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//misc objects
//a simple encapsulation object
//used to query widths and heights
function cDomObject( sId )
{
if( bw.dom || bw.ie )
{
this.hElement = document.getElementById( sId )
this.hStyle = this.hElement.style
}
}
cDomObject.prototype.getWidth = function( )
{
return cDomObject.getWidth( this.hElement )
}
cDomObject.getWidth = function( hElement )
{
if( hElement.currentStyle )
{
var nWidth = parseInt( hElement.currentStyle.width )
if( isNaN( nWidth ) )
{
return parseInt( hElement.offsetWidth )
}
else
{
return nWidth
}
}
else
{
return parseInt( hElement.offsetWidth )
}
}
cDomObject.prototype.getHeight = function( )
{
return cDomObject.getHeight( this.hElement )
}
cDomObject.getHeight = function( hElement )
{
if( hElement.currentStyle )
{
var nHeight = parseInt( hElement.currentStyle.height )
if( isNaN( nHeight ) )
{
return parseInt( hElement.offsetHeight )
}
else
{
return nHeight
}
}
else
{
return parseInt( hElement.offsetHeight )
}
}
cDomObject.prototype.getLeft = function()
{
return cDomObject.getLeft( this.hElement )
}
cDomObject.getLeft = function( hElement )
{
return parseInt( hElement.offsetLeft )
}
cDomObject.prototype.getTop = function( )
{
return cDomObject.getTop( this.hElement )
}
cDomObject.getTop = function( hElement )
{
return parseInt( hElement.offsetTop )
}
// used to get the absolute position of an relativeli position element
// by accumulating the offset parameters
// example
// cDomObject.getOffsetParam( hElement,'offsetLeft' )
cDomObject.getOffsetParam = function( hElement, sParam, hLimitParent )
{
var nRes = 0
if( hLimitParent == null )
{
hLimitParent = document.body.parentElement
}
while( hElement != hLimitParent )
{
nRes += eval( 'hElement.' + sParam )
if( !hElement.offsetParent ) { break }
hElement = hElement.offsetParent
}
return nRes
}
// used to get the absolute position of an relativeli position element
// by accumulating the scroll offset parameters
// example
// cDomObject.getScrollOffset( hElement,'Left' )
cDomObject.getScrollOffset = function( hElement, sParam, hLimitParent )
{
nRes = 0
if( hLimitParent == null )
{
hLimitParent = document.body.parentElement
}
while( hElement != hLimitParent )
{
nRes += eval( 'hElement.scroll' + sParam )
if( !hElement.offsetParent ) { break }
hElement = hElement.parentNode
}
return nRes
}
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