function ById(x){
 document.getElementById(x)	 
}
function submit_form(form_name,page_name){
 document.getElementById(form_name).action=page_name
 document.getElementById(form_name).submit();
}
function change_ordering(form_name,page_name,field_name,field_value){
 document.getElementById(form_name).action=page_name
 document.getElementById(field_name).value=field_value;
 document.getElementById(form_name).submit();
}
function paging_function(page_name,page_number,form_name,field_name){
 document.getElementById(form_name).action=page_name
 document.getElementById(field_name).value=page_number;
 document.getElementById(form_name).submit();
}