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 hiLite(imgName,imgObjName) {
  if (document.images) {
    document.images[imgName].src = eval(imgObjName + ".src");
  }
}

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_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 val_form()
{
	return true;
}

function setState() {
	if ((document.frmRegistration.txtCountry.value != "Canada") && (document.frmRegistration.txtCountry.value != "United States of America"))
		document.frmRegistration.txtState.value = "Foreign";
	return;
}

function checkState() {
	if ((document.frmRegistration.txtCountry.value != "Canada") && (document.frmRegistration.txtCountry.value != "United States of America")) {
		if (document.frmRegistration.txtState.value != "FO") {
			alert ("State must be set to foreign unless U.S. or Canada are selected for Country.");
			document.frmRegistration.txtState.value = "Foreign";
		}
	}
	return;
}

function checkField(txtField, txtName) {

	if (txtField.value == "")
	{
	  alert (txtName + " is a required field");
		return false;
	}
	return true;
}

function checkForm(form) {
	if (!(form.radMembership[0].checked) && !(form.radMembership[1].checked))
	{
		alert ("Please choose a membership type");
	  return false;
	}

	if (!(checkField(form.txtName, "Name")))
		return false;

	if ((form.radMembership[0].checked) && !(checkField(form.txtCompanyName, "Company Name")))
		return false;
	if (!(checkField(form.txtAddress1, "Address")))
		return false;
	if (!(checkField(form.txtCity, "City")))
		return false;		
	if (!(checkField(form.txtState, "State/Province")))
		return false;
	if (!(checkField(form.txtPostalCode, "Postal Code")))
		return false;				
	if (!(checkField(form.txtPhone, "Phone")))
		return false;
	if (!(checkField(form.txtFax, "Fax")))
		return false;				
	if (!(checkField(form.txtEmail, "Email")))
		return false;

	if (!(form.radPayment[0].checked) && (!(form.radPayment[1].checked)))
	{
		alert ("You must select a Payment Method");
		return false;
	}
	return true;
}