<script type="text/javascript">
 var jq81 = jQuery.noConflict();
jq81(document).ready(function($){

//let's create arrays
var patient = [
    {display: "My initial visit", value: "patients#visit" },
    {display: "My initial evaluation", value: "patients#visit" },
    {display: "My appointments", value: "patients#appointments" },
    {display: "Your payment policies", value: "patients#policies" }];

var doctor = [
    {display: "Our approach", value: "doctors-and-physicians" },
    {display: "Our services", value: "services" },
    {display: "Referring patients", value: "patients#visit" }];

var school = [
    {display: "Our approach", value: "schools-and-parents" },
    {display: "My child's initial evaluation", value: "patients#visit" },
    {display: "Setting appointments", value: "patients#appointments" },
    {display: "Your payment policies", value: "patients#policies" }];

var worker = [
    {display: "Our approach", value: "case-workers" },
    {display: "Insurance policies", value: "clients#insurance" },
    {display: "Your Payment policies", value: "patients#policies" },

//If parent option is changed
$("#parent_selection").change(function() {
        var parent = $(this).val(); //get option value from parent

        switch(parent){ //using switch compare selected option and populate child
              case 'patient':
                list(patient);
                break;
              case 'doctor':
                list(doctor);
                break;
              case 'school':
                list(school);
                break;
			case 'worker':
                list(worker);
                break;
            default: //default child option is blank
                $("#child_selection").html('');
                break;
           }
});

//function to populate child select box
function list(array_list)
{
    $("#child_selection").html(""); //reset child options
    $(array_list).each(function (i) { //populate child options
        $("#child_selection").append("<option value=\""+array_list[i].value+"\">"+array_list[i].display+"</option>");
    });
}

});
</script>
<span>I am a </span><select name="parent_selection" id="parent_selection">
            <option value="">-- Please Select --</option>
            <option value="patient">Patient</option>
            <option value="doctor">Doctor or physician</option>
            <option value="school">School or parent</option>
            <option value="worker">Case worker</option>
        </select>
        <br /><span>and I need information on</span>
        <select name="child_selection" id="child_selection" onchange="location = this.options[this.selectedIndex].value;">
        </select>