function global_slideshowbox ( url ){

var floater = null;

	var a="toolbar=no,location=no,directories=no,menubar=no,resizable=yes,scrollbars=no";
	      if (navigator.userAgent.indexOf("Safari")>=0) {
         a+=",width=465,height=378,resizable=yes,scrollbars=no";}
         else {
         a+=",width=500,height=400,resizable=yes,scrollbars=no";}
if (navigator.appName.indexOf("Microsoft")>=0) {
               a+=",left=50,top=50";
    } else {
               a+=",screenX=50,screenY=50";
    }

    if( floater != null )
     if( floater.closed == false ) floater.close();
	      floater=window.open( "http://www.pbs.org/wgbh/pages/frontline"+url+".html","VIA",a);
                floater.creator = self;
}


function spawn (targ,x,y) {
	window.open(targ,'secondary','width=' + x + ',height=' + y + ',scrollbars=yes');
}
function video56(urlprefix,url) {
 	  var floater = null;
      var a="toolbar=no,location=no,directories=no,menubar=no"
      if (navigator.userAgent.indexOf("Safari")>=0) {
         a+=",width=418,height=276,resizable=yes,scrollbars=no"}
         else {
         a+=",width=430,height=300,resizable=yes,scrollbars=no"}
      if (navigator.appName.indexOf("Microsoft")>=0) {
         a+=",left=50,top=50";}
         else {
         a+=",screenX=50,screenY=50";}
         if( floater != null )
            if( floater.closed == false ) 
            floater.close();
            floater=window.open("http://www.pbs.org/wgbh/pages/frontline/"+urlprefix+url+"_lo.html","VIA" + url,a);
            floater.creator = self;
}

function video220(urlprefix,url) {
  	  var floater = null;
      var a="toolbar=no,location=no,directories=no,menubar=no"
      if (navigator.userAgent.indexOf("Safari")>=0) {
         a+=",width=570,height=366,resizable=yes,scrollbars=no";}
         else {
         a+=",width=582,height=390,resizable=yes,scrollbars=no";}
      if (navigator.appName.indexOf("Microsoft")>=0) {
      a+=",left=50,top=50";}
         else {
         a+=",screenX=50,screenY=50";}
         if( floater != null )
            if( floater.closed == false ) 
            floater.close();
            floater=window.open("http://www.pbs.org/wgbh/pages/frontline/"+urlprefix+url+"_hi.html","VIA" + url,a);
            floater.creator = self;
            
}

function video56detect(urlprefix,url) {
 	  var floater = null;
      var a="toolbar=no,location=no,directories=no,menubar=no"
      if (navigator.userAgent.indexOf("Safari")>=0) {
         a+=",width=444,height=293,resizable=no,scrollbars=yes"}
         else if (navigator.userAgent.indexOf("Windows")!=-1) {
         a+=",width=447,height=299,resizable=no,scrollbars=yes"}
         else if (navigator.userAgent.indexOf("Netscape")>=0) {
         a+=",width=431,height=296,resizable=no,scrollbars=yes"}
         else {
         a+=",width=430,height=293,resizable=no,scrollbars=yes"}
      if (navigator.appName.indexOf("Microsoft")>=0) {
         a+=",left=50,top=50";}
         else {
         a+=",screenX=50,screenY=50";}
         if( floater != null )
            if( floater.closed == false ) 
            floater.close();
            floater=window.open("http://www.pbs.org/wgbh/pages/frontline/"+urlprefix+url+"_lo.html","VIA" + url,a);
            floater.creator = self;
}

function video220detect(urlprefix,url) {
  	  var floater = null;
      var a="toolbar=no,location=no,directories=no,menubar=no"
      if (navigator.userAgent.indexOf("Safari")>=0) {
         a+=",width=580,height=420,resizable=no,scrollbars=no";}
         else {
         a+=",width=582,height=420,resizable=no,scrollbars=no";}
      if (navigator.appName.indexOf("Microsoft")>=0) {
      a+=",left=50,top=50";}
         else {
         a+=",screenX=50,screenY=50";}
         if( floater != null )
            if( floater.closed == false ) 
            floater.close();
            floater=window.open("http://www.pbs.org/wgbh/pages/frontline/"+urlprefix+url+"_hi.html","VIA" + url,a);
            floater.creator = self;
            
}

function video220check(prognumber,title) {
 	alert('sorry, this video is no longer available'); 
}
	
function video56check(prognumber,title) {
	  var floater = null;
      var a="toolbar=no,location=no,directories=no,menubar=no"
      if (navigator.userAgent.indexOf("Safari")>=0) {
         a+=",width=444,height=293,resizable=no,scrollbars=yes"}
         else if (navigator.userAgent.indexOf("Windows")!=-1) {
         a+=",width=447,height=299,resizable=no,scrollbars=yes"}
         else if (navigator.userAgent.indexOf("Netscape")>=0) {
         a+=",width=431,height=296,resizable=no,scrollbars=yes"}
         else {
         a+=",width=430,height=293,resizable=no,scrollbars=yes"}
      if (navigator.appName.indexOf("Microsoft")>=0) {
         a+=",left=50,top=50";}
         else {
         a+=",screenX=50,screenY=50";}
         if( floater != null ) {
            if( floater.closed == false ) 
            floater.close();
            floater=window.open("http://www.pbs.org/wgbh/pages/frontline/"+urlprefix+url+"_hi.html","VIA" + url,a);
            floater.creator = self;
     	}       
}



function newvideo(urlprefix,url){
	var floater = null;
	if( floater != null )
		if( floater.closed == false ) 
			floater.close();
			floater=window.open("http://www.pbs.org/wgbh/pages/frontline/"+urlprefix+url+".html","VIA" + url,"toolbar=no,location=no,directories=no,menubar=no,width=640,height=610,scrollbars=yes");
}