var win = null;
var useLayer = true;
var loadingImageUrl = "/art/arrows.gif";
var preload = new Image();
preload.src = loadingImageUrl;
function showImage( imgsrc, width, height, title )
{
if( useLayer && typeof( def_layer ) != "undefined" && getwindowwidth() > width && getwindowheight() > height )
{
showImageLayer2( imgsrc, width, height, title )
}
else
{
showImageWindow( imgsrc, width, height, title )
}
}
function showImageWindow( imgsrc, width, height, title )
{
if( win != null && !win.closed )
{
win.close();
}
win = window.open( "", "IMAGEPOP", "width=" + width + ",height=" + height );
win.document.open( "text/html" );
win.document.write( '' +
title +
'
' );
win.document.close();
return false;
}
function showImageLayer( imgsrc, width, height, title )
{
closeImageLayer();
var imageLayer = getElt( "imageLayer" );
if( imageLayer == null )
{
imageLayer = document.createElement( "div" );
imageLayer.id = "imageLayer";
imageLayer.style.position = "absolute";
imageLayer.style.display = "none";
imageLayer.style.overflow = "hidden";
imageLayer.style.border = "1px solid #000000";
imageLayer.style.background = "#000000 url('" + loadingImageUrl + "') no-repeat 50% 50%";
imageLayer.style.zIndex = "10";
document.body.appendChild( imageLayer );
}
imageLayer.innerHTML = '' +
title +
'
';
imageLayer.style.width = width + "px";
imageLayer.style.top = ( Math.max( 0, getwindowheight() - height ) / 4 + getpagescrolly() ) + "px";
imageLayer.style.left = ( Math.max( 0, 993 - width ) / 2 ) + "px"; // Changed to always centre in content
backLayer( imageLayer );
imageLayer.style.display = "";
}
function showImageLayer2( imgsrc, width, height, title )
{
closeImageLayer();
imgsrc = imgsrc + "?__cb=" + new Date().getTime(); // Safari onload trick
var imageLayer = getElt( "imageLayer" );
if( imageLayer == null )
{
imageLayer = document.createElement( "div" );
imageLayer.id = "imageLayer";
imageLayer.style.position = "absolute";
imageLayer.style.display = "none";
imageLayer.style.overflow = "hidden";
imageLayer.style.border = "1px solid #000000";
imageLayer.style.background = "#000000 url('" + loadingImageUrl + "') no-repeat 50% 50%";
imageLayer.style.zIndex = "10";
imageLayer.onclick = closeImageLayer;
document.body.appendChild( imageLayer );
imageLayer.innerHTML = '
' +
title +
'
';
imageLayer.style.width = "240px";
imageLayer.style.top = ( Math.max( 0, getwindowheight() - 240 ) / 4 + getpagescrolly() ) + "px";
imageLayer.style.left = ( Math.max( 0, 993 - 240 ) / 2 ) + "px"; // Changed to always centre in content
}
else
{
imageLayer.firstChild.style.visibility = "hidden";
imageLayer.firstChild.src = imgsrc;
imageLayer.firstChild.title = title + " (click to close)";
getElt( "imageLayerTitle" ).innerHTML = title
}
backLayer( imageLayer );
imageLayer.style.display = "";
}
function sizeImageLayerImage()
{
var imageLayer = getElt( "imageLayer" );
if( imageLayer != null )
{
var tmpImg = new Image();
tmpImg.src = imageLayer.firstChild.src;
imageLayer.style.top = ( Math.max( 0, getwindowheight() - tmpImg.height ) / 4 + getpagescrolly() ) + "px";
imageLayer.style.left = ( Math.max( 0, 993 - tmpImg.width ) / 2 ) + "px"; // Changed to always centre in content
imageLayer.firstChild.width = tmpImg.width;
imageLayer.firstChild.height = tmpImg.height;
imageLayer.style.width = tmpImg.width + "px";
backLayer( imageLayer );
setTimeout( "showImageLayerImage()", 10 );
}
}
function showImageLayerImage()
{
var imageLayer = getElt( "imageLayer" );
if( imageLayer != null )
{
imageLayer.firstChild.style.visibility = "visible";
}
}
function closeImageLayer()
{
var imageLayer = getElt( "imageLayer" );
if( imageLayer != null )
{
imageLayer.style.display = "none";
unBackLayer( imageLayer );
}
}
