function createXMLHTTP() {
    var xmlhttp;
    if (window.XMLHttpRequest)
        xmlhttp = new XMLHttpRequest();
    else if (window.ActiveXObject)
        xmlhttp = new ActiveXObject('Microsoft.XMLHTTP');
    return xmlhttp;
}

function addVideoFav(url) {
    var xmlhttp = createXMLHTTP();
    var result;
    xmlhttp.onreadystatechange = function(){
        if (xmlhttp.readyState == 4){
            if (xmlhttp.responseText.indexOf('success')) 
                alert('This video has been added to your favorites.');//showPopUp('confirm', 'This video has been added to your favorites.');
            else if (xmlhttp.responseText.indexOf('exists')) 
                alert('This video is laready in your favorites.');//showPopUp('confirm', 'This video is already in your favorites.');
            //if (xmlhttp.responseXML.childNodes[0].childNodes[0].nodeValue == 'SUCCESS' || xmlhttp.responseXML.childNodes[0].childNodes[0].nodeValue.substring(0, 1) == 'A')
            //    alert('This video has been added to your favorites.');
        }
    }
    xmlhttp.open('GET', url, true);
    xmlhttp.send(null);	
}

function removeLesson(url) {
    var xmlhttp = createXMLHTTP();
    var result;
    xmlhttp.onreadystatechange = function(){
        if (xmlhttp.readyState == 4){
            if (xmlhttp.responseText.indexOf('success')) 
                alert('This lesson has been removed.');//showPopUp('confirm', 'This video has been removed from lesson.');
        }
    }
    xmlhttp.open('GET', url, true);
    xmlhttp.send(null);	
}

function stopPageRefresh() {
    if(window.tPageRefresh) {
        window.clearTimeout(window.tPageRefresh);
    }
}

function thisMovie(movieName) {
    var isIE = navigator.appName.indexOf("Microsoft") != -1;
    return (isIE) ? window[movieName] : document[movieName];
}

function openVideo(v, s, c, d) {
	if (v != undefined) vk = v; else vk = 0;
	if (s != undefined) sid = s; else sid = 0;
	if (c != undefined) ck = c; else ck = 0;	//category / overridden subsection
	if (d != undefined) dk = d; else dk = 0;	//subsection
	
	if (thisMovie('minidriveplayer') != null)
		thisMovie('minidriveplayer').xstop();
	
	window.open('/video/driveframe.aspx?mdl=' + vk + '&defaultID=' + ck + '&defaultSSection=' + dk + '&sid=' + sid, 'TheDrive', 'toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=995,height=695');	
}

function openVideoInMini(v) {
	thisMovie('minidriveplayer').playAVideo(v);
}

function changeMiniDCategory(ssection) {
	thisMovie('minidriveplayer').changeList(ssection);
}


var start;
var pk;
var loadTimer;
var gk;
var ck;

function openPhoto(p, g, c) {
    
    if(window.tPageRefresh) {
        window.clearTimeout(window.tPageRefresh);
    }
	var objPhoto = document.getElementById('divPhoto');
	
	if (p != undefined) pk = p; else pk = 0;
	if (c != undefined) ck = c; else ck = 0;
	if (g != undefined) gk = g; else gk = 0;

	if (objPhoto == null) objPhoto = top.document.getElementById('divPhoto');	
	if (objPhoto == null) {
	    var posx = 0;
	    var posy = 0;

	    var scrolly = (document.documentElement) ? document.documentElement.scrollTop : window.pageYOffset
	    var scrollx = (document.documentElement) ? document.documentElement.scrollLeft : window.pageXOffset
    	
	    var myWidth = 0, myHeight = 0;
    	
	    if( typeof( window.innerWidth ) == 'number' ) {
    	    //Non-IE
  	        myWidth = window.innerWidth;
  	        myHeight = window.innerHeight;
	    } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    	    //IE 6+ in 'standards compliant mode'
    	    myWidth = document.documentElement.clientWidth;
	  	    myHeight = document.documentElement.clientHeight;
	    } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
	   	    //IE 4 compatible
    	    myWidth = document.body.clientWidth;
		    myHeight = document.body.clientHeight;
  	    }
    	
	    posy = scrolly+((myHeight-608)/2);
	    posx = scrollx+((myWidth-830)/2);
    	
