function $(element){
	return document.getElementById(element);
}

function copyAddress(address,setAddress,suburb,setSuburb,postcode,setPostcode,state,setState){
	if($(address) && $(setAddress)){
		$(setAddress).value=$(address).value;				   
	}
	if($(suburb) && $(setSuburb)){
		$(setSuburb).value=$(suburb).value;				   
	}
	if($(postcode) && $(setPostcode)){
		$(setPostcode).value=$(postcode).value;				   
	}
	if($(state) && $(setState)){
		$(setState).value=$(state).value;				   
	}
}

function getDocHeight(doc) {
  var docHt = 0, sh, oh;
  if (doc.height) docHt = doc.height;
  else if (doc.body) {
    if (doc.body.scrollHeight) docHt = sh = doc.body.scrollHeight;
    if (doc.body.offsetHeight) docHt = oh = doc.body.offsetHeight;
    if (sh && oh) docHt = Math.max(sh, oh);
  }
  return docHt;
}

function setIframeHeight(iframeName) {
  var iframeWin = window.frames[iframeName];
  var iframeEl = document.getElementById? document.getElementById(iframeName): document.all? document.all[iframeName]: null;
  if ( iframeEl && iframeWin ) {
    iframeEl.style.height = "auto"; // helps resize (for some) if new doc shorter than previous  
    var docHt = getDocHeight(iframeWin.document);
    // need to add to height to be sure it will all show
    if (docHt) iframeEl.style.height = docHt + 30 + "px";
  }
}

function loadIframe(iframeName, url) {
  if ( window.frames[iframeName] ) {
    window.frames[iframeName].location = url;   
    return false;
  }
  else return true;
}