// Window Opening / Closing Funcitons 

function goLink(type,url,cat,pagename,overide){
	var concat = (url.indexOf('?') > 0) ? '&' : '?';
	var trackstr = concat + "pcontent=hn_us&cat=" + cat + "&pagename=" + pagename;
	if       (type==1){ // Center Window
		top.frames['main'].location = url + trackstr;
	} else if(type==2){ // Self window
		location.href = url + trackstr;
	} else if(type==3){ // Open blank window
		window.open(url+trackstr);
	} else if(type==4){ // Cisco Large Popup
		var url_to_launch = !overide ? url+trackstr : url;
		var popup = window.open(url_to_launch);
		if (popup) popup.focus();
	} else if(type==5){ // External links with exit page
		exitpage = 'exit.html';
		if(cat == 'work' || cat == 'live' || cat == 'play' || cat == 'learn') exitpage = 'exit_' + cat + '.html';
		var url_to_launch = !overide ? exitpage + '?url=' + escape(url+trackstr) : exitpage + '?url=' + escape(url);
		var popup = window.open(url_to_launch);
		if (popup) popup.focus();
	}
	return;
}

//flash nav
function goCenterLink(url){
//	top.frames['main'].location = url;
	goLink(1,url,'stories');
}

function openChildWindow( appurl, windowname ) {
  var appwindow = window.open( appurl , windowname, "toolbar=yes,status=yes,top=25,left=0,outerWidth=798,outerHeight=547,width=798,height=547,scrollbars=yes,resizable=yes,menubar=yes,locationbar=no,");
  if (appwindow) appwindow.focus();
}

function global_openCdcPopup ( url, width, height ) {
  if ( isNaN(parseInt(width)) ) { width=550; } 
  else { width=parseInt(width); }
  if ( isNaN(parseInt(height)) ) {height=550; }
  else { height=parseInt(height); }

  var windowparms = "status=yes,scrollbars=yes,resizable=yes,width="+width+",height="+height;
  var popup = window.open ( url, "globalCDCpopup", windowparms);
  if (popup) popup.focus();
}

// This function openLargePopup is now deprecated. Please don't use.
function openLargePopup( url, windowname ) {
  var popup = window.open( url , windowname, "toolbar=yes,status=yes,scrollbars=yes,menubar=yes,locationbar=no,top=50,left=70,outerWidth=643,outerHeight=468,width=643,height=468,resizable=yes");
  if (popup) popup.focus();
}

// This function openMediumPopup is now deprecated. Please don't use.
function openMediumPopup( url, windowname ) {
  var popup = window.open( url , windowname, "toolbar=no,status=yes,scrollbars=yes,menubar=no,locationbar=no,top=90,left=170,outerWidth=445,outerHeight=390,width=445,height=390,resizable=yes");
  if (popup) popup.focus();
}

// This function openSmallPopup is now deprecated. Please don't use.
function openSmallPopup( url, windowname ) {
  var popup = window.open( url , windowname, "toolbar=no,status=yes,scrollbars=yes,menubar=no,locationbar=no,top=90,left=290,outerWidth=220,outerHeight=390,width=220,height=390,resizable=yes"); 
  if (popup) popup.focus();
}

function closeWindow() {
  self.close();
}

function QueryString_Object(URL){ // QueryString Object V1.0 developed by Guy Shahar, OgilvyInteractive, New York
	if(!URL){URL = location.href;} // If no argument, use the document URL
	this.raw = URL.substring(URL.indexOf('?')+1,URL.length); // Grab and store QueryString after the "?"
	this.Name = Array();
	this.Value = Array();
	QueryString_Object.prototype.Get = QueryString_Object_Get;
	
	var args = this.raw.split('&'); // Parse out the parameters separated by "&"
	
	for (var i=0;i<args.length;i++){ // Split out and store each name/value pair
		var pair = args[i].split('=');
	
		temp = unescape(pair[0]).split('+'); // Fix broken unescaping
		temp0 = temp.join(' ');
		
		temp = unescape(pair[1]).split('+');
		temp1 = temp.join(' ');
		
		this.Name[i] = temp0;
		this.Value[i] = temp1;
	}
}
function QueryString_Object_Get(what){ // Get the value based on the parameter name
	for (var i=0;i<this.Name.length;i++){
		if(this.Name[i] == what){
			return this.Value[i];
		}
	}
	return false; // return false if parameter doesn't exist
}

// Instantiate Object
var QueryString = new QueryString_Object();

function getObj(obj){
	if(document.layers){
		return document.layers[obj];
	} else if(document.all){
		return document.all[obj].style;
	} else {
		return document.getElementById(obj).style;
	}
}
/*function testObj(obj){
	if(document.layers){
		if(!document.layers[obj]){ return false;}
	} else if(document.all){
		if(!document.all[obj]){ return false;}
	} else {
		if(!document.getElementById(obj)){ return false;}
		return true;
	}
}*/
function show(what){getObj(what).visibility = "visible";}
function hide(what){getObj(what).visibility = "hidden";}
function showblock(what){getObj(what).display = "block";}
function hideblock(what){getObj(what).display = "none";}


