOf('Firefox/2') > 0)){ document.write('<style type="text/css">#nav_menus div, #ql_menu{ opacity:1 !important; -moz-opacity:1 !important; }</style>'); }
//remove transparency from menus in FF/Win to avoid issues with ClearType
if(isWin && (navigator.userAgent.indexOf('Firefox') > 0)){ document.write('<style type="text/css">#nav_menus div, #ql_menu{ opacity:1 !important; -moz-opacity:1 !important; }</style>');}
//button variables
var sectionId = "";
var sectionBtn = "";
var thisMenu = "";
var xBtn = "";
var xBtnImg = "";
var wait;
var fsLinks = new Array();
var buttons = new Array();

//onLoad functions
addOnloadEvent(preLoad);

function dotheClose(){
	mnuOut('dhtmlbtn_313');
	mnuOut('dhtmlbtn_4');
	mnuOut('dhtmlbtn_3');
	mnuOut('dhtmlbtn_277');
}
function dotheCloseAbout(){
	mnuOut('dhtmlbtn_4');
	mnuOut('dhtmlbtn_3');
	mnuOut('dhtmlbtn_277');
}
function dotheCloseAca(){
	mnuOut('dhtmlbtn_4');
	mnuOut('dhtmlbtn_313');
	mnuOut('dhtmlbtn_277');
}
function dotheCloseAdm(){
	mnuOut('dhtmlbtn_313');
	mnuOut('dhtmlbtn_3');
	mnuOut('dhtmlbtn_277');
}
// Use this to add a function to the onload event
function addOnloadEvent(fnc){
  if ( typeof window.addEventListener != "undefined" )
    window.addEventListener( "load", fnc, false );
  else if ( typeof window.attachEvent != "undefined" ) {
    window.attachEvent( "onload", fnc );
  }
  else {
    if ( window.onload != null ) {
      var oldOnload = window.onload;
      window.onload = function ( e ) {
        oldOnload( e );
        window[fnc]();
      };
    }
    else
      window.onload = fnc;
  }
}

// Button Object Constructor
function btnObj(btnName,menuName,pageId,offSrc,onSrc,selectSrc) {
	this.btnName = btnName;
	if( menuName.indexOf("|") != -1 ){
		this.menuName = menuName.split("|")[0];
		this.menuDirection = menuName.split("|")[1];
	}else{
		this.menuName = menuName;
	}
	this.pageId = pageId;
	this.offSrc = offSrc;
	this.onSrc = onSrc;
	this.selectSrc = selectSrc;
}
function preLoad(){	
	colorLink();
	setStyle();	
	//------------------------ Create fsLinks buttons -----------------//
	//get all <a> tags
	fsLinks = document.getElementsByTagName('a');
	//test for fsbtn class and add button events
	for(i=0;i<fsLinks.length;i++){
		if( fsLinks[i].className.toLowerCase() == 'fsbtn' ){
			//get page id from href
			var search_str = fsLinks[i].search.split('&');
			for(j=0;j<search_str.length;j++){
				if(search_str[j].split('=')[0] == '?p'){
					fsLinks[i].pid = search_str[j].split('=')[1]; //add a pid attribute to <a> tag and assign id value
				}else{
					//this is for links other than "page.cfm"
					fsLinks[i].pid = "btn"+i; //add a generic id
				}
			}
			//create menu reference
			fsLinks[i].menu = "dhtmlmenu_"+fsLinks[i].pid;
			
			// change style from "visibility:hidden" to "display:none"
			// for use with animated scriptaculous menus
			if( anim_menus && document.getElementById(fsLinks[i].menu)){
				document.getElementById(fsLinks[i].menu).style.display = "none";
				document.getElementById(fsLinks[i].menu).style.visibility = "visible";
			}
			//check if there is anything in the <a> tag besides text
			if(fsLinks[i].childNodes[0].tagName){ 
				fsLinks[i].childNodes[0].id = "dhtmlbtn_"+fsLinks[i].pid; //add ID to the image			
				fsLinks[i].childNodes[0].onSrc = fsLinks[i].childNodes[0].src.replace(/\.(gif|jpg|png)/,"_on.$1"); //create onSrc and add to image
				
				if(use_select_btn){
					fsLinks[i].childNodes[0].selectSrc = fsLinks[i].childNodes[0].src.replace(/\.(gif|jpg|png)/,"_select.$1"); //create selectSrc and add to image
				}else{
					fsLinks[i].childNodes[0].selectSrc = fsLinks[i].childNodes[0].src.replace(/\.(gif|jpg|png)/,"_on.$1"); //create selectSrc and add to image
				}
				buttons[fsLinks[i].childNodes[0].id] = new btnObj(fsLinks[i].childNodes[0].id,fsLinks[i].menu,fsLinks[i].pid,fsLinks[i].childNodes[0].src,fsLinks[i].childNodes[0].onSrc,fsLinks[i].childNodes[0].selectSrc);
				
				fsLinks[i].onmouseover = function (){ fsBtn(this.childNodes[0].id); }
				fsLinks[i].onmouseout = function (){ fsBtn(this.childNodes[0].id,'off');}

