// Copyright 2006 | Thierry Koblentz - www.TJKDesign.com All Rights reserved
// TJK_ToggleDL() Version 1.5.4 report bugs or errors to thierry@tjkdesign.com

if (document.getElementById && document.getElementsByTagName){			
document.write("<link href=\"TJK_ToggleDL/TJK_ToggleDL.css\" type=\"text/css\" rel=\"stylesheet\" />")
document.write("<link href=\"TJK_ToggleDL/TJK_ToggleDL_ie5mac.css\" type=\"text/css\" rel=\"stylesheet\" />")
}
function TJK_doToggleDL(x){
    var zDD=document.getElementById('TJK_DL').getElementsByTagName('dd');
    var zDT=document.getElementById('TJK_DL').getElementsByTagName('dt'); 
    zDD[x].className=(zDD[x].className=='hideDD')?'showDD':'hideDD';
    zDT[x].className=(zDT[x].className=='DTplus')?'DTminus':'DTplus'; 
}
function TJK_ToggleDLopen(){//we open all of them
    var zDD=document.getElementById('TJK_DL').getElementsByTagName('dd');
    var zDT=document.getElementById('TJK_DL').getElementsByTagName('dt'); 
    for(var i=0;i<zDT.length;i++){
	    zDD[i].className='showDD';
	    zDT[i].className='DTminus';
    }
	return false;
}
function TJK_ToggleDLclose(){//we close all of them 
    var zDD=document.getElementById('TJK_DL').getElementsByTagName('dd');
    var zDT=document.getElementById('TJK_DL').getElementsByTagName('dt'); 
    for(var i=0;i<zDT.length;i++){
	   zDD[i].className='hideDD';
 	   zDT[i].className='DTplus';
    }
	return false;
}
function TJK_ToggleDL(){
    if (document.getElementById && document.getElementsByTagName){ 
	    var zDT=document.getElementById('TJK_DL').getElementsByTagName('dt');
	    var zDD=document.getElementById('TJK_DL').getElementsByTagName('dd');
	    var ToggleON = document.getElementById('TJK_ToggleON');
	    var ToggleOFF = document.getElementById('TJK_ToggleOFF'); 
		    if (ToggleON && ToggleOFF){
				ToggleON.onclick = TJK_ToggleDLopen;
				ToggleON.title = "Show all answers";
				ToggleON.href = "#";
			   	ToggleOFF.onclick = TJK_ToggleDLclose; 
 			   	ToggleOFF.title = "Hide all answers";
				ToggleOFF.href = "#";
			}
	    for(var i=0;i<zDT.length;i++){
    		var zContent = zDT[i].innerHTML;
		    var zHref = "<a href='#' onclick=\"TJK_doToggleDL("+i+");return false\" title='Show/hide the answer'>";
		    zDT[i].innerHTML = zHref + zContent + "</a>";
		    zDD[i].className='hideDD';
		    zDT[i].className='DTplus';
	    }
    }
}


if (document.images){
/*img_home_off = new Image(); img_home_off.src = "home.png";*/
img_home_on = new Image(); img_home_on.src = "home_rollover.png";

//img_services_off = new Image(); img_services_off.src = "services.png";
img_services_on = new Image(); img_services_on.src = "services_rollover.png";

//img_aquarium_off = new Image(); img_aquarium_off.src = "aquarium_gallery.png";
img_aquarium_on = new Image(); img_aquarium_on.src = "aquarium_gallery_rollover.png";

//img_specimen_off = new Image(); img_specimen_off.src = "specimen_gallery.png";
img_specimen_on = new Image(); img_specimen_on.src = "specimen_gallery_rollover.png";

//img_frags_off = new Image(); img_frags_off.src = "frags_for_sale.png";
img_frags_on = new Image(); img_frags_on.src = "frags_for_sale_rollover.png";

//img_faqs_off = new Image(); img_faqs_off.src = "faqs.png";
img_faqs_on = new Image(); img_faqs_on.src = "faqs_rollover.png";

//img_about_off = new Image(); img_about_off.src = "about.png";
img_about_on = new Image(); img_about_on.src = "about_rollover.png";
}

function swapon(pic_name){
if (document.images){
	currentImage = document.images[pic_name];
	currentImage.src = pic_name + "_rollover.png";}}

function swapoff(pic_name){
if(document.images){
	currentImage = document.images[pic_name];
	currentImage.src = pic_name + ".png";}}

