function validate_sign_up(){
	
	var r = true;
	var form = document.getElementById("sign_up_form");
	var name = form.u_name.value;
	var email = form.u_email.value;
	
	if(name =="" || name =="Your full name..."){
	
	alert("Please provide your full name");
	r = false;
	
	}else if(email !="" && email.indexOf("@")<2){
		alert("Please provide a valid email address");
		r = false;
		
	}else if(email ==""){
		alert("Please provide an email address");
		r = false;
	}
	
	if(r ==true){
		ajax(form,name,email);
		return false;
	}else{
	
	return r;
	}
	
	
	
	
}

function ajax(form,name, email){
	
var ajaxObject = false;

if(window.XMLHttpRequest){
	ajaxObject = new XMLHttpRequest;

}else{
	ajaxObject = new ActiveXObject("Microsoft.XMLHTTP");

}

if(ajaxObject){
		
	
	ajaxObject.open("GET","sendUser.php?n="+name+"&e="+email,true);
	ajaxObject.onreadystatechange = function(){
		
		if(ajaxObject.readyState ==4 && ajaxObject.status==200){
			
			var response = ajaxObject.responseText;
			
			if(response ==="ok_confirm"){
				alert("Thank you for signing up to our Newsletter you are now on our mailing list to receive the latest ALL ARMS news")
			
				form.u_name.value ="Your full name...";
				form.u_email.value ="Your email address...";
				
				
			}else{
				alert("error sending data, please try again")
			}
			}
	}
	ajaxObject.send(null);
	
}

return false;
}