function submit_form(id){
	
	
	email=$F('FreeEmail_EmailAddr'+id)
	if(typeof(source) == "undefined" || source==""){
		ref=$F('ref');
	}else{
		ref=source;		
	}
	var isValid = (email.search(/\./) > 0)&&(email.indexOf("@") > 0) && (email.indexOf(" ") < 0);
	if(typeof(email) == "undefined" || !isValid){
		alert('you must enter in a valid email address');
		$('FreeEmail_EmailAddr'+id).focus();
	}else{
		pars='?FreeEmail_EmailAddr='+email+'&ref='+ref;	
		url='http://www.crisisstrategyalert.com/signups/saveaddress4.php';
		var myAjax = new Ajax.Request(
				url, 
				{
					method: 'get', 
					parameters: pars, 
					onComplete: showResponse
				});
		
	}
}


function showResponse(originalRequest)
	{
		if(originalRequest.responseText == 'success'){			
			alert('thanks for signing up');		
			// code to fire pixel for directresponse
			if(ref == 'directresponse' ){
				
				var pixel = document.createElement('iframe');
				pixel.frameborder="0";
				pixel.height="1";
				pixel.width="1";  
                document.body.appendChild(pixel);   
                pixel.src = 'http://directleads.com/lead_third/4241/'+email;
				
			}
		}else if(originalRequest.responseText == 'test'){
			
			alert('this is a test');
			
		}else{
			alert('please enter in a valid email address');
			
		}
	}