function check_empty(text){
	var value="";
	value = text;
	if(value == ""){return false;}
	if(value.match(/[^\s.+]/)){return true;}
	return true;
}

function check_email(this_handle)
{		
		if(!check_empty(this_handle)){ return false; }
		var form_value="";
		form_value = this_handle;
		
		if(form_value.match(/\w.+\@\w.+\.(\b[a-zA-Z]{2,4}\b)/)){ return true; }
		else { return false; }
}