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 checkSearch(form)
{
	var kwords = form.keywords.value;
	var pcode = form.postcode.value;
	if ((kwords.toUpperCase() == 'KEYWORDS' && pcode.toUpperCase() == 'LOCATION') || (kwords == '' && pcode == '')
            || (kwords == '' && pcode.toUpperCase() == 'LOCATION') || (kwords.toUpperCase() == 'KEYWORDS' && pcode == ''))
	{
		return;
	}
	if (kwords.toUpperCase() == 'KEYWORDS' && pcode.toUpperCase() != 'LOCATION')
	{
		form.keywords.value = '';
	}
	else if (kwords.toUpperCase() != 'KEYWORDS' && pcode.toUpperCase() == 'LOCATION')
	{
		form.postcode.value = '';
	}
	form.submit();
}

function checkEnter(event, action) {
  if (window.event)
  {
  	event = window.event;
  }
  if (event.keyCode == 13)
  {
      eval(action);
  }
}

function logon()
{
	var uName = document.logonForm.uName.value;
	var pwd = document.logonForm.pwd.value;
	if (uName != '' && pwd != '')
	{
		document.logonForm.submit();
	}
	return;
}

function isValidEmail(email)
{
    var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
    return filter.test(email); 
}

function resizeIframe(iframeID) { 
/*if(self==parent) return false; /* Checks that page is in iframe. */ 
/*else if(document.getElementById&&document.all) /* Sniffs for IE5+.*/ 

/*var FramePageHeight = framePage.scrollHeight + 10; /* framePage 
is the ID of the framed page's BODY tag. The added 10 pixels prevent an 
unnecessary scrollbar. */ 

/*parent.document.getElementById(iframeID).style.height=FramePageHeight; 
/* "iframeID" is the ID of the inline frame in the parent page. */ 

//var FramePageHeight = document.getElementById(iframeID).contentWindow.document.body.scrollHeight + 10;

// firefox does resize back to smaller height so setting to zero and then resizing
var IE = /*@cc_on!@*/false;
if (!IE)
{
document.getElementById(iframeID).height = 0;
}
var FramePageHeight = document.getElementById(iframeID).contentWindow.document.body.scrollHeight;

  //change the height of the iframe
  
document.getElementById(iframeID).height = FramePageHeight;

}