<!--
function popup(url,w,h,menu) {
	x = Math.floor((screen.width - w) / 2);
	y = Math.floor((screen.height - h) / 2);        
	now = new Date();
	features = "screenx="+x+",screeny="+y+",left="+x+",top="+y+",width="+w+",height="+h+",location=no,resizable=yes"+",directories=no,status=no,scrollbars=yes";

	if (menu != null) {
		//features += ",menubar=yes,toolbar=yes,scrollbars=yes";
		features += ",menubar=yes,toolbar=yes";
	} else {
		//features += ",menubar=no,toolbar=no,scrollbars=no"; 
		features += ",menubar=no,toolbar=no"; 
	}
	window.open(url,"newwin",features);
}

function openImage(imagename,width,height) {
  window.open(imagename,'','height='+height+',width='+width+',menubar=yes');
}

function glossaryPopup(filename,width,height) {
	window.open(filename,'','height='+height+',width='+width+',menubar=no');
}

function textbookPopup(filename,width,height) {
	window.open(filename,'','height='+height+',width='+width+', menubar=yes, toolbar=yes, scrollbars=yes');
}

function navbartextHeight()
{
if (document.getElementById)
{
  adjustment= document.getElementById("contentlayer").offsetTop-document.getElementById("SideMenu").offsetTop;
   //alert("Adjustment = "+adjustment);
  navbartH= document.getElementById("navbartext").offsetHeight;
  // alert("navbartH = "+navbartH);
  sidemenuH= document.getElementById("SideMenu").offsetHeight;
 //  alert("sidemenuH = "+sidemenuH);
  contentH= document.getElementById("contentlayer").offsetHeight;
 //  alert("contentH = "+contentH);
  updateH= document.getElementById("updateinfolayer").offsetHeight;
 //  alert("updateH = "+updateH);
  newspacer=0;
//  alert("newspacer = "+newspacer );
} 
else if (document.layers)
{
  adjustment= document.layers["contentlayer"].top-document.layers["SideMenu"].top;
  navbartH= document.layers["navbartext"].clip.height;
  sidemenuH= document.layers["SideMenu"].clip.height;
  contentH= document.layers["contentlayer"].clip.height;
  updateH= document.layers["updateinfolayer"].clip.height;
  newspacer=0;
}
if (navbartH<sidemenuH)
{
	if (contentH<=sidemenuH)
	{newspacer=10;}
	else {newspacer=contentH-sidemenuH-updateH;}
}
else if (navbartH==sidemenuH)
{
	if (contentH<=navbartH)
	{newspacer=10;}
	else {newspacer=contentH-navbartH-updateH;}
}
else
{	
	if (contentH<=navbartH)
	{newspacer=navbartH-sidemenuH;}
	else if (contentH-navbartH<=updateH)
	{newspacer=contentH-sidemenuH;}
	else {newspacer=contentH-sidemenuH-updateH;}
}
newspacer+=adjustment;
return(newspacer);
//  alert("newspacer = "+newspacer);
}

function updateLayerHeight(layer, newheight)
{
 if (document.getElementById)
         document.getElementById(layer).style.height=newheight;
 else if (document.all)
         layer.offsetHeight=newHeight;
 else if (document.layers)
         document.layers[layer].clip.height=newheight;
}


function updatePosNav(navbar, update)
{
 if (document.getElementById)
	{

	 navtopoffset = document.getElementById(navbar).offsetTop;
	 navheight = document.getElementById(navbar).offsetHeight;
	 setupdate = navtopoffset + navheight;
	 document.getElementById(update).style.top = setupdate;
     navtopoffset = document.getElementById(update).offsetTop;
	 navheight = document.getElementById(update).offsetHeight;
	 setupdate = navtopoffset + navheight + 1;
	// document.getElementById("thispageurllayer").style.top = setupdate;
	}
 else if (document.all)
	  {
 	navtopoffset = navbar.offsetTop;
 	navheight = navbar.offsetHeight;
 	setupdate = navtopoffset + navheight + 10;

 	 update.style.pixelTop = setupdate;
 	 navtopoffset = update.offsetTop;
	 navheight = update.offsetHeight;
	 setupdate = navtopoffset + navheight + 1;
	 thispageurllayer.style.pixelTop = setupdate;
	  }
 else if (document.layers){
 	navtopoffset = document.layers[navbar].top;
	navheight = document.layers[navbar].clip.height;
	 setupdate = navtopoffset + navheight;

