// trainer

function load(source,id)
{
	var path = document.getElementById(id).src;
	var ind = path.indexOf("_")+1;
	var chkpath = path.substr(ind,path.length);
	var startstr = path.substr(0,ind);
	for(i=1;i<=12;i++)
		{
			if(i==id)
			{
				newpath = startstr+"on.gif";
			}
			document.getElementById(i).src="images/video"+i+"_off.gif";
			
		}
		document.getElementById(id).src=newpath;
	
	if(chkpath == "off.gif")
	{
		
		document.getElementById("playvideo").innerHTML = '<object type="application/x-shockwave-flash" data="videos/'+source+'" width="435" height="312"><param name="movie" value="videos/'+source+'" /><param name="wmode" value="transparent" /></object>';
	}
		document.getElementById(id).onClick = "load('ankle_intro.swf',this);";
}


//trainer - move videos to right and left
var x=0;
function moveRight()
{
        document.getElementById("back").style.display="none";
		document.getElementById("more").style.display="block";
		document.getElementById("subtrainer2").style.display="none";
		document.getElementById("subtrainer1").style.display="block";
}


function moveLeft()
{
        document.getElementById("more").style.display="none";
		document.getElementById("back").style.display="block";
		document.getElementById("subtrainer1").style.display="none";
		document.getElementById("subtrainer2").style.display="block";
}


//keepmoving
function pop1()
{
	document.getElementById("popup1").style.display="block";
	document.getElementById("popup2").style.display="none";
}
function pop2()
{
	document.getElementById("popup1").style.display="none";
	document.getElementById("popup2").style.display="block";
}

//keepmoving

function pop3()
{
	document.getElementById("popup01").style.display="block";
	document.getElementById("popup02").style.display="none";
	document.getElementById("popup03").style.display="none";
	document.getElementById("popup04").style.display="none";
}
function pop4()
{
	document.getElementById("popup01").style.display="none";
	document.getElementById("popup02").style.display="block";
	document.getElementById("popup03").style.display="none";
	document.getElementById("popup04").style.display="none";
}

function pop5()
{
	document.getElementById("popup01").style.display="none";
	document.getElementById("popup02").style.display="none";
	document.getElementById("popup03").style.display="block";
	document.getElementById("popup04").style.display="none";
}

function pop6()
{
	document.getElementById("popup01").style.display="none";
	document.getElementById("popup02").style.display="none";
	document.getElementById("popup03").style.display="none";
	document.getElementById("popup04").style.display="block";
}

function pop7()
{
	document.getElementById("popup10").style.display="block";
}