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Thread: Textarea background color change

  1. #1
    Join Date
    Feb 2009
    Posts
    4

    Textarea background color change

    I have a form that I have put together which needs the text area results to have either a font color change or a background color change based on the click of a radio button. I need to have 4 different color changes. Here is my current coding.
    Thanks in advance,
    SiteShrine
    Code:
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Untitled Document</title>
    <script type="text/javascript">
    function check(winddirection)
      {
      document.getElementById("forecast").value=winddirection;
      }
    
    
    
    </script></head>
    
    <body><table width="600" align="center" cellpadding="0" cellspacing="0"><form name="cloud" action="javascript:process()">
    <tr><td align="center" valign="top" width="100" class="border">Cloud Type</td>
    <td width="100" align="center" valign="top" class="border">Sky Height</td>
    <td width="400" align="center" valign="top" colspan="4" class="border">Wind Direction</td></tr>
    <tr><td class="border" colspan="2">&nbsp;</td>
    
    <td width="100" align="center" valign="top" class="border">NW <br />(Northwest)</td>
    <td width="100" align="center" valign="top" class="border">SW <br />(Southwest)</td>
    <td width="100" align="center" valign="top" class="border">SE<br />(Southeast)</td>
    <td width="100" align="center" valign="top" class="border">NE<br />(Northeast)</td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Cirrus</td>
    <td width="100" align="center" valign="top" class="border">High</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (0-24)" onclick="check(this.value);forcastColor(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (0-24)" onclick="check(this.value);" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-12)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-12)" onclick="check(this.value)" /></td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Cirrostratus</td>
    <td width="100" align="center" valign="top" class="border">High</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (0-24)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (0-24)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-12)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-12)" onclick="check(this.value)" /></td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Cirrocumulus</td>
    <td width="100" align="center" valign="top" class="border">High</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-48)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-48)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Excellent (0-8)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Excellent (0-8)" onclick="check(this.value)" /></td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Altostratus</td>
    <td width="100" align="center" valign="top" class="border">Med</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Excellent (0-12)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Excellent (0-12)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (0-8)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (0-8)" onclick="check(this.value)" /></td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Altocumulus</td>
    <td width="100" align="center" valign="top" class="border">Med</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-24)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-24)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Fair (0-24)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Fair (0-24)" onclick="check(this.value)" /></td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Stratus</td>
    <td width="100" align="center" valign="top" class="border">Low</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Excellent (0-12)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Excellent (0-12)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Fair (0-8)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Fair (0-8)" onclick="check(this.value)" /></td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Nimbo Stratus</td>
    <td width="100" align="center" valign="top" class="border">Low</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (24-48)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (24-48)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-24)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-24)" onclick="check(this.value)" /></td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Stratocumulus</td>
    <td width="100" align="center" valign="top" class="border">Low</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (0-8)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (0-8)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (0-8)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Fair (0-8)" onclick="check(this.value)" /></td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Cumulus</td>
    <td width="100" align="center" valign="top" class="border">Low</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-48)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-48)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Fair (0-48)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Fair (0-48)" onclick="check(this.value)" /></td></tr>
    <tr><td width="100" align="center" valign="top" class="border">Cumulonimbus</td>
    <td width="100" align="center" valign="top" class="border">Low</td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Excellent (18-36)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Excellent (18-36)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Good (18-36)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Fair (18-36)" onclick="check(this.value)" /></td></tr>
    <tr> <td colspan="6" align="center" valign="top" height="5"></td></tr></form>
    <tr> <td colspan="6" align="center" valign="top"><input type="text" name="forecast" id="forecast" /><br />
    Forecast</td>
    </tr></table>
    </body>
    </html>
    Last edited by SiteShrine; 02-22-2009 at 10:57 PM.

  2. #2
    Join Date
    Dec 2005
    Location
    TX
    Posts
    7,946

    Question More information required ...

    Questions:

    1. Where is the <textarea> you wish to color change (or is it just the 'text' box)?
    2. What are the colors you wish to change to and under what radio button conditions?

    BTW: As an un-informed user, it might be nice to know what each cloud type looks like.
    Possibly display small image of clouds when selected?

  3. #3
    Join Date
    Feb 2009
    Posts
    4
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Untitled Document</title>
    <script type="text/javascript">
    function check(winddirection)
    {
    document.getElementById("forecast").value=winddirection;
    }



    </script></head>

    <form name="cloud" action="javascriptrocess()">
    <input type="radio" name="winddirection" value="Good (0-24)" onclick="check(this.value);" /></td>

    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Very Good (0-12)" onclick="check(this.value)" /></td>
    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Excellent (18-36)" onclick="check(this.value)" /></td>


    <td width="100" align="center" valign="top" class="border"><input type="radio" name="winddirection" value="Fair (18-36)" onclick="check(this.value)" /></td></tr>
    <tr> <td colspan="6" align="center" valign="top" height="5"></td></tr></form>
    RESULT<input type="text" name="forecast" id="forecast" /><br />
    Forecast</td>
    </tr></table>

    </body>
    </html>

    I NEED THE ON CLICK RESULT TO BE A DIFFERENT COLOR FOR EACH FOR A TOTAL OF 4 DIFFERENT COLORS
    The blue text is where the text results will display.

  4. #4
    Join Date
    Dec 2005
    Location
    TX
    Posts
    7,946

    Thumbs up

    Try this ...
    Code:
    function check(winddirection)  {
      document.getElementById("forecast").value=winddirection;
      var cloud_color = 'white';
      if (winddirection.indexOf('Excellent') == 0) { cloud_color = 'yellow'; }
      if (winddirection.indexOf('Very Good') == 0) { cloud_color = 'green'; }
      if (winddirection.indexOf('Good') == 0) { cloud_color = 'lightblue'; }
      if (winddirection.indexOf('Fair') == 0) { cloud_color = 'orange'; }
      document.getElementById('forecast').style.backgroundColor = cloud_color;
    }
    Change colors as needed ... could also be #rrggbb settings.

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