function showSources(sel)
{
    ddl = document.getElementById("ddlMarketingDetail");
    
    while (ddl.hasChildNodes())
    {
        ddl.removeChild(ddl.childNodes[0]);
    }
    
    if (sel == 0)
    {
        ddl.options[0] = new Option("N/A", "Not Selected");
    }
    else
    {
        if (sel == 1)
        {
           ddl.options[0] = new Option("Please Select.......", "Magazine - Not Selected");
           ddl.options[1] = new Option("Cosmopolitan", "Cosmopolitan");
           ddl.options[2] = new Option("Company", "Company");
           ddl.options[3] = new Option("Elle", "Elle");
           ddl.options[4] = new Option("Glamour", "Glamour");
           ddl.options[5] = new Option("New Woman", "New Woman");
           ddl.options[6] = new Option("Marie Claire", "Marie Claire");
           ddl.options[7] = new Option("Red", "Red");
           ddl.options[8] = new Option("Zest", "Zest");
           ddl.options[9] = new Option("She", "She");
           ddl.options[10] = new Option("Eve", "Eve");
           ddl.options[11] = new Option("Love It", "Love It");
           ddl.options[12] = new Option("Yorkshire Today", "Yorkshire Today");
           ddl.options[13] = new Option("Accent Magazine", "Accent Magazine");
           ddl.options[14] = new Option("Now", "Now");
           ddl.options[15] = new Option("OK!", "OK!");
        }
        if (sel == 2)
        {
            ddl.options[0] = new Option("Please Select.......", "Newspaper - Not Selected");
            ddl.options[1] = new Option("News of the World", "News of the World");
            ddl.options[2] = new Option("Sun TV (Sat Sup)", "Sun TV (Sat Sup)");
            ddl.options[3] = new Option("Daily Star", "Daily Star");
            ddl.options[4] = new Option("The Sun", "The Sun");
            ddl.options[5] = new Option("The Daily Mail", "The Daily Mail");
            ddl.options[6] = new Option("Sunday Mirror M Celebs", "Sunday Mirror M Celebs");
        }
        if (sel == 3)
        {
            ddl.options[0] = new Option("Please Select.......", "Online - Not Selected");
            ddl.options[1] = new Option("Google Search", "Google Search");
            ddl.options[2] = new Option("Hotmail Email", "Hotmail Email");
            ddl.options[3] = new Option("Other Search Engine Search", "Other Search Engine Search");
            ddl.options[4] = new Option("MSN Banner", "MSN Banner");
            ddl.options[5] = new Option("Hotmail Banner", "Hotmail Banner");
            ddl.options[6] = new Option("Friends Reunited Bannner", "Friends Reunited Bannner");
            ddl.options[7] = new Option("Other Online Banner", "Other Online Banner");
            ddl.options[8] = new Option("Other Website Link", "Other Website Link");
        }
        if (sel == 4)
        {
            ddl.options[0] = new Option("Please Select.......", "Referral - Not Selected");
            ddl.options[1] = new Option("MYA Referral Scheme", "MYA Referral Scheme");
            ddl.options[2] = new Option("Friends and Family Referral", "Friends and Family Referral");
            ddl.options[3] = new Option("Other Referral", "Other Referral");
        }
        if (sel == 5)
        {
            ddl.options[0] = new Option("Please Select.......", "Radio - Not Selected");
            ddl.options[1] = new Option("Local Radio", "Local Radio");
            ddl.options[2] = new Option("National Radio", "National Radio");
        }
        if (sel == 6)
        {
            ddl.options[0] = new Option("Please Select.......", "Directory - Not Selected");
            ddl.options[1] = new Option("Thompson Directory", "Thompson Directory");
            ddl.options[2] = new Option("Yellow Pages", "Yellow Pages");
            ddl.options[3] = new Option("Yell.co.uk", "Yell.co.uk");
        }
        if (sel == 7)
        {
            ddl.options[0] = new Option("Please Select.......", "Mail - Not Selected");
            ddl.options[1] = new Option("Mail Order Catalogue", "Mail Order Catalogue");
            ddl.options[2] = new Option("Leaflet Through The Door", "Leaflet Through The Door");
            ddl.options[3] = new Option("Letter Addressed To Me", "Letter Addressed To Me");
        }
        if (sel == 8)
        {
            ddl.options[0] = new Option("Please Select.......", "Press Story - Not Selected");
            ddl.options[1] = new Option("Daily Telegraph", "Daily Telegraph");
            ddl.options[2] = new Option("Daily Star", "Daily Star");
            ddl.options[3] = new Option("Doncaster Advertiser", "Doncaster Advertiser");
            ddl.options[4] = new Option("Doncaster Star", "Doncaster Star");
            ddl.options[5] = new Option("Yorkshire Evening Post", "Yorkshire Evening Post");
            ddl.options[6] = new Option("Yorkshire Post", "Yorkshire Post");
            ddl.options[7] = new Option("Yorkshire Today", "Yorkshire Today");
        }
        if (sel == 9)
        {
            ddl.options[0] = new Option("Please Select.......", "Other - Not Selected");
            ddl.options[1] = new Option("Voucher For Me", "Voucher For Me");
            ddl.options[2] = new Option("Clinic Open Evening", "Clinic Open Evening");
        }
    }
}