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  1. #1
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    textarea bg fading

    I have this script I slapped together, even though I do not know any javascript I used basic mind logic to figure out how to modify a text fading script to work on tables. Now I have it basicly fitted out that it will fade the background of anything that has 'class=fade' in it's tag. Well I was testing and found out I could fade the background of textarea, cool, so when I tried to empliement it in a text are that was also in a form tage I got the following error from I.E. 6 :

    Code:
    'ms__id281'  is undefined
    I would like to emplement this script correctly to fade the bg of my textareas but I get that error. Please help.

    Thanks in advance!

  • #2
    Supreme Master coder! glenngv's Avatar
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    we won't be of any help if we can't see the code

  • #3
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    ooook, sorry.


    Code:
    <SCRIPT LANGUAGE="JavaScript">/************* 
    **** <config> 
    **/ 
    startColor = "#ffffff"; // MouseOut link color 
    endColor = "#80AFE5"; // MouseOver link color 
    
    stepIn = 40; // delay when fading in 
    stepOut = 40; // delay when fading out 
    
    /* 
    ** set to true or false; true will 
    ** cause all links to fade automatically 
    ***/ 
    autoFade = false; 
    /* 
    ** set to true or false; true will cause all CSS 
    ** classes with "fade" in them to fade onmouseover 
    ***/ 
    sloppyClass = true; 
    /** 
    **** </config> 
    **************/ 
    /************* 
    **** <install> 
    ** 
    ** 
    **** </install> 
    **************/ 
    
    hexa = new makearray(16); 
    for(var i = 0; i < 10; i++) 
    hexa[i] = i; 
    hexa[10]="a"; hexa[11]="b"; hexa[12]="c"; 
    hexa[13]="d"; hexa[14]="e"; hexa[15]="f"; 
    
    document.onmouseover = domouseover; 
    document.onmouseout = domouseout; 
    
    startColor = dehexize(startColor.toLowerCase()); 
    endColor = dehexize(endColor.toLowerCase()); 
    
    var fadeId = new Array(); 
    
    function dehexize(Color){ 
    var colorArr = new makearray(3); 
    for (i=1; i<7; i++){ 
    for (j=0; j<16; j++){ 
    if (Color.charAt(i) == hexa[j]){ 
    if (i%2 !=0) 
    colorArr[Math.floor((i-1)/2)]=eval(j)*16; 
    else 
    colorArr[Math.floor((i-1)/2)]+=eval(j); 
    } 
    } 
    } 
    return colorArr; 
    }
    
    function domouseover() { 
    if(document.all){ 
    var srcElement = event.srcElement; 
    if ((srcElement.tagName == "TD" && autoFade) || srcElement.className == "fade" || (sloppyClass && srcElement.className.indexOf("fade") != -1)) 
    fade(startColor,endColor,srcElement.uniqueID,stepIn); 
    } 
    } 
    
    function domouseout() { 
    if (document.all){ 
    var srcElement = event.srcElement; 
    if ((srcElement.tagName == "TD" && autoFade) || srcElement.className == "fade" || (sloppyClass && srcElement.className.indexOf("fade") != -1)) 
    fade(endColor,startColor,srcElement.uniqueID,stepOut); 
    } 
    } 
    
    function makearray(n) { 
    this.length = n; 
    for(var i = 1; i <= n; i++) 
    this[i] = 0; 
    return this; 
    } 
    
    function hex(i) { 
    if (i < 0) 
    return "00"; 
    else if (i > 255) 
    return "ff"; 
    else 
    return "" + hexa[Math.floor(i/16)] + hexa[i%16];} 
    
    function setColor(r, g, b, element) { 
    var hr = hex(r); var hg = hex(g); var hb = hex(b); 
    element.style.backgroundColor = "#"+hr+hg+hb; 
    } 
    
    function fade(s,e, element,step){ 
    var sr = s[0]; var sg = s[1]; var sb = s[2]; 
    var er = e[0]; var eg = e[1]; var eb = e[2]; 
    
    if (fadeId[0] != null && fade[0] != element){ 
    setColor(sr,sg,sb,eval(fadeId[0])); 
    var i = 1; 
    while(i < fadeId.length){ 
    clearTimeout(fadeId[i]); 
    i++; 
    } 
    } 
    
    for(var i = 0; i <= step; i++) { 
    fadeId[i+1] = setTimeout("setColor(Math.floor(" +sr+ " *(( " +step+ " - " +i+ " )/ " +step+ " ) + " +er+ " * (" +i+ "/" + 
    step+ ")),Math.floor(" +sg+ " * (( " +step+ " - " +i+ " )/ " +step+ " ) + " +eg+ " * (" +i+ "/" +step+ 
    ")),Math.floor(" +sb+ " * ((" +step+ "-" +i+ ")/" +step+ ") + " +eb+ " * (" +i+ "/" +step+ ")),"+element+");",i*step); 
    } 
    fadeId[0] = element; 
    }</SCRIPT>

  • #4
    Supreme Master coder! glenngv's Avatar
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    could you also include the html code of the textarea that calls those functions.

  • #5
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    yeah sure:

    Code:
    <center>
          <form name="form1" method="post" action="">
            <textarea class="fade" name="textfield" cols="35" rows="10"></textarea>
          </form>
        </center>
      </body>
    </html>


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