he he he ... det viste sig at være en liiidt svedig opgave, når man lige kom under motorhjelmen på den. Men jeg har vist fået flækket en nogenlunde idiotsikker løsning sammen nu. Jeg orker altså ikke at kommentere den fuldt ud (klokken er way over min sengetid :( ), men hvis du har spørgsmål, så stil dem her, så kan jeg svare dig senere!
Her er den fulde fil med udgangspunkt i din html (damn du får mange linier for dine 60 points ;-) )
---8<----------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"
http://www.w3.org/TR/html4/loose.dtd"><html>
<head>
<title>test~~~</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css">
<!--
body {
background-color: #ffffff;
}
-->
</style>
<script language="javascript" type="text/javascript">
// omdanner en talstreng til et tal. En tom streng giver tallet tomStreng.
// tal : tal der skal parses
// tomStreng : den værdi der skal returneres ved en tom streng
function str2Tal(tal,tomStreng){
if (tal=="") { tal = tomStreng; } // svarende til at det første index er valgt (uden value)
return parseInt(tal);
}
// laver (min) tocifrede talstrenge ud af tal. dvs. 0 -> "00", 5 -> "05", 13 -> "13"
function to2CifStr(tal){
if (tal==0) { return "00"; }
if (tal<10) { return "0"+tal; }
return tal+"";
}
// sætter options på et select objekt til options med tocifrede talstrenge i value og text fra start til slut
// element 0 røres ikke (element "Vælg yadayadayada")
// selectElement : det selectElement der skal have options manipuleret
// start : options rækken startende fra (fra og med) dvs. første tal i element [1]
// slut : options rækken sluttende ved (til og med) dvs. sidste tal i element [n]
function setOptions(selectElement,start,slut){
for(var i=start;i<=slut;i++){
selectElement.options[i-start+1] = new Option(to2CifStr(i),to2CifStr(i));
}
selectElement.options.length = slut+2-start;
}
function startTimeSat(tal){
tal = str2Tal(tal,0);
setOptions(document.form.stoph1,tal,23);
}
function startMinutSat(tal){
if (document.form.starth1.options[document.form.starth1.selectedIndex].value==document.form.stoph1.options[document.form.stoph1.selectedIndex].value){
// er start time og slut time ens må slutminut ikke være lavere end startminut
tal = str2Tal(tal,0);
if (tal==59){ // er startmin 59 kan slut time ikke være samme time
setOptions(document.form.stopm1,0,59);
if (document.form.stoph1.selectedIndex!=document.form.stoph1.options.length-1){
// er det ikke det sidste index, så ryk een ned
document.form.stoph1.selectedIndex = document.form.stoph1.selectedIndex+1;
} else {
// er det sidste index, så vælg index 0 ("vælg yadayadayada")
document.form.stoph1.selectedIndex = 0;
}
} else {
// sæt slutminuttallisten til startminut+1 - 59
setOptions(document.form.stopm1,tal+1,59);
}
}
}
function slutTimeSat(tal){
tal = str2Tal(tal,0);
if (document.form.starth1.options[document.form.starth1.selectedIndex].value==document.form.stoph1.options[document.form.stoph1.selectedIndex].value){
if (str2Tal(document.form.startm1.options[document.form.startm1.selectedIndex].value,0)!=59){
setOptions(document.form.stopm1,str2Tal(document.form.startm1.options[document.form.startm1.selectedIndex].value,0)+1,59);
} else {
setOptions(document.form.stopm1,0,59);
if (document.form.stoph1.selectedIndex!=document.form.stoph1.options.length-1){
document.form.stoph1.selectedIndex = document.form.stoph1.selectedIndex+1;
} else {
document.form.stoph1.selectedIndex = 0;
}
}
} else {
setOptions(document.form.stopm1,0,59);
}
}
function startTime2Sat(tal){
tal = str2Tal(tal,59);
if (document.form.starth2.options[document.form.starth2.selectedIndex].value==document.form.stoph2.options[document.form.stoph2.selectedIndex].value){
if(str2Tal(document.form.stopm2.options[document.form.stopm2.selectedIndex].value,59)==0){
setOptions(document.form.startm2,0,59);
document.form.starth2.selectedIndex = document.form.starth2.selectedIndex-1;
} else {
setOptions(document.form.startm2,0,str2Tal(document.form.stopm2.options[document.form.stopm2.selectedIndex].value,59)-1);
}
} else {
setOptions(document.form.startm2,0,59);
}
}
function slutTime2Sat(tal){
tal = str2Tal(tal,23);
setOptions(document.form.starth2,0,tal);
}
function slutMinutSat(tal){
if (document.form.starth2.options[document.form.starth2.selectedIndex].value==document.form.stoph2.options[document.form.stoph2.selectedIndex].value){
tal = str2Tal(tal,59);
if (tal==0){
setOptions(document.form.startm2,0,59);
document.form.starth2.selectedIndex = document.form.starth2.selectedIndex-1;
} else {
setOptions(document.form.startm2,0,tal-1);
}
}
// burde også checke for minut 00 hvilket burde medføre start time-- start minuter 00-59
}
</script>
</head>
<body>
<form name="form" method="post" action="">
<p> </p>
<table border="0" cellspacing="1" cellpadding="2">
<tr>
<td><select name="starth1" id="select8" onchange="startTimeSat(this.options[this.selectedIndex].value); return true;">
<option selected>Start time</option>
<option value="00">00</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
</select></td>
<td><select name="startm1" id="select9" onchange="startMinutSat(this.options[this.selectedIndex].value); return true;">
<option selected>Start minut</option>
<option value="00">00</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
