WebRoot/js/compare.js

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/* $Id: compare.js 15469 2008-12-19 06:34:44Z testyang $ */
var Compare = new Object();

Compare = {
  add : function(goodsId, goodsName, type)
  {
    var count = 0;
    for (var k in this.data)
    {
      if (typeof(this.data[k]) == "function")
      continue;
      if (this.data[k].t != type) {
        alert(goods_type_different.replace("%s", goodsName));
        return;
      }
      count++;
    }

    if (this.data[goodsId])
    {
      alert(exist.replace("%s",goodsName));
      return;
    }
    else
    {
      this.data[goodsId] = {n:goodsName,t:type};
    }
    this.save();
    this.init();
  },
  relocation : function()
  {
    if (this.compareBox.style.display != "") return;
    var diffY = Math.max(document.documentElement.scrollTop,document.body.scrollTop);

    var percent = .2*(diffY - this.lastScrollY);
    if(percent > 0)
      percent = Math.ceil(percent);
    else
      percent = Math.floor(percent);
    this.compareBox.style.top = parseInt(this.compareBox.style.top)+ percent + "px";

    this.lastScrollY = this.lastScrollY + percent;
  },
  init : function(){
    this.data = new Object();
    var cookieValue = document.getCookie("compareItems");
    if (cookieValue != null) {
      this.data = cookieValue.parseJSON();
    }
    if (!this.compareBox)
    {
      this.compareBox = document.createElement("DIV");
      var submitBtn = document.createElement("INPUT");
      this.compareList = document.createElement("UL");
      this.compareBox.id = "compareBox";
      this.compareBox.style.display = "none";
      this.compareBox.style.top = "200px";
      this.compareBox.align = "center";
      this.compareList.id = "compareList";