	    //var popUpLayer = document.getElementById('photosHover');
	    objPhoto = document.createElement('div');
	    objPhoto.id = "photosHoverContainer";
	    objPhoto.style.top = (posy == 0) ? posy + 80 + 'px' : posy + 0 + 'px';
	    //objPhoto.style.top = '80px';	    
	    objPhoto.style.left = posx + 'px';
	    objPhoto.style.display = 'block';
	    objPhoto.style.position = 'absolute';
	    
	    objPhoto.style.zIndex = 200000;
	    grayOut(true);	

		document.getElementsByTagName("body")[0].appendChild(objPhoto);	

		objPhoto.innerHTML = '<iframe  allowtransparency="true" background-color="transparent" id="frmPhoto" name="frmPhoto" src="/photogallery/frame.aspx?pk=' + pk + '&gk=' + gk + '&ck=' + ck+ '" width=830 height=620 scrolling=no frameborder=0 marginheight="0" marginwidth="0" hspace="0" vspace="0"></iframe>';
	} else {
		objPhoto.innerHTML = '<iframe  allowtransparency="true" background-color="transparent" id="frmPhoto" name="frmPhoto" src="/photogallery/frame.aspx?pk=' + pk + '&gk=' + gk + '&ck=' + ck +'" width=830 height=620 scrolling=no frameborder=0 marginheight="0" marginwidth="0" hspace="0" vspace="0"></iframe>';
	}
}

function closeLoader() {

	var objPhoto = document.getElementById('divPhoto');
	objPhoto.childNodes[0].style.display='none';
	clearInterval(loadTimer);
}

function closePhoto() {
    if (window.tPageRefreshTime) {
        tPageRefresh = setTimeout('refresh()', window.tPageRefreshTime);
    }
	var objPhoto = document.getElementById('photosHoverContainer');
	if (objPhoto.childNodes[0].contentDocument)
		objPhoto.childNodes[0].contentDocument.clear();
	else
		window.top.frmPhoto.document.clear();
	//start = setInterval('doSlide(false, -600)', 40);	
	objPhoto.style.display = 'none'; objPhoto.parentNode.removeChild(objPhoto);
	grayOut(false);
}

function doSlide(blnShow, intStop) {
	var objPhoto = document.getElementById('divPhoto');
	
	if ((blnShow & parseInt(objPhoto.style.left) < intStop) || (!blnShow & parseInt(objPhoto.style.left) > intStop))
		objPhoto.style.left = (blnShow) ? (parseInt(objPhoto.style.left) + 150).toString() + 'px' : parseInt(objPhoto.style.left) - 150 + 'px'; 
	else {
		if (blnShow) {
			objPhoto.innerHTML += '<iframe allowtransparency="true" background-color="transparent" id="frmPhoto" name="frmPhoto" src="/photogallery/frame.aspx?pk=' + pk + '&gk=' + gk + '&ck=' + ck+ '" width=748 height=449 scrolling=no frameborder=0 marginheight="0" marginwidth="0" hspace="0" vspace="0"></iframe>';
	    }
		clearInterval(start);
		if (!blnShow) { objPhoto.style.display = 'none'; objPhoto.parentNode.removeChild(objPhoto); }
	}   
}


// IMAGE ROLLOVER FUNCTION
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/* 
  ------------------------------------
Sets Date on Home Page
  ------------------------------------
*/
function get_date(){
var monthNames = new Array("January","February","March","April","May","June","July",
                           "August","September","October","November","December");
var dt = new Date();
var y  = dt.getYear();
if (y < 1000) y +=1900;

document.write(monthNames[dt.getMonth()] + " " + dt.getDate() + ", " + y);
}

/* 
  ------------------------------------
  PVII Menu CSS Express Drop-Down Menu
  by Project Seven Development
  www.projectseven.com
  ------------------------------------
*/
function P7_ExpMenu(){ //v1.1.0.2 by PVII-www.projectseven.com
 if(navigator.appVersion.indexOf("MSIE")==-1){return;}
 var i,k,g,lg,r=/\s*p7hvr/,nn='',c,cs='p7hvr',bv='p7menubar';
 for(i=0;i<10;i++){g=document.getElementById(bv+nn);if(g){
 lg=g.getElementsByTagName("LI");if(lg){for(k=0;k<lg.length;k++){
 lg[k].onmouseover=function(){c=this.className;cl=(c)?c+' '+cs:cs;
 this.className=cl;};lg[k].onmouseout=function(){c=this.className;
 this.className=(c)?c.replace(r,''):'';};}}}nn=i+1;}
}


/* 
  ------------------------------------
 Sets Active Style on Home Page
  ------------------------------------
*/

function getElementsByClassName(oElm, strTagName, strClassName){
			var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
			var arrReturnElements = new Array();
			strClassName = strClassName.replace(/\-/g, "\\-");
			var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
			var oElement;
			for(var i=0; i<arrElements.length; i++){
				oElement = arrElements[i];		
				if(oRegExp.test(oElement.className)){
					arrReturnElements.push(oElement);
				}	
			}
			return (arrReturnElements)
		}

function settab(atab) { var myArray = getElementsByClassName(document, "li", "current_tip"); for ( var i=0, len=myArray.length; i<len; ++i ){ myArray[i].className = 'inactive_tip'; } atab.className = 'current_tip';}

function hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function showdiv(id) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}

