redirect link is not working

index.rhtml <%= form_tag %>     select category : <%= select 'treatmentphase', 'cats' , Treatmentcategories.find(:all).collect {|l|[l.name, l.id ]}%><br/>     phase : <%= text_field 'treatmentphase', 'phase'%><br>     Comments : <%= text_area 'treatmentphase','comments'%>     <%= submit_to_remote 'button', 'Save', :url => {:action => 'savephase'} %>     <%= submit_to_remote 'button', 'Save & More', :url => {:action => 'saveandmore'} %>     <%= end_form_tag%>