/*

  JavaScript Captcha Script
   -  2009 Shaun Gill  -
http://www.landingnet.co.uk
http://www.shaungill.co.uk   

*/

// Set Variables   
    var site    =    'http://www.pigeonshooter.com/';  // this needs to be the 'root' of the site - although keeping that link will still work

    var first    =    (Math.floor(Math.random()*10))+'';
    var second    =    (Math.floor(Math.random()*10))+'';
    var third    =    (Math.floor(Math.random()*10))+'';
    var fourth    =    (Math.floor(Math.random()*10))+'';
    var fith    =    (Math.floor(Math.random()*10))+'';

    var captcha    =    (first + second + third + fourth + fith);

function jscaptcha()
{
// Display the Captcha Images

    document.write("<label>&nbsp;</label>");
    document.write("<div id=\"jscaptcha\" style=\"border: 1px solid #f90; width: 150px;\">");
    document.write("<img src=\"" + site + "images/" + first    + ".gif\" alt=\"\">");
    document.write("<img src=\"" + site + "images/" + second + ".gif\" alt=\"\">");
    document.write("<img src=\"" + site + "images/" + third + ".gif\" alt=\"\">");
    document.write("<img src=\"" + site + "images/" + fourth + ".gif\" alt=\"\">");
    document.write("<img src=\"" + site + "images/" + fith + ".gif\" alt=\"\">");
    document.write("</div>");

// Display the Input Box
    document.write("<label>To proceed please enter numbers from the image</label>");
    document.write("<input type=\"text\" name=\"jscaptchaInput\">");

}

function jscaptchaSubmit(frm)
{
    if(frm.jscaptchaInput.value != captcha)
    {
        alert("Please double check the numbers you entered; I\'m afraid they don\'t quite match");
        valid = false;       
    }
    else
    {
        valid = true;
    }
    return valid;
}