//instruction block
//Show hide divs for instruction - here you place the ids of every element you want.
var instrucids=new Array('pane1','pane2','pane3','pane4','pane5');

function switchidInstruc(id){	
	hideallidsInstruc();
	showdiv(id);
}

function hideallidsInstruc(){
	//loop through the array and hide each element by id
	for (var i=0;i<instrucids.length;i++){
		hidediv(instrucids[i]);
	}		  
}

//features and commentary
//Show hide divs - here you place the ids of every element you want.
//var tuneinids= --written dynamically
var fcids;

function switchidFC(id){	
	hideallidsFC();
	showdiv(id);
}

function hideallidsFC(){
	//loop through the array and hide each element by id
	for (var i2=0;i2<fcids.length;i2++){
		hidediv(fcids[i2]);
	}		  
}

//tune in tonight
//Show hide divs - here you place the ids of every element you want.
//var tuneinids= --written dynamically
var tuneinids;
var tuneinactivepane = 1;
function switchidTunein(id){	
	hideallidsTunein();
	tuneinactivepane++;
	if (tuneinactivepane > tuneinids.length) tuneinactivepane = 1;
	showdiv('tuneinpane' + tuneinactivepane);
}

function hideallidsTunein(){
	//loop through the array and hide each element by id
	for (var i2=0;i2<tuneinids.length;i2++){
		hidediv(tuneinids[i2]);
	}		  
}

var btnActive ='fcbtn1';
//feat & commentary images are written dynamically
//var fcimgids=new Array('btnNews','btnInstruction','btnEquipment','btnFitness');

function restoreImages(strId) {
	if (strId != btnActive) {
		document.getElementById(btnActive).src = eval(btnActive + 'imgs')[0];		
		btnActive = strId;
		document.getElementById(strId).src = eval(strId + 'imgs')[1];
	}
}

/* BEGIN: IMPROVED window.onload
 * 
 * This hijacks the onload event so that we can use it for our ads.
 * Other functions that need to be run at onLoad should be added here.
 */
function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}
/* END: IMPROVED window.onload */

/* BEGIN: AD FUNCTIONS
 * 
 * These functions are used for iframe ads.
 */
    var ary = new Array();
	globalTileIndex=1;
        
    /* Function that defines our ad object.  This is what is stored in the array and passed for injection. */
    function clsAd(strDivName, strAdURL, intAdWidth, intAdHeight) {
        this.DivName = strDivName;
        this.Url = strAdURL;
        this.Width = intAdWidth;
        this.Height = intAdHeight;
    }

    var ord = Math.floor(Math.random()*(10000000000000000000));
	
	function InjectAd(objAd) {
	 	var adsURL = objAd.Url.replace("[ORD]",ord);
	 	if ($(objAd.DivName) != null) {
		    $(objAd.DivName).innerHTML =
                    '<IFRAME WIDTH='+ objAd.Width +' onLoad="LoadNextAd();" HEIGHT='+ objAd.Height +
                    ' id="iad_' + objAd.DivName + '" MARGINWIDTH=0 MARGINHEIGHT=0 HSPACE=0 VSPACE=0 FRAMEBORDER=0 SCROLLING=NO BORDERCOLOR=#FFFFFF ALLOWTRANSPARENCY=TRUE ' +
                    ' src="' + adsURL + '">' +
                    '</IFRAME>'; 
        } else {
            alert('skipped ' + globalTileIndex);
            LoadNextAd();
        }
	}
		
    function LoadNextAd() {
        if (globalTileIndex <= ary.length) {
            if (ary[globalTileIndex-1] != undefined) { InjectAd(ary[globalTileIndex-1]); globalTileIndex++; } else { globalTileIndex++; LoadNextAd(); }
        }
    }
    /* Calls the function that injects the ad into the div.  Note that Array.each() function
    requires the prototype.js library.*/
    function LoadAds() {
	    var ord = Math.floor(Math.random()*(10000000000000000000));
        ary.each(
			function(objAd){
				InjectAdinGallery(objAd, ord);
			}
			
		); 
    }
    
    function WaitForAds() {
        setTimeout(LoadNextAd, 250);
    }
	
	document.observe('dom:loaded', WaitForAds);
    //addLoadEvent(LoadNextAd);
   
/* END: AD FUNCTIONS */