<option value="32">32</option>
<option value="33">33</option>
<option value="34">34</option>
<option value="35">35</option>
<option value="36">36</option>
<option value="37">37</option>
<option value="38">38</option>
<option value="39">39</option>
<option value="40">40</option>
<option value="41">41</option>
<option value="42">42</option>
<option value="43">43</option>
<option value="44">44</option>
<option value="45">45</option>
<option value="46">46</option>
<option value="47">47</option>
<option value="48">48</option>
<option value="49">49</option>
<option value="50">50</option>
<option value="51">51</option>
<option value="52">52</option>
<option value="53">53</option>
<option value="54">54</option>
<option value="55">55</option>
<option value="56">56</option>
<option value="57">57</option>
<option value="58">58</option>
<option value="59">59</option>
</select></td>
<td>--></td>
<td><select name="stoph1" id="select10" onchange="slutTimeSat(this.options[this.selectedIndex].value); return true;">
<option selected>Stop time</option>
<option value="00">00</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
</select></td>
<td><select name="stopm1" id="select11">
<option selected>Stop minut</option>
<option value="00">00</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
<option value="32">32</option>
<option value="33">33</option>
<option value="34">34</option>
<option value="35">35</option>
<option value="36">36</option>
<option value="37">37</option>
<option value="38">38</option>
<option value="39">39</option>
<option value="40">40</option>
<option value="41">41</option>
<option value="42">42</option>
<option value="43">43</option>
<option value="44">44</option>
<option value="45">45</option>
<option value="46">46</option>
<option value="47">47</option>
<option value="48">48</option>
<option value="49">49</option>
<option value="50">50</option>
<option value="51">51</option>
<option value="52">52</option>
<option value="53">53</option>
<option value="54">54</option>
<option value="55">55</option>
<option value="56">56</option>
<option value="57">57</option>
<option value="58">58</option>
<option value="59">59</option>
</select></td>
</tr>
<tr>
<td><select name="starth2" id="select12" onchange="startTime2Sat(this.options[this.selectedIndex].value); return true;">
<option selected>Start time</option>
<option value="00">00</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
</select></td>
<td><select name="startm2" id="select13">
<option selected>Start minut</option>
<option value="00">00</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
<option value="32">32</option>
<option value="33">33</option>
<option value="34">34</option>
<option value="35">35</option>
<option value="36">36</option>
<option value="37">37</option>
<option value="38">38</option>
<option value="39">39</option>
<option value="40">40</option>
<option value="41">41</option>
<option value="42">42</option>
<option value="43">43</option>
<option value="44">44</option>
<option value="45">45</option>
<option value="46">46</option>
<option value="47">47</option>
<option value="48">48</option>
<option value="49">49</option>
<option value="50">50</option>
<option value="51">51</option>
<option value="52">52</option>
<option value="53">53</option>
<option value="54">54</option>
<option value="55">55</option>
<option value="56">56</option>
<option value="57">57</option>
<option value="58">58</option>
<option value="59">59</option>
</select></td>
<td>--></td>
<td><select name="stoph2" id="select14" onchange="slutTime2Sat(this.options[this.selectedIndex].value); return true;">
<option selected>Stop time</option>
<option value="00">00</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
</select></td>
<td><select name="stopm2" id="select15" onchange="slutMinutSat(this.options[this.selectedIndex].value); return true;">
<option selected>Stop minut</option>
<option value="00">00</option>
<option value="01">01</option>
<option value="02">02</option>
<option value="03">03</option>
<option value="04">04</option>
<option value="05">05</option>
<option value="06">06</option>
<option value="07">07</option>
<option value="08">08</option>
<option value="09">09</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
<option value="32">32</option>
<option value="33">33</option>
<option value="34">34</option>
<option value="35">35</option>
<option value="36">36</option>
<option value="37">37</option>
<option value="38">38</option>
<option value="39">39</option>
<option value="40">40</option>
<option value="41">41</option>
<option value="42">42</option>
<option value="43">43</option>
<option value="44">44</option>
<option value="45">45</option>
<option value="46">46</option>
<option value="47">47</option>
<option value="48">48</option>
<option value="49">49</option>
<option value="50">50</option>
<option value="51">51</option>
<option value="52">52</option>
<option value="53">53</option>
<option value="54">54</option>
<option value="55">55</option>
<option value="56">56</option>
<option value="57">57</option>
<option value="58">58</option>
<option value="59">59</option>
</select></td>
</tr>
</table>
</form>
</body>
</html>
---8<----------
... håber at du kan bruge det!
(-:H@zze