function eStoreCartChange() {
  if (qtyChanges.length == 0) {
    return;
  }

  var adds = new Array();
  var removes = new Array();
  for (var i = 0; i<qtyChanges.length; i++) {
    if (qtyChanges[i].action == 'r') {
      removes.push(qtyChanges[i]);
    } else if (qtyChanges[i].action=='a') {
      adds.push(qtyChanges[i]);
    }

  }
  if (adds.length>0) {
    var mySKUs = new Array();
    var myUnits = new Array();
    for (var i = 0; i<adds.length; i++) {
      mySKUs.push(adds[i].sku);
      myUnits.push(adds[i].units);
    }

    dcsMultiTrack("WT.tx_e","a","WT.pn_sku",mySKUs.join(";"),
		  "WT.tx_u",myUnits.join(";"));
    WT.tx_e=WT.pn_sku=WT.tx_u="";
  }
  if (removes.length>0) {
    var mySKUs = new Array();
    var myUnits = new Array();
    for (var i = 0; i<removes.length; i++) {
      mySKUs.push(removes[i].sku);
      myUnits.push(removes[i].units);
    }

    dcsMultiTrack("WT.tx_e","r","WT.pn_sku",mySKUs.join(";"),
		  "WT.tx_u",myUnits.join(";"));
    WT.tx_e=WT.pn_sku=WT.tx_u="";
  }
} 

var qtyChanges = new Array();

function setCartDdValues(qObj,idObj) 
{
 if(qObj[qObj.selectedIndex].value > 0)
 {
  var changeObj = new Object;
  changeObj.sku = idObj.value;
  changeObj.action = "a";
  changeObj.units = qObj[qObj.selectedIndex].value;

  qtyChanges.push(changeObj);
 }
}

function addWTtagsToOrderEvent()
{
  var q = 2;

  if(document.getElementById("vwquantity1"))
  {
   var qObj = document.getElementById("vwquantity1");
   var idObj = document.getElementById("vwitem1");
   setCartDdValues(qObj,idObj);
  }
  if(document.getElementById("vwquantity2"))
  {
   var qObj = document.getElementById("vwquantity2");
   var idObj = document.getElementById("vwitem2");
   setCartDdValues(qObj,idObj);
   q = 3;
  }

  var cont = true;
  while(cont)
  {
   var vwi = 'vwitem'+q;
   if(document.getElementById(vwi))
   {
     if(document.getElementById(vwi).checked)
     { 
      var changeObj = new Object;
      changeObj.sku = document.getElementById(vwi).value;
      changeObj.action = "a";
      changeObj.units = "1";

      qtyChanges.push(changeObj);
     }
     q++;
   }
   else
   { cont = false; }
  }

  eStoreCartChange();
}