Jsp newbie - quantity*price=�total - help!

Hi, im new to jsp and have made a few pages, and can display them using Tomcat, ive made a page counter and managed some validation of a form, but i cannot get this to work:
i have a form where you can select a product, then type in the price and quantity, so when you press order, it should display a page showing you what you chose and the total cost, (tryin to also use dp2??) , but im gettin in a right mess! i have ziped the two pages here: http://www.severnvalebathrooms.co.uk/ordermarbrex.zip
if someone could have a look, any help would be great!
thanks

what level feedback do you have on your server.
look at variable names,
you have:
<%
    String quantity    = request.getParameter( "quantity"    );
    String price       = request.getParameter( "price"      );
                                             // Create a convert for 2 decimal places
    java.text.DecimalFormat dp2
                        = new java.text.DecimalFormat( "�#,##0.00" );
                                        // convert a string to type int
    int    quantity = Integer.parseInt(   quantity );
                                        // convert a string to type double
    double price    = Double.parseDouble( price    );
    String strips      = request.getParameter( "strips"      );
    String whofor      = request.getParameter( "whofor"      );
    String bluemosaic = request.getParameter( "bluemosaic" );
    String greenmosaic = request.getParameter( "greenmosaic" );
    String beigemarble = request.getParameter( "beigemarble" );
    String delivery    = request.getParameter( "delivery"    );
    if( bluemosaic == null ) bluemosaic = "";
    if( greenmosaic   == null ) greenmosaic   = "";
    if( beigemarble == null ) beigemarble = "";
%> you should have like;
<%
    String quantity    = request.getParameter( "quantity"    );
    String price       = request.getParameter( "price"      );
                                             // Create a convert for 2 decimal places
    java.text.DecimalFormat dp2
                        = new java.text.DecimalFormat( "�#,##0.00" );
                                        // convert a string to type int
    int    quantities = Integer.parseInt(   quantity );
                                        // convert a string to type double
    double dPrice    = Double.parseDouble( price    );
    String strips      = request.getParameter( "strips"      );
    String whofor      = request.getParameter( "whofor"      );
    String bluemosaic = request.getParameter( "bluemosaic" );
    String greenmosaic = request.getParameter( "greenmosaic" );
    String beigemarble = request.getParameter( "beigemarble" );
    String delivery    = request.getParameter( "delivery"    );
    if( bluemosaic == null ) bluemosaic = "";
    if( greenmosaic   == null ) greenmosaic   = "";
    if( beigemarble == null ) beigemarble = "";
%> then change output vars to reflect this at bottom of page.
also i would do some checking of input vars
try calling this;
process_marbrex.jsp?quantity=xyzkind regards,
g00fy

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