var poNewWin = null;
var pbInhibit = false;
var vsFirstPage  = "welcome";
function mPopupVideo() {
	if ((poNewWin == null || poNewWin.closed) && !pbInhibit) {
		pbInhibit = true;
		poNewWin = window.open('/videos/', 'popUp', 'height=610,width=538', false);
		window.setTimeout("pbInhibit = false;",1000);
	}

	poNewWin.focus();
}

function vidFromList(xiId) {
	if (BrowserDetect.browser == "Explorer") var voflash = document.getElementById('');
}

var gsDefaultPage=  'welcome';

window.onload = function(){
	mPlaceLeftNav();
	//AC_FL_RunContent2('divID', 'left_navigation', 'codebase','http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0','width','180','height','500','src','left_nav','quality','high','pluginspage','http://www.macromedia.com/go/getflashplayer','movie','left_nav','name','nav_swf', 'id', 'nav_swf');
	if (window.glGETVars) {
		var vsPage = (glGETVars["page"].substr(0, 7) == "segment") ? "segments" : glGETVars["page"];
	} else {
		var vsPage = gsDefaultPage;
	}
	var vsFirstPage = glGETVars ? vsPage : gsDefaultPage;
	changePage(vsFirstPage);
	
}

function callVideo(xiId) {
	//alert ("callVideo xiID: " + xiId);
	mSetVarInFlash('nav_swf', 'piVideoFromJS', xiId);
	mPopupVideo();
}

function mPlaceLeftNav(){
	var so = new SWFObject("left_nav.swf", "nav_swf", "180", "500", "8", "#000000");
	so.setAttribute('redirectUrl', 'http://www.exploringtime.org/flashFail.html');
	so.write("left_navigation");
	//toWrite = false;
}

function mSetVarInFlash(xsFlashID,xsVarName,xVal){
	var voFlashObj = document.getElementById(xsFlashID);
	voFlashObj.SetVariable(xsVarName,xVal);
}


function clickContrib(xoThis, xsId) {
	xoThis.blur();
	
	var divs = document.getElementsByTagName('div');
	var rollMarkers = new Array();
	for (var i = 0; i < divs.length; i++) {
		if (divs[i].className = "rollMarker") {
			rollMarkers.push(divs[i]);
		}
	}
	
	for (var i = 0; i < rollMarkers.length; i++) {
		
	}
		
}



// turns on and off the angle bracket for rollovers of side nav  
function toggleMarker(objID){
	if (!document.getElementById) return;
		var ob = document.getElementById(objID).style;
		ob.visibility = (ob.visibility == 'visible')?'hidden': 'visible';
	
}


function changeClass(id, newClass){
	identity=document.getElementById(id);
 	identity.className=newClass;
}


var lastClicked = "";


	







// Correctly handle PNG transparency in Win IE 5.5 & 6.


var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])

if ((version >= 5.5) && (version != 7) && (document.body.filters))
{
   for(var i=0; i<document.images.length; i++)
   {
      var img = document.images[i];
      var imgName = img.src.toUpperCase();
      if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
      {
         var imgID = (img.id) ? "id='" + img.id + "' " : "";
         var imgClass = (img.className) ? "class='" + img.className + "' " : "";
         var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' ";
         var imgStyle = "display:inline-block;" + img.style.cssText;
         if (img.align == "left") imgStyle = "float:left;" + imgStyle;
         if (img.align == "right") imgStyle = "float:right;" + imgStyle;
         if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle;
         var strNewHTML = "<span " + imgID + imgClass + imgTitle + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";" + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader" + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>";
         img.outerHTML = strNewHTML;
         i = i-1;
      }
   }
}

// fix ActiveX for ie

objects = document.getElementsByTagName("object");
for (var i = 0; i < objects.length; i++)
{
    objects[i].outerHTML = objects[i].outerHTML;
}