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basic-javascript-appendix-7-online-books.htm / htm



  <HTML>
  <HEAD>
  <TITLE>Online Books</TITLE>
  <SCRIPT LANGUAGE="JavaScript">
  var detailsWindow;
  var basketWindow;
  
  var stockItems = new Array();
  
  stockItems[100] = new Array();
  stockItems[100][0] = "Beginning Active Server Pages";
  stockItems[100][1] = "$39.99";
  stockItems[100][2] = 0;
  
  stockItems[101] = new Array();
  stockItems[101][0] = "Professonal JavaScript";
  stockItems[101][1] = "$46.99";
  stockItems[101][2] = 0;
  
  function removeItem(stockId)
  {
     stockItems[stockId][2] = 0;
     alert("Item Removed");
     showBasket();
     return false;
  }
  
  function showDetails(bookURL)
  {
     detailsWindow = window.open(bookURL,"bookDetails","width=400,height=500");
     detailsWindow.focus();
     return false;
  }
  
  function addBookToBasket(stockId)
  {
     stockItems[stockId][2] = 1;
     alert("Item added successfully");
     detailsWindow.close();
  }
  
  function showBasket()
  {
     basketWindow = window.open('ShoppingBasket.htm','shoppingBasket','width=400,height=350');
     basketWindow.document.open();
     var basketItem;
     var containsItems = false;
     basketWindow.document.write("<H4>Your shopping basket contains :</H4>");
  
     for (basketItem in stockItems)
     {
        if (stockItems[basketItem][2] > 0)
        {
           basketWindow.document.write(stockItems[basketItem][0] + " at ");
           basketWindow.document.write(stockItems[basketItem][1]);
           basketWindow.document.write("&nbsp&nbsp&nbsp&nbsp");
           basketWindow.document.write("<A href='' onclick='return " + "window.opener.removeItem(" + basketItem + ")'>");
           basketWindow.document.write("Remove Item</A><BR>");
           containsItems = true;
        }
     }
  
     if (containsItems == false)
     {
        basketWindow.document.write("<H4>No items</H4>");
     }
     basketWindow.document.close();
     basketWindow.focus();
  }
  
  </SCRIPT>
  </HEAD>
  <BODY>
  <H2 ALIGN=center>Online Book Buyer</H2>
  <FORM NAME=form1>
  <INPUT TYPE="button" VALUE="Show Shopping Basket" onclick="showBasket()" NAME=butShowBasket>
  </FORM>
  <P>
  Click any of the images below for more details
  </P>
  <STRONG>Beginning Active Server Pages 3</STRONG>
  <BR>
  <A NAME="begASPLink" HREF="" onclick="return showDetails('beg_asp3_details.htm')">
  <IMG SRC="beg_asp3.gif" BORDER=0>
  </A>
  <BR><BR>
  <STRONG>Professional JavaScript</STRONG>
  <BR>
  <A NAME="profJSLink" HREF="" onclick="return showDetails('prof_js_details.htm')">
  <IMG SRC="prof_js.gif" border=0>
  </A>
  </BODY>
  </HTML>
  


(C) Æliens 20/2/2008

You may not copy or print any of this material without explicit permission of the author or the publisher. In case of other copyright issues, contact the author.