// JavaScript Document

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];}
}

/* Ugly MM form validation...does the trick! */
function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

//Functions below are taken from www.searchmarketingworld2007.com, no sense writting them again!

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;
}

// Validate before we go to realex, Want to capture all delegate info
// Validate before we go to realex, Want to capture all delegate info
function loaded() {
  	// Justin, need to validate the delegate fields...
	for(i=0; i<document.realex.elements.length; i++)
	{
		var fieldname = document.realex.elements[i].name;
		var fieledvalue = document.realex.elements[i].value;
		if (fieldname.indexOf("delegate_name") == 0)
		{
			// Do the validate thing!
			if (fieledvalue == "")
			{
				alert("Please enter a name for all delegates attending.");
				document.realex.elements[i].focus();
				return false;
			}
		}
		if (fieldname.indexOf("delegate_email") == 0)
		{
			// Validate as not blank!
			if (fieledvalue == "")
			{
				alert("Please enter an email address for all delegates attending.");
				document.realex.elements[i].focus();
				return false;
			}
			// Validate as valid
			if (!emailcheck(fieledvalue))
			{
				alert("You must enter a valid email address for all delegates attending.");
				document.realex.elements[i].focus();
				return false;
			}
		}
	}
	// If we have got this far, its all good!
  	return true;
}

// Validate before we go to realex, Want to capture all delegate info
function loaded_cheque() {
  	// Justin, need to validate the delegate fields...
	for(i=0; i<document.cheque.elements.length; i++)
	{
		var fieldname = document.cheque.elements[i].name;
		var fieledvalue = document.cheque.elements[i].value;
		if (fieldname.indexOf("delegate_name") == 0)
		{
			// Do the validate thing!
			if (fieledvalue == "")
			{
				alert("Please enter a name for all delegates attending.");
				document.cheque.elements[i].focus();
				return false;
			}
		}
		if (fieldname.indexOf("delegate_email") == 0)
		{
			// Validate as not blank!
			if (fieledvalue == "")
			{
				alert("Please enter an email address for all delegates attending.");
				document.cheque.elements[i].focus();
				return false;
			}
			// Validate as valid
			if (!emailcheck(fieledvalue))
			{
				alert("You must enter a valid email address for all delegates attending.");
				document.cheque.elements[i].focus();
				return false;
			}
		}
	}
	// If we have got this far, its all good!
  	return true;
}

// Off to realex we don't go!
function cancel() {
  window.location = "index.php?id=4"
}

function emailcheck(str) {
   return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
}