var ppTop = 427;

	var ppAmount = 2;

	var ppTimeout = 2;

	var ppForwardPage = "overview.html";

	

	

	/* DHTML micro API */

	function getObj(name) {

		//alert(name);

		if (document.getElementById) {

			this.obj = document.getElementById(name);

			this.style = document.getElementById(name).style;

		} else if (document.all) {

			this.obj = document.all[name];

			this.style = document.all[name].style;

		} else if (document.layers) {

			this.obj = document.layers[name];

			this.style = document.layers[name];

		}

	}

		

	/* Checks whether DHTML is active. */

	function isDhtml() {

		return (document.getElementById || document.all || document.layers);

	}

	

	/* Initializes the layer functionality */

	function initIntro(top, amount, timer, page) {

		if (isDhtml()) {

			ppTop = top;

			ppAmount = amount;

			ppTimeout = timer;

			ppForwardPage = page;

		}

	}

	

	/* Scrolls the initialized layer down till an end position */

	function scrollDown(amount, pos) {

		if (isDhtml()) {

			var bottomLayer = new getObj('bottomLayer');

			

			if (parseInt(bottomLayer.style.top) < pos) {

				bottomLayer.style.top = parseInt(bottomLayer.style.top) + amount + "px";

				setTimeout('scrollDown(' + amount + ', ' + pos + ')', ppTimeout);

			} else if (ppForwardPage != null && ppForwardPage != "") {

				// window.location.href = ppForwardPage;



				scrollTimer = window.setTimeout(function() {

						var introLayer = new getObj('introLayer');

						var img_separator = new getObj('img_separator');

						var img_overview = new getObj('img_overview');

						//var showSelection = new getObj('showSelection');

						//var showOverview = new getObj('showOverview');

						introLayer.style.display = 'none';

						img_separator.style.display = 'block';

						img_overview.style.display = 'block';

						//showOverview.style.display = 'none';

						//showSelection.style.display = 'block';

					}, 500

				);



			}

		}

	}

	

	function fromFlash() {

		if (isDhtml()) {

			// Set the background of the intro to transparent.

			var introLayer = new getObj('introLayer');

			introLayer.style.background = 'transparent';



			// Scroll down the navigation

			scrollDown(ppAmount, ppTop);

		}

	}

	

	/* Checks if browser is supported. */

	function checkBrowser() {

		if ( (navigator.appName == 'Microsoft Internet Explorer' && navigator.appVersion.substring(0,1) > '3') 

			|| (navigator.appName == 'Netscape' && navigator.appVersion.substring(0,1) >= '3')) {

			return true;

		} 



		return false;

	}

	

		/*

	 * Checks if a flash player is installed.

	 */

	function checkFlash() {

		var hasFlash = false;

		

		if (checkBrowser()) {

			if (navigator.mimeTypes && navigator.mimeTypes["application/x-shockwave-flash"]

				&& navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin

				&& navigator.plugins && navigator.plugins["Shockwave Flash"])

			{

				hasFlash = true;

			} else if (navigator.userAgent && navigator.userAgent.indexOf("MSIE") != -1 && (navigator.userAgent.indexOf('Win') != -1)) {

				try {

					// version will be set for 4.X or 5.X player

					var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");

					var version = axo.GetVariable("$version");

					if (version != -1 ) {

						hasFlash = true;

					}

				} catch (e) {

				}

			}

		}

		

		return hasFlash;

	}