	 document.layers[update].top = setupdate;

	 navtopoffset = document.layers[update].top;
 	navheight = document.layers[update].clip.height;
 	setupdate = navtopoffset + navheight + 1;
 	//document.layers["thispageurllayer"].top = setupdate;
  }
 }

function updatePos2new()
{
 if (document.getElementById)
	{
	 navtopoffset = document.getElementById("navbarnew").offsetTop;
	 navheight = document.getElementById("navbarnew").offsetHeight;
	 setupdate = navtopoffset + navheight + 10;
	 document.getElementById("UpdateInfoLayer").style.top = setupdate;
     navtopoffset = document.getElementById("UpdateInfoLayer").offsetTop;
	 navheight = document.getElementById("UpdateInfoLayer").offsetHeight;
	 setupdate = navtopoffset + navheight + 1;
	 document.getElementById("thispageurllayer").style.top = setupdate;
	}
 else if (document.all)
	  {
 	navtopoffset = navbarnew.offsetTop;
 	navheight = navbarnew.offsetHeight;
 	setupdate = navtopoffset + navheight + 10;

 	 UpdateInfoLayer.style.pixelTop = setupdate;
 	 navtopoffset = UpdateInfoLayer.offsetTop;
	 navheight = UpdateInfoLayer.offsetHeight;
	 setupdate = navtopoffset + navheight + 1;
	 thispageurllayer.style.pixelTop = setupdate;
	  }
 else if (document.layers){
 	navtopoffset = document.layers["navbarnew"].top;
	navheight = document.layers["navbarnew"].clip.height;
	 setupdate = navtopoffset + navheight + 2;

	 document.layers["UpdateInfoLayer"].top = setupdate;

	 navtopoffset = document.layers["UpdateInfoLayer"].top;
 	navheight = document.layers["UpdateInfoLayer"].clip.height;
 	setupdate = navtopoffset + navheight + 1;
 	document.layers["thispageurllayer"].top = setupdate;
  }
 }
 
function updatePos2()
{
 if (document.getElementById)
	{
	 navtopoffset = document.getElementById("navbar").offsetTop;
	 navheight = document.getElementById("navbar").offsetHeight;
	 setupdate = navtopoffset + navheight + 10;
	 document.getElementById("UpdateInfoLayer").style.top = setupdate;
     navtopoffset = document.getElementById("UpdateInfoLayer").offsetTop;
	 navheight = document.getElementById("UpdateInfoLayer").offsetHeight;
	 setupdate = navtopoffset + navheight + 1;
	 document.getElementById("thispageurllayer").style.top = setupdate;
	}
 else if (document.all)
	  {
 	navtopoffset = navbar.offsetTop;
 	navheight = navbar.offsetHeight;
 	setupdate = navtopoffset + navheight + 10;

 	 UpdateInfoLayer.style.pixelTop = setupdate;
 	 navtopoffset = UpdateInfoLayer.offsetTop;
	 navheight = UpdateInfoLayer.offsetHeight;
	 setupdate = navtopoffset + navheight + 1;
	 thispageurllayer.style.pixelTop = setupdate;
	  }
 else if (document.layers){
 	navtopoffset = document.layers["navbar"].top;
	navheight = document.layers["navbar"].clip.height;
	 setupdate = navtopoffset + navheight + 2;

	 document.layers["UpdateInfoLayer"].top = setupdate;

	 navtopoffset = document.layers["UpdateInfoLayer"].top;
 	navheight = document.layers["UpdateInfoLayer"].clip.height;
 	setupdate = navtopoffset + navheight + 1;
 	document.layers["thispageurllayer"].top = setupdate;
  }
 }
function ow_resizeTo(m,n)
{
if (document.layers){
 //window.outerHeight = screen.height;
 //window.outerWidth = 640;
 return;
 }
 if ((document.getElementById)&&(navigator.appName == "Netscape")) {n-=50;}
 //resizeTo(m,n);
}
 
function validateDrBob(passForm){
 email1 = passForm.Email.value;
 email2 = passForm.Email2.value;
 if (email1 != email2){
  alert("The email addresses you typed did not match. You typed "+passForm.email.value+" and "+passForm.email2.value+".\nPlease try entering your email address again so we will be able to answer your question.");
  passForm.email.focus();
  return false;
  }
 else{
  return true;
 }
 
