var videoisdown = false;
var videofirstrun = true;
function videotoggle () {
	if(videoisdown){
		$('#videospace').slideUp("fast", function () { document.getElementById('videospace').style.display = 'none'; });
		videoisdown = false;
		videoout();
	} else {
		if(videofirstrun){
			var varcheck = new Array();
			if(typeof(currentchapter) != 'undefined'){
				varcheck.current = currentchapter;
			}
			varcheck.number = 2707;
			varcheck.baseurl = 'http://www.pbs.org/wgbh/pages/frontline/parkinsons/';
			varcheck.oncolor = 'c6a4cb';
			varcheck.overcolor = '4c9ac0';
			if(document.getElementById('videospace')){
				document.getElementById('videospace').innerHTML = '<div id="videospaceflash"></div>';
				_papobject.embedSWF('/wgbh/pages/frontline/art/08global/chapternav.swf','videospaceflash','100%','125','9.0.0',null,varcheck,{menu: "false",allowscriptaccess:"always",wmode: "transparent"});
			}
		}
		$('#videospace').slideDown("fast");
		videoisdown = true;
		videoout();
	}
}

function videoover () {
	if(!videoisdown){
		document.getElementById('videoshow').style.backgroundImage = 'url(/wgbh/pages/frontline/parkinsons/art/p_vidclosed_a.gif)';
	} else {
		document.getElementById('videoshow').style.backgroundImage = 'url(/wgbh/pages/frontline/parkinsons/art/p_vidopen_a.gif)';
	}	
}

function videoout () {
	if(!videoisdown){
		document.getElementById('videoshow').style.backgroundImage = 'url(/wgbh/pages/frontline/parkinsons/art/p_vidclosed.gif)';
	} else {
		document.getElementById('videoshow').style.backgroundImage = 'url(/wgbh/pages/frontline/parkinsons/art/p_vidopen.gif)';
	}	
}

window.onload = function () {
		if(document.getElementById('videoshow')){
			document.getElementById('videoshow').style.display = 'block';
			videoout();
			document.getElementById('videoshow').onclick = videotoggle;
			document.getElementById('videoshow').onmouseover = videoover;
			document.getElementById('videoshow').onmouseout = videoout;
		}
		if(typeof(currentchapter) != 'undefined' || (document.referrer && document.referrer != '' && document.referrer.indexOf('pbs.org') == -1)){
			videotoggle();
		}
}

function makenextlink () {
	if(currentchapter < 7){
		if(document.getElementById('charea')){
			document.getElementById('charea').innerHTML = '';
			$('#charea').hide();
		}
		if(document.getElementById('nextthing')){
			document.getElementById('nextthing').innerHTML = '<a href="' + (currentchapter + 1) + '.html"><img src="../art/vidnext.gif" width="150" height="150" alt="" /><br /><span class="nextchapter">NEXT CHAPTER</span> ' + nextchtitle + '</a>';
			$('#nextthing').fadeIn(300);
		}
	}
}

function localchapters () {
document.write('<div id="pap_chapters"><p>You\'ll need Flash 9 or better to view this content. <a href="http://www.adobe.com/go/gntray_dl_getflashplayer" target="_new">Download it now</a></p></div>');
var h=
{
};
var i=
{
wmode:"opaque",allowScriptAccess:"always"
};
h.pap_brandcode='frol';
h.pap_program='2707';
_papobject.embedSWF("http://www.pbs.org/wgbh/pages/frontline/video/flv/clocal0.swf","pap_chapters","100%","218","9",null,h,i,
{
id:'pap_chapters',name:'pap_chapters'
}
)
}