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document.getEle mentbyID('TICKE R') has no properties

8 New Member

My website (http://www.justiceinmexico.org/indextest.php) looks good in Firefox, but horrible in IE, and I think it's because of an error in the javascript of a free web ticker I got off the internet.

When I run Firebug on it, it says:

document.getEle mentById("TICKE R") has no properties
TICKER_CONTENT = document.getEle mentById("TICKE R").innerHTM L;
Here is the complete script:
Expand|Select|Wrap|Line Numbers
  1. // WebTicker by Mioplanet
  2. 3// www.mioplanet.com
  3. 4
  4. 5TICKER_CONTENT = document.getElementById("TICKER").innerHTML;
  5. 6
  7. 8TICKER_SPEED = 1;
  8. 9TICKER_STYLE = "font-family:Arial; font-size:12px; color:#444444";
  9. 10TICKER_PAUSED = false;
  10. 11
  11. 12ticker_start();
  12. 13
  13. 14function ticker_start() {
  14. 15 var tickerSupported = false;
  15. 16 TICKER_WIDTH = document.getElementById("TICKER").style.width;
  16. 17 var img = "<img src=ticker_space.gif width="+TICKER_WIDTH+" height=0>";
  17. 18
  18. 19 // Firefox
  19. 20 if (navigator.userAgent.indexOf("Firefox")!=-1 || navigator.userAgent.indexOf("Safari")!=-1) {
  20. 21 document.getElementById("TICKER").innerHTML = "<TABLE cellspacing='0' cellpadding='0' width='100%'><TR><TD nowrap='nowrap'>"+img+"<SPAN style='"+TICKER_STYLE+"' ID='TICKER_BODY' width='100%'>&nbsp;</SPAN>"+img+"</TD></TR></TABLE>";
  21. 22 tickerSupported = true;
  22. 23 }
  23. 24 // IE
  24. 25 if (navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1) {
  25. 26 document.getElementById("TICKER").innerHTML = "<DIV nowrap='nowrap' style='width:100%;'>"+img+"<SPAN style='"+TICKER_STYLE+"' ID='TICKER_BODY' width='100%'></SPAN>"+img+"</DIV>";
  26. 27 tickerSupported = true;
  27. 28 }
  28. 29 if(!tickerSupported) document.getElementById("TICKER").outerHTML = ""; else {
  29. 30 document.getElementById("TICKER").scrollLeft = TICKER_RIGHTTOLEFT ? document.getElementById("TICKER").scrollWidth - document.getElementById("TICKER").offsetWidth : 0;
  30. 31 document.getElementById("TICKER_BODY").innerHTML = TICKER_CONTENT;
  31. 32 document.getElementById("TICKER").style.display="block";
  32. 33 TICKER_tick();
  33. 34 }
  34. 35}
  35. 36
  36. 37function TICKER_tick() {
  37. 38 if(!TICKER_PAUSED) document.getElementById("TICKER").scrollLeft += TICKER_SPEED * (TICKER_RIGHTTOLEFT ? -1 : 1);
  38. 39 if(TICKER_RIGHTTOLEFT && document.getElementById("TICKER").scrollLeft <= 0) document.getElementById("TICKER").scrollLeft = document.getElementById("TICKER").scrollWidth - document.getElementById("TICKER").offsetWidth;
  39. 40 if(!TICKER_RIGHTTOLEFT && document.getElementById("TICKER").scrollLeft >= document.getElementById("TICKER").scrollWidth - document.getElementById("TICKER").offsetWidth) document.getElementById("TICKER").scrollLeft = 0;
  40. 41 window.setTimeout("TICKER_tick()", 30);
  41. 42}
  42. 43
Aug 20 '07 #1
13 4920
5,821 Recognized Expert Expert
Heya, Rommel. Welcome to TSDN!

Please use CODE tags when posting source code. See the REPLY GUIDELINES on the right side of the page next time you post.

Does the TICKER element exist at the time that the browser evaluates this JavaScript?
Aug 20 '07 #2
8 New Member
Heya, Rommel. Welcome to TSDN!

Please use CODE tags when posting source code. See the REPLY GUIDELINES on the right side of the page next time you post.

Does the TICKER element exist at the time that the browser evaluates this JavaScript?
Sorry about that. I apologize for not using the code tags. I read the forum guidelines, but I didn't read the Reply guidelines. I can see them now.

I don't know. I'm a noobie at this. I just copy pasted the free javascript ticker to my website and it messed it up on IE, but not on Firefox.

How can I check if the TICKER element exists at the time that the browser evaluates it?

I think the answer is no, because Firebug doesn't detect an error immediately, it takes about 2 minutes to come up with the error. Sorry for sounding completely clueless, but I am.