}
  
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_jumpMenuGo(selName,targ,restore){ //v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}

function writeFilename(text,id){
if (document.getElementById)
	{
		x = document.getElementById(id);
		x.innerHTML = '<P CLASS="contactinfo">http://oceanworld.tamu.edu/<br>' + text + '</P>';
	}
 else if (document.all)
	  {
		x = document.all[id];
		x.innerHTML = '<P CLASS="contactinfo">' + text + '</P>';
	  }
 else if (document.layers){
  x = document.layers[id];
  oldHeight = x.clip.height;
  x.document.open();
  x.document.write("<P class='contactinfo'>http://oceanworld.tamu.edu/<br>"+text+"</P>");
  x.document.close();
  x.clip.height = oldHeight;
  }
}
function parseName(filestring){

 re = /\s*\/\s*/;
 newstring = filestring.split(re);
 if (newstring.length == 3)
 {
  newstring = newstring[newstring.length-1];
  }
  else newstring = newstring[newstring.length-2]+'/'+newstring[newstring.length-1];
 return newstring;
}

function testQuestionnaire(passForm){

 if (passForm.typeofuser[0].checked){ 
  passForm.redirect.value = "http://oceanworld.tamu.edu/survey/survey_student.htm";
  }
 else if (passForm.typeofuser[1].checked){
  passForm.redirect.value = "http://oceanworld.tamu.edu/survey/survey_educator.htm";
  }
 else if (passForm.typeofuser[2].checked){
  passForm.redirect.value = "http://oceanworld.tamu.edu/survey/survey_scientist.htm";
  }
 else {
  passForm.redirect.value = "http://oceanworld.tamu.edu/survey/survey_visitor.htm";
  }

 return true;
}

function changeAtlas(oceanindex){
	oceanarray = new Array('The Pacific Ocean','The Atlantic Ocean','The Indian Ocean');
	if (document.all == null){
		document.layers['contentlayer'].document.atlasform.oceannamefield.value = oceanarray[oceanindex];
		}
	else atlasform.oceannamefield.value = oceanarray[oceanindex];
}

function updatePos(){
 var navtopoffset,navheight,setupdate = 0;
if (document.all == null){
 navtopoffset = document.layers["navbar"].top;
 navheight = document.layers["navbar"].clip.height;
 setupdate = navtopoffset + navheight + 2;
 document.layers["UpdateInfoLayer"].top = setupdate;
 navtopoffset = document.layers["UpdateInfoLayer"].top;
 navheight = document.layers["UpdateInfoLayer"].clip.height;
 setupdate = navtopoffset + navheight + 1;
 document.layers["thispageurllayer"].top = setupdate;
 }
else {
 navtopoffset = navbar.offsetTop;
 navheight = navbar.offsetHeight;
 setupdate = navtopoffset + navheight + 10;
 UpdateInfoLayer.style.pixelTop = setupdate;
 navtopoffset = UpdateInfoLayer.offsetTop;
 navheight = UpdateInfoLayer.offsetHeight;
 setupdate = navtopoffset + navheight + 1;
 thispageurllayer.style.pixelTop = setupdate;
 }
}

function nonavupdatePos(){
 var navtopoffset,navheight,setupdate = 0;
if (document.all == null){//Set the layer positions in Netscape
 navtopoffset = document.layers["nonavcontentlayer"].top;
 navheight = document.layers["nonavcontentlayer"].clip.height;
 setupdate = navtopoffset + navheight + 10;
 document.layers["nonavUpdateInfoLayer"].top = setupdate;
 navtopoffset = document.layers["nonavUpdateInfoLayer"].top;
 navheight = document.layers["nonavUpdateInfoLayer"].clip.height;
 setupdate = navtopoffset + navheight + 1;
 document.layers["thispageurllayer"].top = setupdate;
 }
else {//Set the layer positions in MSIE
 navtopoffset = nonavcontentlayer.offsetTop;
 navheight = nonavcontentlayer.offsetHeight;
 setupdate = navtopoffset + navheight + 10;
 nonavUpdateInfoLayer.style.pixelTop = setupdate;
 navtopoffset = nonavUpdateInfoLayer.offsetTop;
 navheight = nonavUpdateInfoLayer.offsetHeight;
 setupdate = navtopoffset + navheight + 1;
 thispageurllayer.style.pixelTop = setupdate;
 }
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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) { //v4.0
  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 && document.getElementById) x=document.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];}
}
//-->