Process Activity Routing Based on Buttons Instead of Select Box

<script type="text/javascript">
var selectBoxName = "approval_request_approval_action_status";
$(function(){
	$(FormUtil.getField(selectBoxName)).parent().hide();
	$(FormUtil.getField(selectBoxName)).children().each(function(){
		if($(this).attr("value") != ""){
			var cssClass = $(".form-button:last").attr("class");
			var button = "<div type=\"button\" class=\"form-cell\"><button class=\"" + cssClass + "\" onclick=\"completeWithVariable($(this));return false;\" value=\"" + $(this).attr("value") + "\">" + $(this).attr("value") + "</button></div>";
			$(".form-button:last").after(button);
		}
	});
});
function completeWithVariable(obj){
	$(FormUtil.getField(selectBoxName)).val($(obj).val());
	$("#assignmentComplete").trigger("click");
}
</script>
<style type="text/css">
    input#assignmentComplete{
        display: none;
    }
</style>