// JavaScript Document
var strat3 = document.getElementById("strat-azure");
var strat4 = document.getElementById("strat-xbox");
var strat5 = document.getElementById("strat-zune");
var strat6 = document.getElementById("strat-windows");
var strat7 = document.getElementById("strat-office");
var strat8 = document.getElementById("strat-silver");
var currentVisible = strat5;
var qs = new Querystring();
if (!qs.contains('product')) {
   loadRandomProduct();
   }
else {
   var prod = qs.get('product');
   if (prod == "azure") {
      makeVisible(strat3);
      }
   else if (prod == "xbox") {
      makeVisible(strat4);
      }
   else if (prod == "zune") {
      makeVisible(strat5);
      }
   else if (prod == "windows") {
      makeVisible(strat6);
      }
   else if (prod == "office") {
      makeVisible(strat7);
      }
   else if (prod == "silverlight") {
      makeVisible(strat8);
      }
   else {
      loadRandomProduct();
      }
   }

   
   function makeVisible(newVis) {
   newVis.style.display = "block";
   }
function loadRandomProduct() {
   var randnum = Math.random();
   var rowmax = 6;
   //total number of uncommented rows
   var rowoffset = 2;
   //number of commented rows prior to first uncommented row
   var rand = Math.round(randnum * (rowmax - 1)) + 1;
   rand = rand + rowoffset;
   switch (rand) {
      case 3 : makeVisible(strat3);
      break;
      case 4 : makeVisible(strat4);
      break;
      case 5 : makeVisible(strat5);
      break;
      case 6 : makeVisible(strat6);
      break;
      case 7 : makeVisible(strat7);
      break;
      case 8 : makeVisible(strat8);
      break;
      default : makeVisible(strat5);
      break;
      }
   }