// function for popup back link
function goToPage(PageURL)
	{
	try
		{
		window.opener.location = PageURL;
		window.close();
		}
	catch(e)
		{
		window.location = PageURL;
		}
	};
	
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 MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function isEmail(str)
	{
	// are regular expressions supported?
	var supported = 0;
	if (window.RegExp)
		{
		var tempStr = "a";
		var tempReg = new RegExp(tempStr);
		if (tempReg.test(tempStr))
			{
			var supported = 1;
			}
		}
	if (supported == 1)
		{
		var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
		var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
		return (!r1.test(str) && r2.test(str));
		}
	else
		{
		return (str.indexOf(".") > 2) && (str.indexOf("@") > 0) && (str.indexOf("@") < 2);
		}
	};
	function TestLoginForm() {
	 var err = 0;
	 var errMsg = "Please provide us with the following:";
	 //field checking logic
	 if(document.loginform.IATA.value == "")
	 	{err = 1; errMsg = errMsg + "\nYour IATA Number";}
	 else
	 	{
		if( (document.loginform.IATA.value.length < 4) || (document.loginform.IATA.value.length > 12) )
			{err = 1; errMsg = errMsg + "\nYour IATA is invalid"}
		}
	 if(document.loginform.email.value == "")
		{err = 1; errMsg = errMsg + "\nYour Email Address"}
	 else
		 {
		 if(!isEmail(document.loginform.email.value))
		 	{err = 1; errMsg = errMsg + "\nYour Email Address is not valid";}
		 }
	 if(err == 1)
		{alert(errMsg); return false;}
	 else
		{return true;}
	}