/* ------------------------------------------------------------------- *
 *  esmap.org.au (Eastern Sydney Multicultural Access Project)
 * ------------------------------------------------------------------- *
 *  authors:		Chelsie Woon <chelsie@magicmonster.com>
 *  description:	common javascript
 *  filename:		js/common.js
 *
 *  $Header: /home/cvs/esmap.org.au/src/js/common.js,v 1.2 2004/08/23 13:53:10 chels Exp $
 *  $Revision: 1.2 $
 *  $Date: 2004/08/23 13:53:10 $
 * ------------------------------------------------------------------- */

// toggle div

var dom = document.getElementById;
var ns4 = document.layers;

var div_close = unescape("%3C/div%3E");
var layer_close = unescape("%3C/layer%3E");

function writeDiv(divID){return "<div id=\""+divID+"\" class=\"hide\">";}

function closeDivLayer(){
  if (ns4) { return layer_close; }
  else { return div_close; }
}

function toggle(id) {
  if(dom) {
    var thisDiv = document.getElementById(id);
    if (thisDiv.className=="hide"){
      thisDiv.className="show";
    } else {
      thisDiv.className="hide";
    }
  }
}

function hide(id) {
  if(dom) {
    var thisDiv = document.getElementById(id);
    thisDiv.className="hide";
  }
}

function show(id) {
  if(dom) {
    var thisDiv = document.getElementById(id);
    thisDiv.className="show";
  }
}


// Macromedia Functions for swapping -----------
function 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=findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}

/* Functions that swaps images. */
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=findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

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;
}


// row over states

function rowOver(obj) {
  obj.className = 'over';
}

function rowOut(obj) {
  obj.className = 'out';
}