function flip( show, hide ) {
    show.style.display = '';
    hide.style.display = 'none';
}

function drawlabel(i) {
    document.write("<td width=24 class=cblabel align=center>");
    document.write("<strong>" + i + "</strong>");
    document.write("</td>");
}

function drawcheck(game,i,qp) {
    document.write("<td width=24 height=20 align=center>");
    document.write("<input type=checkbox id="+game+"box"+i+" name=game"+game+" value="+i+" onclick=\"cbClick(this)\" "+(qp?"disabled=true":"")+">");
    document.write("</td>");
}

function checkReload()
{
    for( var i = 1; i <= 6; i++ ) {
        for( var j = 1; j <= gamenum[i]; j++ ) {
            var cb = document.getElementById(''+i+'box'+j);
            if(cb.checked)
                addCB('', i, j);
        }
    }
}

function checkTop()
{
    var ok = true;
    var input = document.getElementById('firstname');
    if( input.value == "" ) {   input.style.background = "red";     ok = false; }
    else                input.style.background = "white";
    input = document.getElementById('lastname');
    if( input.value == "" ) {   input.style.background = "red";     ok = false; }
    else                input.style.background = "white";
    input = document.getElementById('email');
    if( input.value == "" ) {   input.style.background = "red";     ok = false; }
    else                input.style.background = "white";
    input = document.getElementById('address');
    if( input.value == "" ) {   input.style.background = "red";     ok = false; }
    else                input.style.background = "white";
    input = document.getElementById('city');
    if( input.value == "" ) {   input.style.background = "red";     ok = false; }
    else                input.style.background = "white";
    input = document.getElementById('zipcode');
    if( input.value == "" ) {   input.style.background = "red";     ok = false; }
    else                input.style.background = "white";

    if( !ok ) {
        window.scrollTo(0,0);
        alert('Some of your required fields are still empty.  Please fill them in.');
    }

    return ok;
}

function checkPIN()
{
    var ok = true;
    var input = document.getElementById('pin');
    if( document.getElementById('hiddenpin').value != input.value ) {
        input.style.background = "red";
        ok = false;
    } else  input.style.background = "";
    if( !ok ) {
        window.scrollTo(0,0);
        alert('Your pin does not match.');
    }
    return ok;
}

function checksForGame(game)    {   return game == 6 ? 7 : 6;   }

function addCB( cb, game, box )
{
    var maxchecks = checksForGame(game);
    if( !games )        games = new Array();
    if( !games[game] )  games[game] = new Array();
    if( games[game].length >= maxchecks ) {
        cb.checked = false;
        alert("You have already chosen all "+maxchecks+" numbers for that game.");
        return;
    }
    games[game].push( box );
}

function remCB( cb, game, box )
{
    if( !games )        return;
    if( !games[game] )  return;
    var i = 0;
    for( ; i<games[game].length; i++)
        if( games[game][i] == box ) {
            games[game].splice( i, 1 );
            return;
        }
}

function cbClick( cb )
{
    var game = parseInt( cb.id );
    var box = parseInt( cb.id.substr( cb.id.indexOf("box")+3 ) );
    if( cb.checked )    addCB( cb, game, box );
    else            remCB( cb, game, box );
}

function qp( cb )
{
    var game = cb.value;
    var last = gamenum[game];
    var input;
    var othercb;
    if( cb.id == 'quickpick'+game )     othercb = document.getElementById('hotpick'+game);
    else                                othercb = document.getElementById('quickpick'+game);
    if(othercb)                         othercb.checked = false;

    for( var i = 1; i <= last; i++ ) {
        input = document.getElementById( game+"box"+i );
        input.checked = false;
        input.disabled = cb.checked;
    }
    if( cb.checked == false && games && games[game] )
        for( var j = 0; j < games[game].length; j++ )
            document.getElementById( game+"box"+games[game][j] ).checked = true;
}

function checkNumsForSubmit()
{
    var error = false;
    var ok = true;
    for( var i = 1; i <= 6; i++ ) {
        if( document.getElementById("quickpick"+i).checked )    continue;
        if( document.getElementById("hotpick"+i).checked )      continue;
        var maxchecks = checksForGame(i);
        if( games && games[i] && games[i].length == maxchecks ) continue;
        ok = false;
        var errorstr = "Please select "+maxchecks+" numbers, 'QUICK PICK', or 'HOT PICK' for game "+i+".";
        if( error )     error = error.concat("\n"+errorstr);
        else            error = errorstr;
    }
    if( error )
        alert(error);
    return ok;
}

function checkCCSubmit()
{
    var ccnum = document.getElementById('cc_num');
    var trash = new RegExp("[\\s-]");
    var regex = new RegExp("^[0123456789]{15,16}$");
    var cvv = document.getElementById('cvv');
    while( trash.test( ccnum.value ) )
        ccnum.value = ccnum.value.replace( trash, "" );
    var ok = regex.test( ccnum.value );
    if( !ok ) {
        var badchars = new RegExp("[^0123456789]");
        if( badchars.test( ccnum.value ) )
            alert('You have invalid characters in your credit card number.  Please use only numbers.');
        else alert('You must enter a valid credit card number.');
    }
    if( ok && cvv && cvv.style.display != 'none' ) {
        var badchars = new RegExp("[^0123456789]");
        if( cvv.value == "" || badchars.test( cvv.value ) ) {
            ok = false;
            alert('You must enter a valid cvv number.');
        }
    }
    
    // check if our submit cookie is set
    var nameEQ = "transactionsubmit=";
    var ca = document.cookie.split(';');
    var value = "";
    for(var i=0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length);
        if (c.indexOf(nameEQ) == 0) value = c.substring(nameEQ.length,c.length);
    }
    if( value.length ) {
        alert("You have sent a transaction in the last 30 seconds.  To avoid any chances of double billing your card, please wait 30 seconds before trying to submit again.");
        ok = false;
    }

    if( ok ) {
        // we're gonna submit so set the cookie
        var date = new Date();
        date.setTime(date.getTime()+30*1000);
        document.cookie = "transactionsubmit=yes; expires=" + date.toGMTString() + "; path=/";
    }

    return ok;
}

function cvvpop(lang) {
    if(!lang) {
        lang = "en";
    }
    window.open('http://images.freelotto.com/www.freelotto.com///images/en/default/popup/' + lang + '/CVV2.gif', '', 'width=310,height=360,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no');
}

function whatishotpick(lang) {
    if(!lang) {
        lang = "en";
    }
    window.open('http://images.freelotto.com/www.freelotto.com///images/en/default/popup/' + lang + '/HotpicksExplanation.gif','', 'width=400,height=250,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no');
}

function whyphonepop(lang) {
    window.open("../why_phone.asp" + (lang ? "?lang=" + lang : ""), '', 'width=350,height=200,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=no');
}