function showorhide(f,id){
  
  if (typeof ourProducts != "undefined")
  {
   for(i=0;i<ourProducts.length;i++){
    if(ourProducts[i].id==id){
     ourProducts[i].style.display="block";
    }else{
     ourProducts[i].style.display="none";
    }  
   }
   }
  
  }