function getPlatform()
{
	var myUserAgent;
	myUserAgent = navigator.userAgent.toLowerCase();

	if ((myUserAgent.indexOf("win") != -1) ||  (myUserAgent.indexOf("16bit") != -1))
	{
		return "win";
	}
	
	if (myUserAgent.indexOf("mac") != -1)
	{
		return "mac";
	}  
	
	if (myUserAgent.indexOf("x11") != -1)
	{
		return "unx";
	}  
	
	return "other";
}

function getBrowserType()
{
	var myUserAgent;

	var myMajor;
	myUserAgent= navigator.userAgent.toLowerCase();
	myMajor= parseInt(navigator.appVersion);
	if( (myUserAgent.indexOf('mozilla')!= -1) &&(myUserAgent.indexOf('spoofer')== -1) &&(myUserAgent.indexOf('compatible') == -1) &&(myUserAgent.indexOf('opera') == -1) &&(myUserAgent.indexOf('webtv')  == -1) )
	{  
		if (myMajor > 4 )
			{
				return "nav6";
			} 
			else if ((myMajor == 4 ) || (myMajor == 5 ))
			{
				return "nav4";
			}
	}
	
	if (myUserAgent.indexOf("msie") == 4)
		{
			return "ie4";
			
	}
	else if (myUserAgent.indexOf("msie") == 5)
		{
			return "ie5";
		}	
// dom compliant browsers are allowed
	if(document.body.firstChild) 
	return "domCompliant";
	return "other";
}

function request_launch(site)
{
	if (getPlatform() != "other" &&(getBrowserType() == "ie4" || getBrowserType() == "nav4" || getBrowserType() == "domCompliant"))
	{
		launch_main_player(site);
	} 
	else 
	{
		self.location.href="/hi/english/static/audio_video/avconsole/old_browser.stm";
	}
	
	return;
}

function popUp(pageurl,width,height,scroll)
{
	day = new Date();
	id = day.getTime();
  	
	if (window.screen)
	{
		lpos = (screen.width/2)-(width/2);
  		hpos = (screen.height/2)-(height/2);
	}
	else
	{
		lpos = 1;
	hpos = 1;
	} 
	
	eval("bbcnews"+id+" = 	window.open('"+pageurl+"','"+id+"','toolbar=0,scrollbars="+scroll+",location=0,status=0,menubar=0,resizable=0,width="+width+",height="+height+",left="+lpos+",top="+hpos+"')");
}

/* temporary js for on-demand radio player - remove after Wimbledon */
function aodpopup(URL){
//add 70px to height if mac
var high=355;
ismac=false;
if(navigator.userAgent.indexOf("Mac")!=-1){
	high=435;
}

window.open(URL,'aod','width=662,height='+high+',top=0,toolbar=no,personalbar=no,location=no,directories=no,statusbar=no,menubar=no,status=no,resizable=no,left=60,screenX=60,top=100,screenY=100');

window.name="main";

if(location.search.substring(1)=="focuswin"){
	window.focus();

}
}

// pic Gallery colours
var currentPicColor = '#900';
var unselectedColor = '#039';
var deadLinkColor = '#ccc';

//   ---------------------------------
function Navselect(navtype){/* navtype defines which nav this refers to */

	this.navtype=navtype;

	this.highlightCurrentTab();	

	this.findTabOnPage();

	this.makeChangesToTab();

}

Navselect.prototype.highlightCurrentTab = function() {

	this.ULs=document.getElementsByTagName("ul");

	this.pageurl = document.location.href.split("?")[0]; /* remove any query string or # on url */

	if(this.pageurl.charAt(this.pageurl.length-1)=="#")this.pageurl = document.location.href.split("#")[0];

}

Navselect.prototype.findTabOnPage = function() {

	var UL, LIs, LI, i=j= -1;

	this.linksInList=[];

	while( UL=this.ULs[++i] ){/* Loop stops when ULs[n]--> null */

		if(UL.id==this.navtype){

			this.navUL=UL;

			j = -1;

			LIs=UL.getElementsByTagName("li");

			while( LI=LIs[++j] ){/* loop through hrefs in li to see which tab matches this url */

				this.linksInList[j]=LI.childNodes.item(0);/* make array of all the links on the list */

				if(LI.childNodes.item(0)==this.pageurl){

					this.tabToHighlight=LI;/* selected LI that matches page location */

					this.onThisPage=j;/* numerical value for this list item */

				}

			}

			this.totalNumberOfLinks=j;

		}

	} 

}

Navselect.prototype.makeChangesToTab=function(){/*  Defferent changes to LI depending on navtype */ 

	if(this.navtype=="tabnav"){// TABNAV

		this.tabToHighlight.style.background="url(/sol/shared/img/v3/tabs/tab_bg104o.gif) #eee";

		var thisTagTxt=this.tabToHighlight.firstChild.firstChild.data;/* Remove Link and replace with text */

		var myTextNode=document.createTextNode(thisTagTxt);

		this.tabToHighlight.removeChild(this.tabToHighlight.firstChild);

		this.tabToHighlight.appendChild(myTextNode);

	}else if(this.navtype=="galnav"){// GALNAV

		this.tabToHighlight.style.background="#990000";

		var thisTagTxt=this.tabToHighlight.firstChild.firstChild.data;/* Remove Link and replace with text */

		var myTextNode=document.createTextNode(thisTagTxt);

		this.tabToHighlight.removeChild(this.tabToHighlight.firstChild);

		this.tabToHighlight.appendChild(myTextNode);

		this.reSizeGalNav();

		this.backNext();

	}

}

Navselect.prototype.reSizeGalNav = function(){

	if(this.totalNumberOfLinks<18) {

		var numsWidth=(this.totalNumberOfLinks*24);

		this.navUL.style.width=numsWidth;

	}

}

Navselect.prototype.backNext = function(){

	//alert(this.onThisPage+" :::::::::::: "+this.totalNumberOfLinks);//

	if(this.onThisPage==0){

		var bakString="<b>Back</b>";

	}else{

		var bakString='<a href="'+this.linksInList[(this.onThisPage-1)]+'">Back</a>';

	}

	if(this.onThisPage==(this.totalNumberOfLinks-1)){

		var nxtString="<b>Next</b>";

	}else{

		var nxtString='<a href="'+this.linksInList[(this.onThisPage+1)]+'">Next</a>';

	}

	var bakTD=document.getElementById("bak");

	var nxtTD=document.getElementById("nxt");	

	

	bakTD.innerHTML=bakString;

	nxtTD.innerHTML=nxtString;

}



Navselect.prototype.ColorOver=function(o) {

    o.parentNode.style.backgroundColor="#cc0000";

}



Navselect.prototype.ColorOut=function(o) {

    o.parentNode.style.backgroundColor="#0000cc";

}

