function pn_section(section) {
	
if(section=="synopsis"){
	document.getElementById("cast").style.display = "none";
	document.getElementById("cast_link").style.textDecoration = "none";
	document.getElementById("crew").style.display = "none";
	document.getElementById("crew_link").style.textDecoration = "none";
	document.getElementById("synopsis").style.display = "block";
	document.getElementById("synopsis_link").style.textDecoration = "underline";
	}
	if(section=="cast"){
	document.getElementById("synopsis").style.display = "none";
	document.getElementById("synopsis_link").style.textDecoration = "none";
	document.getElementById("crew").style.display = "none";
	document.getElementById("crew_link").style.textDecoration = "none";
	document.getElementById("cast").style.display = "block";
	document.getElementById("cast_link").style.textDecoration = "underline";
	}
	if(section=="crew"){
	document.getElementById("synopsis").style.display = "none";
	document.getElementById("synopsis_link").style.textDecoration = "none";
	document.getElementById("cast").style.display = "none";
	document.getElementById("cast_link").style.textDecoration = "none";
	document.getElementById("crew").style.display = "block";
	document.getElementById("crew_link").style.textDecoration = "underline";
	}

}
function hp_video(section) {
	 if(section=="hp_video_1"){
      document.getElementById("hp_video_1").style.display = "block";
	  document.getElementById("hp_video_2").style.display = "none";
	 }
	 if(section=="hp_video_2"){
	  document.getElementById("hp_video_2").style.display = "block";
	  document.getElementById("hp_video_1").style.display = "none";
	 }
    }