function selectOnChange(url) {
        var form = document.getElementById("volunteerRegistrationForm");
        var str = "";
        var str2;
        for (var i=0; i<form.elements.length; i++) 
        {
            if (form.elements[i].name == "termsAgree" ||
                form.elements[i].name == "receive_newsletter" || 
                form.elements[i].name == "threeYearExperience" || 
                form.elements[i].name == "releventQualifications" || 
                form.elements[i].name == "interestingEmails" || 
                form.elements[i].name == "probono"
                )    
                {
                str2 = form.elements[i].checked;
            } 
            else 
            {
                if (form.elements[i].name == "actor_skill_types" ||
                    form.elements[i].name == "referring_bodies" ||
                    form.elements[i].name == "professional_Bodies" ||
                    form.elements[i].name == "professional_qualifications"
                    ) 
                {
                	str2 = "";
                    for (var j=0; j<form.elements[i].options.length; j++) 
                    {
                    	if(form.elements[i].options[j].selected == true)
                    	{
                        	str2 += "&" + form.elements[i].name + "=" + form.elements[i].options[j].value;
                        }
                    }
                }
				else
				{
				  str2 = form.elements[i].value;
				}
            }
            str += "&" + form.elements[i].name + "=" + str2;
        }
        location.href= url + str;
}