var productsByVendor = new Array();
  productsByVendor[1]  = new Array(1,2,3,4,5,6,7,8,9,10,12,13,14,15,16,17,19,20,21,22,23);
  productsByVendor[2]  = new Array(1,2,4,5,11);
  productsByVendor[3]  = new Array(1,2,11);
  productsByVendor[4]  = new Array('8');
  productsByVendor[5]  = new Array('26');
  productsByVendor[6]  = new Array(8,14);
  productsByVendor[7]  = new Array('27');
  productsByVendor[8]  = new Array(1,6);
  productsByVendor[9]  = new Array('20');
  productsByVendor[10] = new Array(1,6,7,15);
  productsByVendor[11] = new Array('24');
  productsByVendor[12] = new Array('25');
  productsByVendor[13] = new Array('1');
  productsByVendor[14] = new Array(3,5);
  productsByVendor[15] = new Array(3,4);
  productsByVendor[16] = new Array(9,10);
  productsByVendor[17] = new Array(15,16);
  productsByVendor[18] = new Array(16,18);
  productsByVendor[19] = new Array('16');
  
  function switchInfo(info_field){
    var obj = document.getElementById(info_field);
    if(obj.style.display == "block")
      obj.style.display = "none";
    else
      obj.style.display = "block";
  }
  
  
  function showProductRanges(vendor_id,highlight){
    list = productsByVendor[vendor_id];    
    for(i=0; i<list.length; i++){
      var obj = document.getElementById("link_" + list[i]);
      if(highlight){
        obj.style.display = "block";
        obj.style.background = "#ddf0ff";
        obj.style.border = "1px solid #000080";
        obj.style.padding = "0px 3px";
      }else{
        obj.style.background = "#ffffff";
        obj.style.border = "none";
        obj.style.padding = "0px";
      }
    }
  }