JavaScript sets FieldSet expansion and contraction_javascript skills

// Set the FieldSet height method, support IE browser, Firefox
// Parameter 1: pTableID, the id of the div or table inside the FieldSet
// Parameter 2: pFieldSetID, the ID of the FieldSet
// Parameter 3: pImageID , the ID of the picture, update the picture SRC after expanding or shrinking
function FieldSetVisual( pTableID, pFieldSetID, pImageID )
{
var objTable = document.getElementById( pTableID ) ;
var objFieldSet = document.getElementById ( pFieldSetID) ;
var objImage = document.getElementById( pImageID) ;
if( objTable.style.visibility == 'visible' )
{
objTable.style.visibility = 'hidden' ;
objFieldSet.style.height = "22px" ;
objImage.src="images/expand.png" ;
}
else
{
objTable.style.visibility = ' visible';
var heightFieldSet = parseInt( objFieldSet.style.height.substr(0,objFieldSet.style.height.length-2)) ;
var heightTable = parseInt( objTable.offsetHeight ) ;
objFieldSet .style.height = heightFieldSet heightTable "px" ;
objImage.src="images/constringency.png" ;
}
}

Travel and ship arrival record(Entered/Not entered)< /span>

style="visibility: visible; " style="visibility: visible;">

Vehicle and vessel name: A total of 50 cars and wagons

Arrival time of cars and ships: 17:00 on May 9, 2009 < ;/td>

How to get coal:Railway

Coal source: Huainan