var docwidth, docheight;
var timerTick=1000; // interval of tick calls
// helper functions
function MessageWindow(sender, message)
{
var msgWindow;
if(msgWindow==null)
{
msgWindow=window.open("","MessageWindow","menubar=no, scrollbars=yes, status=yes, width=500, height=200, resizable")
msgWindow.document.write("MessageWindow")
}
msgWindow.document.write(sender+" -> "+message+"
");
msgWindow.scroll(0, 2000);
msgWindow.focus();
}
function FindObj(n, doc)
{
if(!doc)
doc=document;
var x=doc[n];
if(!x && document.all)
x=document.all[n];
for(var i=0; !x && i57))
{
val=val.substring(0,i);
return val;
}
}
return val;
}
function FileName(path)
{ // finds file name in complete path
var sp = path.split('\\');
sp = sp[sp.length-1].split('/');
return sp[sp.length-1];
}
function DirName(path)
{ // finds derectory name in complete path
return path.substring(0, path.length-FileName(path).length);
}
function ReadableFileName(path)
{ // file name without extension and removed '_'
var fn = FileName(path);
var pos=fn.lastIndexOf('.');
if(pos>0)
fn=fn.substring(0, pos);
return fn.replace(/_/g, " ");
}
function TimeTick()
{ // calls OnTick each timerTick
OnTick();
setTimeout("TimeTick()", timerTick);
}
function GetWindowSize()
{ // sets document width and height
//opera Netscape 6 Netscape 4x Mozilla
if (window.innerWidth)
{
docwidth = window.innerWidth;
docheight = window.innerHeight;
}
//IE Mozilla
if (document.body.clientWidth)
{
docwidth = document.body.clientWidth;
docheight = document.body.clientHeight;
}
}
// resizable slide show class
var slideShowNode='slideShow';
var slideShowParentNode='slideShow_holder';
var slideShowCaptionNode='slideShow_caption';
var lastSelectedImg=null;
var slideDirection=1;
var slideIndex=-1;
var imageArrayIndex=0;
var singleImageName="";
var slideTimeLeft=0; // number of milliseconds left till next OnTick call
var slidePeriod=20000; // period of slide show
var previewArray=new Array();
function OnLoadPageWithSlides(slideInd, widthFraction, maxWidth)
{ // all pages with slide shows have to start timer, specify initial slide show index, and set slide fields
SetSlideShowFields(widthFraction, maxWidth);
setTimeout("StartDelayLoad()", 500);
imageArrayIndex=slideInd;
TimeTick();
}
function StartDelayLoad()
{
for(var i=0; i=0)
{
var fname=FileName(imgName);
var slideImages=slideImagesArray[imageArrayIndex];
slideIndex=-1;
for(i=0; imaxWidth)
w=maxWidth;
element.style.width=w;
if(ratio)
element.style.height=ToNumber(element.style.width)*ratio/100;
}
function SetSlideShowFields(widthFraction, maxWidth)
{ // sets width of slide show to a fraction (width - %) of document width
GetWindowSize();
//SetNodeSize(slideShowParentNode, widthFraction, maxWidth, 75); // fits 4:3 picture
SetNodeSize(slideShowParentNode, widthFraction, maxWidth, 72); // middle ground
//SetNodeSize(slideShowParentNode, widthFraction, maxWidth, 67); // fits 3:2 picture
ScaleSlide();
}
function ScaleImage(callerName)
{ // reduces image of the caller element to fit parent element dimensions
var caller=Element(callerName);
if(caller==null || caller.src==null || caller.src.length==0)
return -1;
var par=caller.parentNode;
if(par==null || par.style==null)
return -1;
var w=ToNumber(par.style.width);
var h=ToNumber(par.style.height);
caller.style.visibility='hidden';
var im=new Image();
im.src = caller.src;
var zoomX=w/im.width;
var zoomY=h/im.height;
var scale=1;
if(scale>zoomX)
scale=zoomX;
if(scale>zoomY)
scale=zoomY;
caller.width=scale*im.width;
//caller.height=scale*im.height;
caller.style.visibility='visible';
return caller.width;
}
function ScaleSlide()
{
var w=ScaleImage(slideShowNode);
if(w<0)
return;
var captionElement=Element(slideShowCaptionNode);
if(captionElement!=null)
captionElement.style.width=w+4; // 4 to account for border width
}
function DelayValidatedSingleImage(imgName, delay)
{ // calls SetSlideImage only if imgName is the same longer than delay
lastSelectedImg=imgName; // sels last image for validation at call time
setTimeout("ValidatedSingleImage('"+imgName+"')", delay);
}
function ValidatedSingleImage(imgName)
{
if(imgName==lastSelectedImg) // eliminates image resetting if mouce moves fast over control area
SetSingleImage(imgName);
}
function SetSlideImage(imgName)
{ // sets image of slideShowNode
var el=Element(slideShowNode);
if(el==null)
return false;
try
{
el.filters(0).Apply();
el.src=imgName+".jpg";
el.filters(0).Play();
}
catch(ex)
{
el.src=imgName+".jpg";
}
var captionElement=Element(slideShowCaptionNode);
if(captionElement!=null)
captionElement.innerHTML=""+ReadableFileName(imgName)+"";
return true;
}
function OnTick()
{
slideTimeLeft-=timerTick;
if(slideTimeLeft>=0)
return;
slideTimeLeft=slidePeriod;
ShowNextSlide();
}
function ShowNextSlide()
{ // finds next file of the slide show and calls SetSlideImage
if(imageArrayIndex<0 || imageArrayIndex>=slideImagesArray.length)
return;
var slideImages=slideImagesArray[imageArrayIndex];
slideIndex+=slideDirection;
if(slideDirection<0)
slideDirection=1;
if(slideIndex>=slideImages.length)
slideIndex-=slideImages.length;
if(slideIndex<0)
slideIndex+=slideImages.length;
var dir=DirName(slideImages[0]);
var imageName=dir+FileName(slideImages[slideIndex]);
SetSlideImage(imageName);
}
function RunSlides(imageArrayInd, period)
{
if(imageArrayInd<0 || imageArrayInd>=slideImagesArray.length)
return;
imageArrayIndex=imageArrayInd;
var slideImages=slideImagesArray[imageArrayIndex];
if(slideImages.length<=0)
return;
slideDirection=1;
slidePeriod=period;
slideTimeLeft=slidePeriod;
slideIndex=-slideDirection;
ShowNextSlide();
}
function SetSlidePeriod(period)
{
slideTimeLeft=period;
slidePeriod=period;
}
function ForwardSlides() { slideDirection=1; slideTimeLeft=0; }
function BackwardSlides() { slideDirection=-1; slideTimeLeft=0; }
function HighBorder(name)
{
var el=Element(name);
if(el) { el.className="activeImghover"; }
}
function NormalBorder(name)
{
var el=Element(name);
if(el) { el.className="activeImg"; }
}
function PreviewImage(name, location, height, previewSuffix, previewSubdir)
{
var elName=previewSuffix ? name+previewSuffix : name; // preview image element name
var imageName=location+"/"+name;
var previewImageName=previewSubdir ? location+"/"+previewSubdir+"/"+elName : location+"/"+elName;
previewArray.push(previewImageName);
document.writeln("![\""+name+]()
");
}