function showPhoto() {
    document.getElementById('nextorphoto').innerHTML = '<br /><input type="file" name="photoup" /><br /><br /><input type="submit" name="action:step2" value="Next" />';
}

function noPhoto() {
    document.getElementById('nextorphoto').innerHTML = '<p>Please provide a brief description so that Soundblock can provide a more accurate quote...</p>\n<div id="commentbox">\n<textarea name="comments" rows="8" cols="50" style="border:1px solid #000;overflow:hidden"></textarea>\n<br /><br /><input type="submit" name="action:step2" value="Next" /><br /><br />';
}

function popupwstyles() {
    window.open('popups/stylesdef_win.html','stylespopup','width=440,height=460,resizable=no,scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,copyhistory=no');
}

function popupwtypes() {
    window.open('popups/window_types.html','stylespopup','width=440,height=170,resizable=no,scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,copyhistory=no');
}

function popupdstyles() {
    window.open('popups/stylesdef_door.html','stylespopup','width=440,height=330,resizable=no,scrollbars=no,toolbar=no,location=no,directories=no,status=no,menubar=no,copyhistory=no');
}

function checktype1() {
    var type = document.getElementById('type1')[document.getElementById('type1').selectedIndex].value;
    if (type == 'aluminium') {
        document.getElementById('colour1').options[2].disabled = false;
        document.getElementById('colour1').options[3].disabled = true;
    } else if (type == 'acrylic') {
        document.getElementById('colour1').options[2].disabled = true;
        document.getElementById('colour1').options[4].disabled = true;
        document.getElementById('colour1').options[3].disabled = false;
    }
}

function checktype2() {
    var type = document.getElementById('type2')[document.getElementById('type2').selectedIndex].value;
    if (type == 'aluminium') {
        document.getElementById('colour2').options[2].disabled = false;
        document.getElementById('colour2').options[3].disabled = true;
    } else if (type == 'acrylic') {
        document.getElementById('colour2').options[2].disabled = true;
        document.getElementById('colour2').options[4].disabled = true;
        document.getElementById('colour2').options[3].disabled = false;
    }
}

function checktype3() {
    var type = document.getElementById('type3')[document.getElementById('type3').selectedIndex].value;
    if (type == 'aluminium') {
        document.getElementById('colour3').options[2].disabled = false;
        document.getElementById('colour3').options[3].disabled = true;
    } else if (type == 'acrylic') {
        document.getElementById('colour3').options[2].disabled = true;
        document.getElementById('colour3').options[4].disabled = true;
        document.getElementById('colour3').options[3].disabled = false;
    }
}

function checktype4() {
    var type = document.getElementById('type4')[document.getElementById('type4').selectedIndex].value;
    if (type == 'aluminium') {
        document.getElementById('colour4').options[2].disabled = false;
        document.getElementById('colour4').options[3].disabled = true;
    } else if (type == 'acrylic') {
        document.getElementById('colour4').options[2].disabled = true;
        document.getElementById('colour4').options[4].disabled = true;
        document.getElementById('colour4').options[3].disabled = false;
    }
}

function checktype5() {
    var type = document.getElementById('type5')[document.getElementById('type5').selectedIndex].value;
    if (type == 'aluminium') {
        document.getElementById('colour5').options[2].disabled = false;
        document.getElementById('colour5').options[3].disabled = true;
    } else if (type == 'acrylic') {
        document.getElementById('colour5').options[2].disabled = true;
        document.getElementById('colour5').options[4].disabled = true;
        document.getElementById('colour5').options[3].disabled = false;
    }
}