function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
	if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
	obj.visibility=v; }
}

function changeSelects( valSel1, valToEnable, div ) {
	
	var boolDisable = ( valSel1 != valToEnable );
	var strShowHide = ( !boolDisable ) ? "show" : "hide";
	
	MM_showHideLayers( div, '', strShowHide );
				
	return boolDisable;
}

function jumpTO( strURL ) {

	if( strURL != "" )
		window.location.href = strURL;
}

function submitForm( valSel1, valToEnable, sel2, div ) {

	var boolDisable = changeSelects( valSel1, valToEnable, div );
	
	if( valSel1 != "" ) {
		
		var strURL = ( boolDisable ) ? valSel1 : sel2.value;
		
		jumpTO( strURL );
		
	}
}
/* Pop Open in New Window */

var newwindow;
function pop_video_window(url)
{
	newwindow=window.open(url,'name','height=400px,width=420px');
	if (window.focus) {newwindow.focus()}
}

/* Video hover text */
var video_text_array = new Array("china", "europe", "italy", "river");

function displayvideo_text(the_video_text){
	 if (document.getElementById(the_video_text).style.display==""){
	   document.getElementById(the_video_text).style.display = "none";return
  }
  for (i=0;i<video_text_array.length;i++){
	   var my_video_text = document.getElementById(video_text_array[i]);
	   my_video_text.style.display = "none";
	 }
  document.getElementById(the_video_text).style.display = "";
}