// File:	images.js
// Author:	Charlie Root, ericx@vineyard.net
// Date:	Wed Aug 31 17:50:08 2005
// Time-stamp:	<2005-12-13 15:06:20 ericx>
// Description:	Image routines taken from Mark's header
//
// $Id: images.js,v 1.3 2006/06/28 14:16:22 ericx Exp $
// $Log: images.js,v $
// Revision 1.3  2006/06/28 14:16:22  ericx
// Added another jscript function from the main index page.
//
// Revision 1.2  2005/09/01 17:55:13  ericx
// Copied in shoHideLayers from islandinfo/index.html
//
// Revision 1.1  2005/09/01 17:51:56  ericx
// Plucked from islandinfo/daily.html in-line
//

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 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;
    }
  }
}

// Not sure, but it looks like this function is only used on the
// primary index page.  Not sure what it's for.
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();
  }
}