// FADING MODULE PODS
function Pod(){
	this.ModuleCount = 1;
	this.ModuleDelay = 5;
	this.FadeSpeed = 50;
	this.FadeStep = 5;
	this.FadePos = 0;
	this.Last = 1;
	this.zCount = 1000;
	this.Name, this.LayerOn, this.LayerOff, this.FADEINT, this.MODINT;

	Pod.prototype.Start = Start;
	Pod.prototype.Controller = Controller;
	Pod.prototype.Fader = Fader;

	this.oid = 'oid_' + Pod.prototype._counter++;
 	eval(this.oid + '=this');
}
Pod.prototype._counter = 0;
function Start(){
	setTimeout(this.oid + '.Controller()', this.ModuleDelay*1000);
}
function Controller(){
	for(i=0;i<100;i++){
		var rnd = Math.floor(Math.random()*this.ModuleCount)+1;
		if(rnd != this.Last && rnd != 0){break;}
	}
	if(this.Last){
		this.LayerOff = 'mod-' + this.Name + '-0' + this.Last;
	}
	this.LayerOn = 'mod-' + this.Name + '-0' + rnd;
	show(this.LayerOn);
	setObjZ(this.LayerOn,1);
	setObjFade(this.LayerOn,100);
	this.FADEINT = setInterval(this.oid + '.Fader()',this.FadeSpeed);
	this.Last = rnd;
}
function Fader(){
	this.FadePos += this.FadeStep;
	if(this.FadePos < 100){
//		setObjFade(this.LayerOn,this.FadePos);
		setObjFade(this.LayerOff,(100-this.FadePos));
	} else {
		this.FadePos = 0;
		setObjFade(this.LayerOn,100);
		setObjZ(this.LayerOn,this.zCount++);
		setObjFade(this.LayerOff,0);
		setObjZ(this.LayerOff,1);
		hide(this.LayerOff);
		clearInterval(this.FADEINT);
		setTimeout(this.oid + '.Controller()',this.ModuleDelay * 1000);
	}
}

function setObjFade(obj,f){
	if(typeof document.getElementById(obj).style.filter != 'undefined'){
		document.all[obj].style.filter = "alpha(opacity="+f+")";;
	} else if(typeof document.getElementById(obj).style.opacity != 'undefined'){
		document.getElementById(obj).style.opacity = f/100;
	}
}
function setObjZ(obj,z){
	if(typeof document.getElementById(obj).style.filter != 'undefined'){
		document.all[obj].style.zIndex = z;
	} else if(typeof document.getElementById(obj).style.opacity != 'undefined'){
		document.getElementById(obj).style.zIndex = z;
	}
}

function endflash(){
	// 
}

function vs_makeurl(vars) {
  var method = "GET";
  var cd = "http://www.cisco.com";
  var cu = "/swa/j/zag2_vs_log1.asc?Log=1";
  var cb = "&cb=" + (new Date()).getTime();
  var url = cd + cu + vars + cb;
  var imObj = new Image();
  imObj.src = url;
  return true;
}

function vs_trackemail(){
	vs_makeurl('&pcontent=hn_us&pagename=human_network&flash_destination=email');
}
function vs_trackflash(cat, pagename){
	vs_makeurl('&cat='+cat+'&pagename='+pagename);
}
function vs_trackflashtest(cat, pagename){
	vs_makeurl('&pcontent=hn_us'+'&cat='+cat+'&pagename='+pagename);
}


// Curent Story Number
var URL = document.URL;
var story_num = URL.substring(URL.indexOf('.html') - 2, URL.indexOf('.html'))

function send_story_2friend(pagename){
//	vs_makeurl('&pcontent=hn_us&pagename=' + escape(pagename) + '&flash_destination=email');
	vs_trackemail();
	snum = story_num;
	if(snum.charAt(0) == '0'){snum = snum.charAt(1);}
	location.href = 'mailto:?subject=You%20should%20read%20this&body=Check%20out%20this%20story%20I%20found%20on%20the%20Cisco%20human%20network%20site.%20It%27s%20a%20really%20great%20example%20of%20how%20the%20network%20can%20help%20regular%20people%20accomplish%20pretty%20much%20anything.%0A%0ARead%20story%20at%3A%0Ahttp%3A//www.cisco.com/go/story' + snum;
	
}

function send_site2friend(){
	var str = "mailto:";
	str += "?subject=" + escape("You should read this");
	str += "&body=" + escape("Check out the Cisco human network site. You won't believe all the ways the network is changing our lives. \n\nYou'll find personal stories submitted by real people who have used the network to achieve some pretty amazing things. And you can submit your own story. You will see new sites that give us all better ways to work, live, play and learn together. There are celebrity features, user-generated videos, podcasts, commercials and more.\n\nCheck it out.\n\nDiscover the human network at http://www.cisco.com/go/humannetwork");
	location.href = str;
	vs_trackemail();
}