userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_philosophy_over = newImage("images/nav_philosophy-over.gif");
		nav_about_over = newImage("images/nav_about-over.gif");
		preloadFlag = true;
	}
}


function runSlideShow() {
   if (document.all) {
      document.images.slideShow.style.filter="blendTrans(duration=2)"
      document.images.slideShow.style.filter="blendTrans(duration=crossFadeDuration)"
      document.images.slideShow.filters.blendTrans.Apply()
   }
   document.images.slideShow.src = preLoad[j].src
   if (document.all) {
      document.images.slideShow.filters.blendTrans.Play()
   }
   j = j + 1
   if (j > (p-1)) j=0
   t = setTimeout('runSlideShow()', slideShowSpeed)
}

function runSlideShow2() {
   if (document.all) {
      document.images.slideShow2.style.filter="blendTrans(duration=2)"
      document.images.slideShow2.style.filter="blendTrans(duration=crossFadeDuration)"
      document.images.slideShow2.filters.blendTrans.Apply()
   }
   document.images.slideShow2.src = preLoad2[j2].src
   if (document.all) {
      document.images.slideShow2.filters.blendTrans.Play()
   }
   j2 = j2 + 1
   if (j2 > (p2-1)) j2=0
   t2 = setTimeout('runSlideShow2()', slideShowSpeed2)
}

function runSlideShow3() {
   if (document.all) {
      document.images.slideShow3.style.filter="blendTrans(duration=2)"
      document.images.slideShow3.style.filter="blendTrans(duration=crossFadeDuration)"
      document.images.slideShow3.filters.blendTrans.Apply()
   }
   document.images.slideShow3.src = preLoad3[j3].src
   if (document.all) {
      document.images.slideShow3.filters.blendTrans.Play()
   }
   j3 = j3 + 1
   if (j3 > (p3-1)) j3=0
   t3 = setTimeout('runSlideShow3()', slideShowSpeed3)
}