function imgSwap(oImg)
{
   var strOver  = "_on"    // image to be used with mouse over
   var strOff = "_off"     // normal image
   var strImg = oImg.src
   if (strImg.indexOf(strOver) != -1) 
      oImg.src = strImg.replace(strOver,strOff)
   else
      oImg.src = strImg.replace(strOff,strOver)
}
function 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function showHideLayers() { //v6.0
  var i,p,v,obj,args=showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'block':(v=='hide')?'none':v; }
    obj.display=v; }
}
function contactvalidate()
{
	var sMsg = '';
	
		var from_name = document.getElementById('Name');
		var from_email = document.getElementById('from_email');
		var from_security = document.getElementById('txtCaptcha');

	if( from_name.value == '' )
	sMsg += 'Please enter your name\n';
	
	if( from_email.value == '' )
	sMsg += 'Please enter your email adddress\n';
	
	if( from_security.value == '' )
	sMsg += 'Please enter the anti-spam security number\n';
	
	if( sMsg != '' )
	{
		window.alert( sMsg );
		return false;
	}
	else
		return true;
}