/* this script calls the redirect page when linking to sites outside the ABC	
-- the code below would be used to call redirect script	
<a href="URL goes here" onclick="redirect(this.href,'Page title goes here'); return false">Go to the ABC Homepage</a> */

/* edited by jh, 16/3/2005 because we're linking to abc stuff in the blogs.
it should now go directly to abc sites and only redirect for non-abc */

function redirect(url, desc, noesc){
  if( url.indexOf('abc.net.au') > 0 ){ // if the abc string appears in the url
    document.location.href = url; // just go straight there
  }else{
    var tmpURL = escape(url);
    var tmpDesc = noesc ? desc : escape(desc);
    var redirectURL = '/rollercoaster/common/redirect.htm?url=' + tmpURL + '&site=' + tmpDesc;	
    document.location.href = redirectURL;	
 }
}





// these scripts are based on the Macromedia Dreamweaver Image Rollover behaviours but have been modified
// especiall for Rollercoaster.

function preloadImages(arName) {
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=eval(arName); for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function findObj(n, d) { 
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function swapImage() { 
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

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

function openBrWindow(theURL,winName,features) { 
  window.open(theURL,winName,features);
}