function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function NewWindow(url, windowName, w, h, scroll) {
   var winl = (screen.width - w) / 2;
   var wint = (screen.height - h) / 2;
   winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable';
   win = window.open(url, windowName, winprops);
   if (parseInt(navigator.appVersion) >= 4) { 
		win.window.focus(); 
   }
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function open_emailform(theURL,winName,features) { //v2.0
  self_url = document.URL;
  theURL = "http://www.pbs.org/newshour/scripts/common/emailastory.php?url_to_send=" + self_url;
  window.open(theURL,'emailastory','menubar=no,scrollbars=yes,resizable=yes,width=491,height=397');
}	

function open_video(theURL) { //v2.0
  window.open(theURL,'ProducerClip','status,height=460,width=475,scrollbars=no,resizable=no,toolbar=no');;
}

function flashvideo(mod,pkg,seg) {
	
	if ((pkg == "") || (seg == "")) {
		window.open(mod,'ProducerClip','status,height=460,width=475,scrollbars=no,resizable=no,toolbar=no');
	} else {
		var newvideolink = 'http://www.pbs.org/newshour/video/module.html?mod='+mod+'&pkg='+pkg+'&seg='+seg;
		window.open(newvideolink,'ProducerClip','status,height=665,width=765,scrollbars=no,resizable=no,toolbar=no');
	}
} 

function flashvideo_thenews_byid(id) {
	
	var newvideolink = 'http://www.pbs.org/newshour/video/thenews_byid.html?s='+id;
	window.open(newvideolink,'ProducerClip','status,height=585,width=765,scrollbars=no,resizable=no,toolbar=no');
	
} 

function submit_listserv() {
	if (form_email.address.value == '') {
		alert ("Please enter your E-mail address.");
		form_email.address.focus();
	} else {
		document.form_email.submit()
	}
}

function submit_feedback_comment() {
	if (feedback_comment.message.value == '') {
		alert ("Please enter your message.");
		feedback_comment.message.focus();
	} else {
		feedback_comment.lp_refer.value = document.URL;
		document.feedback_comment.submit()
	}
}

function submit_feedback_sv() {
	if (feedback_sv.name.value == '') {
		alert ("Please enter your name.");
		feedback_sv.name.focus();
	} else if (feedback_sv.citystate.value == '') {
		alert ("Please enter your city & state.");
		feedback_sv.citystate.focus();
	} else if (feedback_sv.email.value == '') {
		alert ("Please enter your e-mail address.");
		feedback_sv.email.focus();
	} else if (feedback_sv.message.value == '') {
		alert ("Please enter your story idea, essay or poem.");
		feedback_sv.message.focus();
	} else {
		feedback_sv.lp_refer.value = document.URL;
		document.feedback_sv.submit()
	}
}

function submit_contactus() {
	if (contactus.name.value == '') {
		alert ("Please enter your name.");
		contactus.name.focus();
	} else if (contactus.citystate.value == '') {
		alert ("Please enter your city & state.");
		contactus.citystate.focus();
	} else if (contactus.email.value == '') {
		alert ("Please enter your e-mail address.");
		contactus.email.focus();
	} else if (contactus.message.value == '') {
		alert ("Please enter your message.");
		contactus.message.focus();
	} else {
		contactus.lp_refer.value = document.URL;
		document.contactus.submit()
	}
}

function submit_contactus_teacher() {
	if (contactus.name.value == '') {
		alert ("Please enter your name.");
		contactus.name.focus();
	} else if (contactus.citystate.value == '') {
		alert ("Please enter your city & state.");
		contactus.citystate.focus();
	} else if (contactus.email.value == '') {
		alert ("Please enter your e-mail address.");
		contactus.email.focus();
	} else if (contactus.subject.value == '') {
		alert ("Please enter your subject.");
		contactus.subject.focus();
	} else if (contactus.message.value == '') {
		alert ("Please enter your message.");
		contactus.message.focus();
	} else {
		contactus.lp_refer.value = document.URL;
		document.contactus.submit()
	}
}

function submit_search() {
	document.submit_search.submit()
}

function MM_validateForm() { //v3.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
	if (val) { nm=val.name; if ((val=val.value)!="") {
	  if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
		if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
	  } else if (test!='R') { num = parseFloat(val);
		if (val!=''+num) errors+='- '+nm+' must contain a number.\n';
		if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
		  min=test.substring(8,p); max=test.substring(p+1);
		  if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
	} } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } 
  if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

MM_preloadImages('/newshour/extra/images/primary/shared/btn_on.jpg','/newshour/extra/images/primary/shared/btn_main_over.gif','/newshour/extra/images/primary/shared/btn_us_over.gif','/newshour/extra/images/primary/shared/btn_world_over.gif','/newshour/extra/images/primary/shared/btn_science_over.gif','/newshour/extra/images/primary/shared/btn_health_over.gif','/newshour/extra/images/primary/shared/btn_arts_over.gif','/newshour/extra/images/primary/shared/btn_sv_over.gif','/newshour/extra/images/primary/shared/btn_teachers_over.gif');
