function createParameters(){
	var frm = document.forms.order;
	var topage = "";
	var eml_chk = "";
	if (frm.topage[0].checked == true){ // member checked
		topage = "homemember";
	}else{
		topage = "home";
	}
	if (frm.eml_check.checked){
		eml_chk = "&nwsl=y";	
	}
	
	return "&firstname=" + frm.firstname.value + "&name=" + frm.name.value + "&email=" + frm.email.value + eml_chk + "&topage=" + topage;
}
function checkForm()
{
var frm = document.forms.order;
var filter = /[a-zA-Z0-9_\-']+([-+.][a-zA-Z0-9_\-']+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/ //email regex
var error = "";
var topage = "home";
var url = frm.url.value;

//	validation 
		checkAlpha(frm.firstname);
		checkAlpha(frm.name);
		if (!checkMail(frm.email) || !checkMail(frm.email2))
		{	// is the email in the correct format ?
			error = "Direcci\363n de correo electr\363nico incorrecta";
		}
		else
		{
			if (frm.email.value != frm.email2.value)
			{	
				error = "E-mail de confirmaci\363n incorrecto ";
				markRed(frm.email2);
			}
		}

//  displayerrormessage	
	if (error != "")
	{	
		alert (error);
	}
//  redirect
	else
	{ 
		window.location = url + createParameters();
	}
}