function trim(s) {
	var l=0; var r=s.length -1;
	while(l < s.length && s[l] == ' ') l++;
	while(r > l && s[r] == ' ') r-=1;
	return s.substring(l, r+1);
}

function verifyRequired(formname) {
	var sigform = document.forms[formname];
	var name = trim( sigform["name"].value );
  	var names = name.split(' ');
  	var lastname = "";
  	if (names.length > 1)
	  	lastname = names[names.length-1];
  	sigform["fields_fname"].value = names[0];
	sigform["fields_lname"].value = lastname;
  	if (sigform["fields_email"].value == "") {
    	sigform["fields_email"].focus();
    	alert(document.getElementById('error_email').innerHTML);
    	return false;
  	}
  	if (sigform["name"].value == "") {
    	sigform["name"].focus();
    	alert(document.getElementById('error_name').innerHTML);
    	return false;
  	}
	return true;
}