// Menu function 8/26/03 v2.0 - DG.  Returns X position used for DHTML menu.

function getElement(id) { 
return document.all ? document.all(id) : 
document.getElementById ? document.getElementById(id) : 
document.layers ? document.layers[id] : 
null; 
} 

function findx(eElement, loc)
{
	var posleft = 0;
	var iobj;
	// Handle NS 4
	if (navigator.appName=="Netscape" && parseInt(navigator.appVersion)==4)  //Navigator 4 handled separately
	{
		 iobj = document.anchors.NN.x;
		 posleft = iobj;
	} else {
	// Handle IE + NS6
  		  posleft = eElement.offsetLeft;          // initialize var to store calculations
   		 var eParElement = eElement.offsetParent;     // identify first offset parent element  
  		  while (eParElement != null)
  		  {                                            // move up through element hierarchy
   		     posleft += eParElement.offsetLeft;      // appending left offset of each parent
   		     eParElement = eParElement.offsetParent;  // until no more offset parents exist
  		  }
	}
	
	if (loc==8) {return posleft+0;} //
	else if (loc==1) {return posleft+0;} //Secret Garden
	else if (loc==2) {return posleft+109;} //Dolphin Habitat 
	else if (loc==3) {return posleft+223;} //Tour Info
	else if (loc==4) {return posleft+315;} //Student Activities 
	else if (loc==5) {return posleft+436;} //Research 
	return false;
	//(document.layers)
}

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

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_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_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 SetStatusbar(msg){
	window.status=msg;
	return true;
}


// Center Pop Window - 10.13.03 RCS - v2.0
function popOpen(theURL, Name, popW, popH, scroll, resize, menu, stat, tool) { 
var winleft = (screen.width - popW) / 2;
var winUp = (screen.height - popH) / 2;
winProp = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+',scrollbars='+scroll+',resizable='+resize+',menubar='+menu+',status='+stat+',toolbar='+tool+''
Win = window.open(theURL, Name, winProp)
if (parseInt(navigator.appVersion) >= 4) { Win.window.focus(); }
}


// Open guestbook / MPE
function guestBook(email){
var winleft = (screen.width - 670) / 2;
var winUp = (screen.height - 500) / 2;
winProp = 'width=670,height=500,left='+winleft+',top='+winUp+',scrollbars=yes,resizable=yes,menubar=no,status=yes,toolbar=no'
Win = window.open('/signup.aspx?email='+email, 'guestbook', winProp)
if (parseInt(navigator.appVersion) >= 4) { Win.window.focus(); }
}



//var URL = "/signup.aspx?"
//if (email != undefined){
//	URL += "email=" + email
//}
//window.open(URL,'go','scrollbars=yes,status=yes,resizable=yes,width=670,height=500)
//}

// Center Pop Window
function popWin(theURL, winName, popW, popH, features) { 
var winleft = (screen.width - popW) / 2;
var winUp = (screen.height - popH) / 2;
winProp = 'width='+popW+',height='+popH+',left='+winleft+',top='+winUp+',resizable=yes,status=yes,'+features;
Win = window.open(theURL,winName,winProp);
if (parseInt(navigator.appVersion) >= 4) { Win.focus(); }
}


function PrivacyWin() {
var winleft = (screen.width - 450) / 2;
var winUp = (screen.height - 450) / 2;
Win = window.open('http://www.mgmmirage.com/privacy.htm','privacy','toolbar=yes,scrollbars=yes,resizable=yes,status=yes,width=450,height=450,top='+winUp+',left='+winleft);
if (parseInt(navigator.appVersion) >= 4) { Win.focus(); }
}

function TermsOfUseWin() {
var winleft = (screen.width - 450) / 2;
var winUp = (screen.height - 450) / 2;
Win = window.open('http://www.mgmmirage.com/termsofuse.htm','privacy','toolbar=yes,scrollbars=yes,resizable=yes,status=yes,width=450,height=450,top='+winUp+',left='+winleft);
if (parseInt(navigator.appVersion) >= 4) { Win.focus(); }
}

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);