			}else{
				fsLinks[i].id = "dhtmlbtn_"+fsLinks[i].pid; //add ID to the a tag
				buttons[fsLinks[i].id] = new btnObj(fsLinks[i].id,fsLinks[i].menu,fsLinks[i].pid,'','');
				fsLinks[i].onmouseover = function (){ showSubs(this.id); this.className = "fsBtn_on"; }
				fsLinks[i].onmouseout = function (){ mnuOut(this.id); }
			}
			if(use_overview_pages && document.getElementById(fsLinks[i].menu)){ fsLinks[i].href = document.getElementById(fsLinks[i].menu).getElementsByTagName('a')[0].href; }
			//turn on section button here
			for(n=0;n<pagearray.length;n++){
				if( fsLinks[i].pid == pagearray[n] ){
					fsLinks[i].className = "fsBtn_on";
					sectionId = fsLinks[i].pid;
					sectionBtn = fsLinks[i].id;
				}
			}
		}//end fsBtn check
		
		//Auto generate ql_btn code
		if( fsLinks[i].className.toLowerCase() == 'qlbtn' ){
			
			// change style from "visibility:hidden" to "display:none"
			// for use with animated scriptaculous menus
			if( anim_menus && document.getElementById('ql_menu')){
				document.getElementById('ql_menu').style.display = "none";
				document.getElementById('ql_menu').style.visibility = "visible";
			}
			if(fsLinks[i].childNodes[0].tagName){ 
				fsLinks[i].childNodes[0].id = "ql_btn"; //add ID to the image			
				fsLinks[i].childNodes[0].onSrc = fsLinks[i].childNodes[0].src.replace(/\.(gif|jpg|png)/,"_on.$1"); //create onSrc and add to image
				buttons['ql_btn'] = new btnObj('ql_btn','ql_menu','0',fsLinks[i].childNodes[0].src,fsLinks[i].childNodes[0].onSrc);			
				fsLinks[i].onmouseover = function (){ fsBtn('ql_btn'); }
				fsLinks[i].onmouseout = function (){ fsBtn('ql_btn','off'); }
			}else{
				fsLinks[i].id = "ql_btn"; //add ID to the a tag
				buttons['ql_btn'] = new btnObj('ql_btn','ql_menu','0','','');
				fsLinks[i].onmouseover = function (){ showSubs('ql_btn'); }
				fsLinks[i].onmouseout = function (){ mnuOut('ql_btn'); }
				document.getElementById('ql_menu').onmouseover = function(){ clearTimeout(wait); }
				document.getElementById('ql_menu').onmouseout = function(){ mnuOut('ql_btn','ql_menu'); }
			}
		}
	}//end loop through fsLinks
	
	//add otherBtns
	if(otherBtns.length>0){
		for(i=0;i<otherBtns.length;i++){
			btnAttrs = otherBtns[i].split(',');
			buttons[btnAttrs[0]] = new btnObj(btnAttrs[0],btnAttrs[1],btnAttrs[2],btnAttrs[3],btnAttrs[4]);
		}
	}
	//preLoad loops through the buttons array and pre-loads all of the onSrc's
	//Also defines sectionID & sectionBtn & turns on section button
	if(document.images){
		var myImages = new Array();
		var i=0;
		for (this.btnName in buttons) {
			if (buttons[this.btnName].onSrc){
				myImages[i] = new Image();
				myImages[i].src = buttons[this.btnName].onSrc;
				i++;
				var n = 0;
				for (n in pagearray) { // loop through pagearray to match pageid
					if (pagearray[n] == buttons[this.btnName].pageId) {
						if(use_select_btn){
							document.images[this.btnName].src = buttons[this.btnName].selectSrc;
						}else{
							document.images[this.btnName].src = buttons[this.btnName].onSrc;
						}
						sectionId = buttons[this.btnName].pageId;
						sectionBtn = buttons[this.btnName].btnName;
					}
					n++;
				}
			}
		}
	if(otherImages){
		var oi = new Array();
		for(i=0; i < otherImages.length; i++){
			oi[i] = new Image(); oi[i].src = otherImages[i];
		}
	}
	
