Change <a href> class type once selected?

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May 6th, 2008, 08:04 PM

rxsid

Contributing User

Join Date: Aug 2002

Posts: 221

Time spent in forums: 1 Day 13 h 43 m 33 sec
Reputation Power: 6

Change <a href> class type once selected?

Hi all,

Here's the basics on what I'm trying to do.

I've got three tabs, with the first one selected on page load. It has a 'selected' class that has a certain background color and text color. If the user clicks on one of the other tabs, I would like for that newly selected tab to now take on the 'selected' class attributes while the other two non active or non selected tabs have another class attributes.
Here's some of what I've got:

css

Code:

.tabs a{
float: left;
display: block;
font: bold 11px Arial;
color: white;
text-decoration: none;
margin: 0 1px 0 0; /*Margin between each menu item*/
padding: 5px 10px;
background-color: black;
border-top: 1px solid white;
}


.tabs a.selected{ /*currently selected tab*/
background-color: #7D9EC0;
color: white;
border-color: #7D9EC0;
}
.tabs a:hover{
background-color: #e8eff6;
color: #000000;
}

html

Code:

<div id="tabs" class="theClass">
<ul>
<li><a href="#" rel="tab1" class="selected" "onClick="displayHPTabContent('t1')">Tab 1</a></li>
<li><a href="#" rel="tab2" onClick="displayHPTabContent('t2')">Tab 2</a></li>
<li><a href="#" rel="tab3" onClick="displayHPTabContent('t3')">Tab 3</a></li>
</ul>
</div>

the javascript:

Code:

function displayHPTabContent(the_sub) {

if (the_sub == "t2") {
	document.getElementById('tab2').style.display = "";
	document.getElementById('tab1').style.display = "none";
	document.getElementById('tab3').style.display = "none";
} else if (the_sub == "t3") {
	document.getElementById('tab2').style.display = "none";
	document.getElementById('tab1').style.display = "none";
	document.getElementById('tab3').style.display = "";

document.getElementById('tab2').style.backgroundColor="yellow"; // **This is the part I'm not getting **
alert (document.getElementById('flowertabs').attributes);

} else if (the_sub == "t1") {
    document.getElementById('tab2').style.display = "none";
    document.getElementById('tab1').style.display = "";
 	document.getElementById('tab3').style.display = "none";
}

}

some more 'content' html below the tabs:

Code:

<div id="tab1">
stuff
</div>
<div id="tab2">
stuff
</div>
<div id="tab3">
stuff
</div>

My question is, how do I reference the 'rel' for the clicked on <a href> so that I can turn it's class to selected and make sure the others are
of the non selected class? Or, is there some other way?

Thanks!

May 7th, 2008, 06:16 AM

PHP-Newb

Bad Coder

Join Date: Jul 2003

Posts: 1,592

Time spent in forums: 1 Week 3 Days 15 h 43 m
Reputation Power: 123

Ok, a quick example.

Javascript Code:

Original - Javascript Code

<script type="text/javascript">
  function init() {
    var Links = document.getElementsByTagName('a');
    for(var i=0; i<Links.length; i++) {
      if(Links[i].className == 'aSelected' || Links[i].className == 'aUnselected') {
        addEvent(Links[i], 'click', function(){displayHPTabContent(this.id)})
      }
    }
  }
 
  function addEvent(obj, type, fn) {
    if(obj.attachEvent) {
      obj['e'+type+fn] = fn;
      obj[type+fn] = function(){obj['e'+type+fn](window.event);}
      obj.attachEvent('on'+type, obj[type+fn]);
    }
    else obj.addEventListener(type, fn, false);
  }
 
  function displayHPTabContent(obj) {
    var allObjs = document.getElementsByTagName('*');
    for(var i=0; i<allObjs.length; i++) {
      if(allObjs[i].className == 'aSelected') allObjs[i].className = 'aUnselected';
      else if(allObjs[i].className == 'tabSelected') allObjs[i].className = 'tabUnselected';
    }
 
    document.getElementById(obj).className = 'aSelected';
    document.getElementById(obj+'t').className = 'tabSelected';
  }
 
  window.onload = init;
</script>

HTML4Strict Code:

Original - HTML4Strict Code
<a href="#" id="t1" class="aSelected">Tab 1</a> <a href="#" id="t2" class="aUnselected">Tab 2</a> <a href="#" id="t3" class="aUnselected">Tab 3</a> <div id="t1t" class="tabSelected">Tab1</div> <div id="t2t" class="tabUnselected">Tab2</div> <div id="t3t" class="tabUnselected">Tab3</div>

<a href="#" id="t1" class="aSelected">Tab 1</a>
<a href="#" id="t2" class="aUnselected">Tab 2</a>
<a href="#" id="t3" class="aUnselected">Tab 3</a>
 
<div id="t1t" class="tabSelected">Tab1</div>
<div id="t2t" class="tabUnselected">Tab2</div>
<div id="t3t" class="tabUnselected">Tab3</div>

Comments on this post

rxsid agrees: excellent example given. thanks.

lnxgeek agrees!

__________________
Under no circumstances click the

button, because it is pointless. Thanks!

May 7th, 2008, 03:29 PM

rxsid

Contributing User

Join Date: Aug 2002

Posts: 221

Time spent in forums: 1 Day 13 h 43 m 33 sec
Reputation Power: 6

excellent...thanks for the response and the suggestion PHP-Newb!

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