asked on

class change on the fly

i have a menu using we can navigate using down key.
when its highlighted i want to change the orange background to the curve button style shown below (good style) without affecting the logic.

pl help.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
 <head>
<script type="text/javascript">
var selected = 1;
var selectedCol = 1;
function pressKey(e) {
      var key = (e.keyCode)? e.keyCode : e.which;
      var new = selected;
      var newCol = selectedCol;
 
      if (key == 38) {  
            //up
	    new = selected - 1;
      }
      else if (key == 40) {  
            //down
            new = selected + 1;
      }    
       
		if(document.getElementById("tr" + newCol+""+new) != null) {
		// Unhighlight old 
		if(document.getElementById("tr" + selectedCol+""+selected) != null) {
			document.getElementById("tr" + selectedCol+""+selected).className = "default";
		}
			document.getElementById("tr" + newCol+""+new).className = "highlight";
			selected = new;
	}
}
</script>
<style type="text/css">
 
 
.highlight {
      background-color: orange;
}
.default {
      background-color: #000;
}
 
td {
	color:white;
	font: 20px bold arial;
	border-bottom:1px solid #fff;
}
</style>
<style type="text/css">
	a.boldbuttons{
	background: transparent url('roundedge-blue-left.gif') no-repeat top left;
	display: block;
	float: left;
	font: bold 13px Arial; 
	line-height: 22px; 
	height: 30px; 
	padding-left: 8px; 
	text-decoration: none;
	width: 200px;
	}
	a.boldbuttons span{
	background: transparent url('roundedge-blue-right.gif') no-repeat top right;
	display: block;
	padding: 4px 10px 4px 2px; 
	color:#fff;
	}
	.buttonwrapper{ 
	overflow: hidden; 
	width: 200px;
}
 
</style>
 </head>
 <body onkeydown="pressKey(event);">
   <table width="200px" bgcolor="black" cellspacing="1" cellpadding="10">
		   <tr id="tr11" class="highlight">
			   <td>11</td>
		   </tr>
		   <tr id="tr12" class="default">
				<td>12</td>
		   </tr>
		   <tr id="tr13" class="default">
				<td>13</td>
		   </tr>
		   <tr id="tr14" class="default">
				<td>14</td>
		   </tr>
		   <tr id="tr15" class="default">
				<td>15</td>
			</tr>	  
   </table>	
   <br />
   <br />
 
<TABLE>
	<TR>
		<TD><div class="buttonwrapper">
				<a class="boldbuttons" href=""><span>good style </span></a>
			</div>
		</TD>
	</TR>
</TABLE>
 
</body>
</html>

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roundedge-blue-left.gif
roundedge-blue-right.gif

vidhubala

ASKER

pl use this code. the first one had a bug.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
 <head>
<script type="text/javascript">
var selectedRow = 1;
var selectedCol = 1;
function pressKey(e) {
      var key = (e.keyCode)? e.keyCode : e.which;
      var newRow = selectedRow;
      var newCol = selectedCol;
 
      if (key == 38) {  
            //up
	    newRow = selectedRow - 1;
      }
      else if (key == 40) {  
            //down
            newRow = selectedRow + 1;
      }    
       
		if(document.getElementById("tr" + newCol+""+newRow) != null) {
		// Unhighlight old row
		if(document.getElementById("tr" + selectedCol+""+selectedRow) != null) {
			document.getElementById("tr" + selectedCol+""+selectedRow).className = "rowdefault";
		}
			document.getElementById("tr" + newCol+""+newRow).className = "rowhighlight";
			selectedRow = newRow;
	}
}
</script>
<style type="text/css">
 
 
tr.rowhighlight {
      background-color: orange;
}
tr.rowdefault {
      background-color: #000;
}
 
td {
	color:white;
	font: 20px bold arial;
	border-bottom:1px solid #fff;
}
</style>
<style type="text/css">
	a.boldbuttons{
	background: transparent url('roundedge-blue-left.gif') no-repeat top left;
	display: block;
	float: left;
	font: bold 13px Arial; 
	line-height: 22px; 
	height: 30px; 
	padding-left: 8px; 
	text-decoration: none;
	width: 200px;
	}
	a.boldbuttons span{
	background: transparent url('roundedge-blue-right.gif') no-repeat top right;
	display: block;
	padding: 4px 10px 4px 2px; 
	color:#fff;
	}
	.buttonwrapper{ 
	overflow: hidden; 
	width: 200px;
}
 
</style>
 </head>
 <body onkeydown="pressKey(event);">
   <table width="200px" bgcolor="black" cellspacing="1" cellpadding="10">
		   <tr id="tr11" class="ROWHIGHLIGHT">
			   <td>11</td>
		   </tr>
		   <tr id="tr12" class="ROWDEFAULT">
				<td>12</td>
		   </tr>
		   <tr id="tr13" class="ROWDEFAULT">
				<td>13</td>
		   </tr>
		   <tr id="tr14" class="ROWDEFAULT">
				<td>14</td>
		   </tr>
		   <tr id="tr15" class="ROWDEFAULT">
				<td>15</td>
			</tr>	  
   </table>	
   <br />
   <br />
 
<TABLE>
	<TR>
		<TD><div class="buttonwrapper">
				<a class="boldbuttons" href=""><span>good style </span></a>
			</div>
		</TD>
	</TR>
</TABLE>
 
</body>
</html>

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ASKER CERTIFIED SOLUTION

hielo

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vidhubala

ASKER

hi heilo

image looks good. but the key the navigation is not happening, just like the other one i said. pl help.

thanks

vidhubala

ASKER

heilo,

it fails in i.e 6. firefox ok.
thanks.

vidhubala

ASKER

hi heilo

u changed the whole code. so may not help much and will affect other code in the same page. is it possible to just change the css?

SOLUTION

sh0e

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sh0e

Oh, and make sure hielo gets the points. He really went out of his way to write good code, even though he probably knew there was a chance the person he was writing it for may not even have wanted nor appreciated him rewriting it. He deserves it.

vidhubala

ASKER

thanks guys. is it possible to use my logic and get the same result. that will help me in a big way.