	}
} //end preLoad

function fsBtn(btn,state,alt_onSrc){
	if(alt_onSrc){
		if(alt_onSrc.indexOf(",") != -1){ //check if there is a comma list with btn_name and src
			ob = alt_onSrc.split(",");
			xBtn = ob[0];
			xBtnImg = ob[1];
			swapImage(btn);
		}else{
			// if there is just an alt src then only that button will be changed
				// this function may no longer be needed but is included for backwards compatiblity
			document.images[btn].src = alt_onSrc;
		}
	}else if(state == "off"){
		imgRestore(btn);
	}else{ swapImage(btn); }
}

function swapImage(btn){
	//swapImage creates a roll-over effect from onSrc when passed the name of the button
	//Also shows sub-menus if specified
	if(buttons[btn].pageId != sectionId){ // btn src will not change if it is in the section, this preserves the selectSrc
		document.images[btn].src = buttons[btn].onSrc; //Turn button on
	}
	//check btnID against sectionId and section_menu variable before turning on sub menus
	if( buttons[btn].menuName && document.getElementById(buttons[btn].menuName) ){
	//Turn on menus if section sub option is on or the button pageId does not equal the sectionId
		showSubs(btn);
	}else if( (thisMenu.length>0) && (thisMenu != buttons[btn].btnName) ){
		clearSubs(thisMenu);
	}
	if(xBtn){ document.images[xBtn].src = xBtnImg; }
	
} //end swapImage

function imgRestore(btn){
	// turns button off unless it is the section button or has a menu
	if(buttons[btn].menuName && document.getElementById(buttons[btn].menuName)){
		mnuOut(btn);
	}else if(buttons[btn].pageId != sectionId){
		document.images[btn].src = buttons[btn].offSrc;
		if(xBtn){ document.images[xBtn].src = buttons[xBtn].offSrc; }
	}
}
//Sub Menu Functions
function showSubs(btn){
	if((thisMenu.length>0) && (thisMenu != buttons[btn].btnName)){ //turn off any current menus unless we are still on the same button
		clearSubs(thisMenu);
	}
	// set offsets based on browser			 
	var mDir = (buttons[btn].menuDirection) ? buttons[btn].menuDirection : menu_dir;
	var mName = document.getElementById(buttons[btn].menuName);
	var bName = document.getElementById(buttons[btn].btnName);
	
	if(section_subs == 1 || (buttons[btn].pageId != sectionId)){ //Test for section subs option and section ID
		mName.style.left = findPosX(bName) + "px";
		if( mDir == "up" ){ mName.style.top = (findPosY(bName) - mName.scrollHeight) + "px";
		}else if( mDir == "center" ){ mName.style.top = (findPosY(bName) - (mName.scrollHeight / 2) + (bName.scrollHeight/2)) + "px";
		}else{ mName.style.top = (findPosY(bName) + bName.scrollHeight) + "px"; }
		if(anim_menus){
			if(thisMenu != buttons[btn].btnName){
				 //new Effect.BlindDown(buttons[btn].menuName,{ duration:menu_speed, queue: {position:'end', scope: btn} });
				$j('#'+buttons[btn].menuName).slideDown(menu_speed*1000);
			}
		}else{
			mName.style.visibility = 'visible';
		}	

		thisMenu = buttons[btn].btnName; //add menu to close later
	}
	
	clearTimeout(wait);
} //end showSubs

function mnuOut(btn){
	wait = setTimeout("clearSubs('"+ btn +"')", menu_pause);
}

function clearSubs(btn) { //clears open menu
	if(buttons[btn].menuName){
		if(anim_menus){
			$j('#'+buttons[btn].menuName).slideUp(menu_speed*1000,function(){btnOff(btn)});
		}else{
			document.getElementById(buttons[btn].menuName).style.visibility='hidden';
			btnOff(btn);
		}
		thisMenu="";
	}else{
		btnOff(btn);
	}
	if(document.getElementById(btn).className=="fsBtn_on" && buttons[btn].pageId != sectionId){ document.getElementById(btn).className="fsBtn"; }
}

function btnOff(btn){
	if(buttons[btn].pageId != sectionId && buttons[btn].offSrc){
			document.images[btn].src = buttons[btn].offSrc; //turn button back off
			}else if(buttons[btn].selectSrc){
				document.images[btn].src = buttons[btn].selectSrc;
			}
	if(xBtn){ document.images[xBtn].src = buttons[xBtn].offSrc; }
}
//Automatically find x,y positions of objects
function findPosX(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    return curleft;
  }
function findPosY(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
    return curtop;
  }
//end Sub Menus

function swapStyle(title) {
	document.getElementById('contentdiv').className = title;
	createCookie("cfstyle", title);
}
function setStyle() {
	var style = readCookie("cfstyle");
	if (style != null && document.getElementById('contentdiv')) { swapStyle(style);}
}
// ----------------------------------------------
// Cookie functions
// ----------------------------------------------
function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = ";expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+";path=/;";
}
function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}
//Colorize parent links in banner navigation module
function colorLink(){
	var links = new Array();
	
	if( document.getElementById('leftbanner') ){
		links = document.getElementById('leftbanner').getElementsByTagName('a');	
		for(i=0;i < links.length;i++){
			for(j=2; j<pagearray.length;j++){
				rExp = new RegExp( "p=" + pagearray[j] + "$" , "i" );
				if( links[i].href.search(rExp) > 0 ){ 
					links[i].className = 'nav_history';
				}
			}
		}		
	}
}