By the way, I used the search bar first and it seems that many people hve this problem. However, since I don't know js I can't fix it.
Aug 20 '07 #3
5,390 Recognized Expert Moderator Expert
hi ...

there has to be a html-element with the id="TICKER" at your page ... assure that, may be you should refer to the page from where you copied the script.

when do you call the script ... during the load-time of the page or in the body onload event? you should always use the onload-event of the body since the dom of your page is ready to use at this time.

kind regards
Aug 20 '07 #4
8 New Member
It's inside the body of the html inside a table. Here is the html:

Expand|Select|Wrap|Line Numbers
  1.  <table border="0" width="266">
  2.         <tr>
  3.         <td width="5%"><p><script type="text/javascript" src="webticker_lib.js" language="javascript"></script>
  4.         </p>
  8.         <!-- TICKER IS HERE -->
  9.         <DIV ID="TICKER" STYLE="display:none; border-top:1px solid #CCCCCC; border-bottom:1px solid #CCCCCC; overflow:hidden; background-color:#FFFFFF; width:250px" onmouseover="TICKER_PAUSED=true" onmouseout="TICKER_PAUSED=false">
  13.         <span style='background-color:#0088FF;'> &nbsp; &nbsp; <B><font color=#ffffff> News and Announcements:</font></a></B>&nbsp; &nbsp; </span>
  14.         <span style='background-color:#006633;'> &nbsp; &nbsp; 
  15.             <B><A href="/news/recent_news.php"><font color=#ffffff> Read our Latest News Report: July 2007</font></a></B>&nbsp; &nbsp; </span>
  16.         <span style='background-color:#CCCCCC;'> &nbsp; &nbsp; 
  17.             <B><A href="/events/seguridad_publica_y_reforma_penal_en_mexico.php"><font color=#ffffff> Recent Event: Seguridad Publica y Reforma Penal en Mexico</font></a></B>&nbsp; &nbsp; </span>
  18.         <span style='background-color:#CC0000;'> &nbsp; &nbsp; 
  19.             <B><A href="/events/binational_forum_on_alternative_criminal_justice.php"><font color=#ffffff> Recent Event: Binational Forum on Alternative Criminal Justice</font></a></B>&nbsp; &nbsp; </span>&nbsp; 
  20.         <span style='background-color:#0088FF;'> &nbsp; &nbsp; 
  21.             <B><A href="http://www.justiceinmexico.org/search/index.php"><font color=#ffffff> Search</font></a></B>&nbsp; &nbsp; </span>
  22.         <span style='background-color:#006633;'> &nbsp; &nbsp; 
  23.             <B><A href="http://www.justiceinmexico.org/contact/index.php"><font color=#ffffff> Contact us/Subscribe</font></a></B>&nbsp; &nbsp; </span>
  24.         <span style='background-color:#CCCCCC;'> &nbsp; &nbsp; 
  25.             <B><A href="http://www.sandiego.edu/tbi/"><font color=#ffffff> USD: Trans-Border Institute</font></a></B>&nbsp; &nbsp; </span>        <span style='background-color:#FFFFFF;'> &nbsp; &nbsp;
  26.         <B><A href="http://www.mioplanet.com/rsc/newsticker_javascript.htm" target="Mio">Scrolling News Ticker</A>
  27. by <a href="http://www.mioplanet.com">Mioplanet</a></B>&nbsp;&nbsp;    </DIV>
  29.     <script type="text/javascript" src="webticker_lib.js" language="javascript"></script>        </td>
  30.     </tr>
  31.     </table>    </td>
  32.   </tr>
  33. </table> 
Thank you for your help. It is much appreciated. I've been trying to fix this for weeks.

Note: for some reason, my post suddenly put all tags in bold.
Aug 20 '07 #5
8 New Member
Help would be appreciated.
Aug 21 '07 #6
5,821 Recognized Expert Expert
Heya, Rommel.

Try this. Remove this line (I think it's line 12 or so):
Expand|Select|Wrap|Line Numbers
  1. ticker_start();
And then change your HTML slightly:
Expand|Select|Wrap|Line Numbers
  1. <body onload="ticker_start();">
Aug 21 '07 #7
8 New Member
Heya, Rommel.

Try this. Remove this line (I think it's line 12 or so):
Expand|Select|Wrap|Line Numbers
  1. ticker_start();
And then change your HTML slightly:
Expand|Select|Wrap|Line Numbers
  1. <body onload="ticker_start();">
Thanks, but where should I put the HTML code?
Aug 22 '07 #8
5,821 Recognized Expert Expert
Heya, Rommel.

Replace the body declaration ('<body>') in your code with the new code. There is always only one body tag per HTML file.
Aug 22 '07 #9
8 New Member
Heya, Rommel.

Replace the body declaration ('<body>') in your code with the new code. There is always only one body tag per HTML file.
Oh. Duh.

I already load the common images there and it's a relatively large list under the parenthesis. I put a comma and added the code you gave me, but it still shows up wrong.

Actually, Firebug stopped detecting an error, but IE says there is an error in loading an object in line 6 Char 1. I went to line 6, but those are only common pictures and they were working before.

In any case, the site still looks bad on IE but good on firefox.
Aug 23 '07 #10

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