JavaScript Setting FieldSet Expand and Contract

JavaScript method code:

Copy the codeThe code is as follows:

// Set the FieldSet height method, support IE browser and Firefox
// Parameter 1: pTableID, FieldSet internal div or table id
// Parameter 2: pFieldSetID, FieldSet ID
// Parameter 3: pImageID, image ID, image SRC updated after expansion or shrink
function FieldSetVisual( pTableID, pFieldSetID, pImageID ) 
{ 
var objTable = ( pTableID ) ; 
var objFieldSet = ( pFieldSetID) ; 
var objImage = ( pImageID) ; 
if(  == 'visible' ) 
{ 
 = 'hidden' ; 
 = "22px" ; 
="images/" ; 
} 
else 
{ 
 = 'visible'; 
var heightFieldSet = parseInt( (0,-2)) ; 
var heightTable = parseInt(  ) ; 
 = heightFieldSet + heightTable + "px" ; 
="images/" ; 
} 
}

FieldSet code in HTML:

Copy the codeThe code is as follows:

<fieldset > 
<legend> 
<img alt="Expand or shrink" src="images/" src="images/" onclick="FieldSetVisual('t_ShipInportInfo','fset_ShipInportInfo','img_ShipInportInfo')" />Car and ship arrival record<span style="color: Red;" style="color: Red;"> (Input/Not entered)</span></legend>
<table width="100%" border="0" cellpadding="0" cellspacing="0"  
style="visibility: visible;" style="visibility: visible;"> 
<tr> 
<td> 
Car and ship name: <span style="font-weight: bold;" style="font-weight: bold;">Car and other 50 sections</span>
</td> 
<td> 
Arrival time: May 9, 2009 at 17:00
</td> 
<td> 
How to get coal: <span style="font-weight: bold;" style="font-weight: bold;">Railway</span>
</td> 
<td> 
Source of coal: <span style="font-weight: bold;" style="font-weight: bold;">Huainan</span>
</td> 
</tr> 
</tr> 
</table> 
</fieldset>