Question

Building a tab menu in Javascript

Asked by: AntoniRyszard

Hello

I wondered if anyone could advise?

I have a classical asp/javascipt page which displays a table of 31 tab buttons.

The code below builds up the tabs display and the changeDiv tell us which tab the user clicked.

I am trying to build the solution, when the user clicks a tab, an iframe on the page loads a .asp script call Check_Report.asp and passes the asp page the value passed to the changeDiv function (divId).

I was hoping using an iframe the page would not need to reload when the user clicks each tab. Just reload the page in the iframe.

I wondered how I could build a iframe in the html, and tell the iframe in the changeDiv function to load the Check_Report.asp?ID=divId?

Is there any other way? Could I get the iframe to reload Check_Report.asp after each tab is clicked?

Any code would be much appreciated.

Thank you

<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<%Dim counter
counter = 1
 
//Builds up the 31 tabs					
for counter = 1 to 31 %>
<td id="TabCentre-<%=counter %>" onClick="javascript:changeDiv('<%=counter%>')" class="Tab" background="images/TabOverCentre.gif" width="150"><%=counter %></td>	
<%next%>
 
  <div id="Tab" class="divPanel" style="height:300;overflow:auto">
   //iframe?
  </div>
            
<script language="javascript1.2" type="text/javascript">
document.getElementById("Tab").style.visibility = "visible";
 
currentDiv = 1;
var iSelectedID = -1;
document.getElementById("txtCurrentDiv").value = currentDiv;
 
function changeDiv(divId)
{
/*	Hide divs	*/
for (iCnt = 1; iCnt <=31; iCnt++)
{
<!--document.getElementById("Tab" + iCnt).style.visibility = "hidden";-->
document.getElementById("TabCentre-" + iCnt).background = "Images/TabCentre.gif";
}
	
/*	Show Tab */
<!--document.getElementById("Tab" + divId).style.visibility = "visible";-->
document.getElementById("TabCentre-" + divId).background = "Images/TabOverCentre.gif";
	
currentDiv = divId;
document.getElementById("txtCurrentDiv").value = currentDiv;
}
                                  
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Asked On
2009-10-06 at 14:29:30ID24790591
Topic

JavaScript

Participating Experts
1
Points
125
Comments
1

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Answers

 

by: pravinasarPosted on 2009-10-07 at 06:09:52ID: 25514891

Preloading all pages and managing visibility (hide/show), is not a good idea in many cases.

Please look at this one, if this works for you.

Following solution does not require javascript  to show/hide any iframe/pages. 

<html>
   <head>
      <title>Tab Menu - Pravin Asar</title>
      <style type="text/css">   
        	div.tabArea {
        	font-size: 120%;
  			font-weight: bold;
  			font-family: century gothic, verdana;
  			padding: 0px 0px 3px 0px;
			}
 
			a.tab {
  				color: #000000;
  				background-color: #4499dd;
  				border: 2px solid #000000;
  				border-bottom-width: 0px;
  				border-color: #f0d0ff #b090e0 #b090e0 #f0d0ff;
  				-moz-border-radius: .75em .75em 0em 0em;
  				border-radius-topleft: .75em;
  				border-radius-topright: .75em;
  				padding: 2px 1em 2px 1em;
  				position: relative;
  				text-decoration: none;
  				top: 3px;
  				z-index: 100;
  				width: 100px;
			}
			iframe.tabContent {
  				background-color: #0319B5;
  				border: 1px solid #000000;
  				border-color: #7050a0 #b090e0 #b090e0 #7050a0;
  				width: 100%;
  				height: 80%;
			}
      </style>
   </head>
<body>
<div class='tabArea'>
<a class='tab' href='http://www.yahoo.com' target='tabIframe2'>Yahoo</a>
<a class='tab' href='http://www.microsoft.com' target='tabIframe2'>Microsoft</a>
<a class='tab' href='http://www.sun.com' target='tabIframe2'>Sun</a>
<a class='tab' href='http://www.google.com' target='tabIframe2'>Google</a>
</div>
<div class='tabMain'>
<div class='tabIframeWrapper'>
<iframe class='tabContent' name='tabIframe2' src='http://www.yahoo.com' marginheight='8' marginwidth='8' frameborder='0'></iframe>
</div>
</div>
</div>
</body>
</html>
                                              
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