function disable_yearcategory()
   {
   if(document.all)
      document.all.project_yearcategory.disabled=true;
   else
      if(document.layers)
         document.layers['project_yearcategory'].disabled=true;
      else
         if(document.getElementById)
            document.getElementById('project_yearcategory').disabled=true;
   }
   
function enable_yearcategory()
   {
   if(document.all)
      document.all.project_yearcategory.disabled=false;
   else
      if(document.layers)
         document.layers['project_yearcategory'].disabled=false;
      else
     if(document.getElementById)
            document.getElementById('project_yearcategory').disabled=false;
   }
   
function finotherspecify()
   {
  if(document.getElementById('project_finother').checked==true)
            document.getElementById('project_finotherspecify').disabled=false;
  else if (document.getElementById('project_finother').checked==false) 
         document.getElementById('project_finotherspecify').disabled=true;
   }
   
function disable_selfsufficient_yes()
   {
   if(document.all)
      document.all.project_selfsufficient_yes.disabled=true;
   else
      if(document.layers)
         document.layers['project_selfsufficient_yes'].disabled=true;
      else
         if(document.getElementById)
            document.getElementById('project_selfsufficient_yes').disabled=true;
   }
   
function enable_selfsufficient_yes()
   {
   if(document.all)
      document.all.project_selfsufficient_yes.disabled=false;
   else
      if(document.layers)
         document.layers['project_selfsufficient_yes'].disabled=false;
      else
     if(document.getElementById)
            document.getElementById('project_selfsufficient_yes').disabled=false;
   }
   
function disable_selfsufficient_no()
   {
   if(document.all)
      document.all.project_selfsufficient_no.disabled=true;
   else
      if(document.layers)
         document.layers['project_selfsufficient_no'].disabled=true;
      else
         if(document.getElementById)
            document.getElementById('project_selfsufficient_no').disabled=true;
   }
   
function enable_selfsufficient_no()
   {
   if(document.all)
      document.all.project_selfsufficient_no.disabled=false;
   else
      if(document.layers)
         document.layers['project_selfsufficient_no'].disabled=false;
      else
     if(document.getElementById)
            document.getElementById('project_selfsufficient_no').disabled=false;
   }
   
function disable_replicated()
   {
   if(document.all){
      document.all.project_replicated_where.disabled=true;
      document.all.project_replicated_how.disabled=true;
   }else
      if(document.layers){
         document.layers['project_replicated_where'].disabled=true;
         document.layers['project_replicated_how'].disabled=true;
      }else
         if(document.getElementById){
            document.getElementById('project_replicated_where').disabled=true;
            document.getElementById('project_replicated_how').disabled=true;
      }
   }
   
function enable_replicated()
   {
   if(document.all){
      document.all.project_replicated_where.disabled=false;
      document.all.project_replicated_how.disabled=false;
   }else
      if(document.layers){
         document.layers['project_replicated_where'].disabled=false;
         document.layers['project_replicated_how'].disabled=false;
      }else
         if(document.getElementById){
            document.getElementById('project_replicated_where').disabled=false;
            document.getElementById('project_replicated_how').disabled=false;
      }
   }