/*function swap(pic_name, new_pic)
{document[pic_name].src = [new_pic].src;}*/


/**
 * reflection.js v1.9
 * http://cow.neondragon.net/stuff/reflection/
 * Freely distributable under MIT-style license.
 */
 
/* From prototype.js */
if (!document.myGetElementsByClassName) {
	document.myGetElementsByClassName = function(className) {
		var children = document.getElementsByTagName('*') || document.all;
		var elements = new Array();
	  
		for (var i = 0; i < children.length; i++) {
			var child = children[i];
			var classNames = child.className.split(' ');
			for (var j = 0; j < classNames.length; j++) {
				if (classNames[j] == className) {
					elements.push(child);
					break;
				}
			}
		}
		return elements;
	}
}

var Reflection = {
	defaultHeight : 0.5,
	defaultOpacity: 0.5,
	
	add: function(image, options) {
		Reflection.remove(image);
		
		doptions = { "height" : Reflection.defaultHeight, "opacity" : Reflection.defaultOpacity }
		if (options) {
			for (var i in doptions) {
				if (!options[i]) {
					options[i] = doptions[i];
				}
			}
		} else {
			options = doptions;
		}
	
		try {
			var d = document.createElement('div');
			var p = image;
			
			var classes = p.className.split(' ');
			var newClasses = '';
			for (j=0;j<classes.length;j++) {
				if (classes[j] != "reflect") {
					if (newClasses) {
						newClasses += ' '
					}
					
					newClasses += classes[j];
				}
			}

			var reflectionHeight = Math.floor(p.height*options['height']);
			var divHeight = Math.floor(p.height*(1+options['height']));
			
			var reflectionWidth = p.width;
			
			if (document.all && !window.opera) {
				/* Fix hyperlinks */
                if(p.parentElement.tagName == 'A') {
	                var d = document.createElement('a');
	                d.href = p.parentElement.href;
                }  
                    
				/* Copy original image's classes & styles to div */
				d.className = newClasses;
				p.className = 'reflected';
				
				d.style.cssText = p.style.cssText;
				p.style.cssText = 'vertical-align: bottom';
			
				var reflection = document.createElement('img');
				reflection.src = p.src;
				reflection.style.width = reflectionWidth+'px';
				reflection.style.display = 'block';
				reflection.style.height = p.height+"px";
				
				reflection.style.marginBottom = "-"+(p.height-reflectionHeight)+'px';
				reflection.style.filter = 'flipv progid:DXImageTransform.Microsoft.Alpha(opacity='+(options['opacity']*100)+', style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy='+(options['height']*100)+')';
				
				d.style.width = reflectionWidth+'px';
				d.style.height = divHeight+'px';
				p.parentNode.replaceChild(d, p);
				
				d.appendChild(p);
				d.appendChild(reflection);
			} else {
				var canvas = document.createElement('canvas');
				if (canvas.getContext) {
					/* Copy original image's classes & styles to div */
					d.className = newClasses;
					p.className = 'reflected';
					
					d.style.cssText = p.style.cssText;
					p.style.cssText = 'vertical-align: bottom';
			
					var context = canvas.getContext("2d");
				
					canvas.style.height = reflectionHeight+'px';
					canvas.style.width = reflectionWidth+'px';
					canvas.height = reflectionHeight;
					canvas.width = reflectionWidth;
					
					d.style.width = reflectionWidth+'px';
					d.style.height = divHeight+'px';
					p.parentNode.replaceChild(d, p);
					
					d.appendChild(p);
					d.appendChild(canvas);
					
					context.save();
					
					context.translate(0,image.height-1);
					context.scale(1,-1);
					
					context.drawImage(image, 0, 0, reflectionWidth, image.height);
	
					context.restore();
					
					context.globalCompositeOperation = "destination-out";
					var gradient = context.createLinearGradient(0, 0, 0, reflectionHeight);
					
					gradient.addColorStop(1, "rgba(255, 255, 255, 1.0)");
					gradient.addColorStop(0, "rgba(255, 255, 255, "+(1-options['opacity'])+")");
		
					context.fillStyle = gradient;
					if (navigator.appVersion.indexOf('WebKit') != -1) {
						context.fill();
					} else {
						context.fillRect(0, 0, reflectionWidth, reflectionHeight*2);
					}
				}
			}
		} catch (e) {
	    }
	},
	
	remove : function(image) {
		if (image.className == "reflected") {
			image.className = image.parentNode.className;
			image.parentNode.parentNode.replaceChild(image, image.parentNode);
		}
	}
}

function addReflections() {
	var rimages = document.myGetElementsByClassName('reflect');
	for (i=0;i<rimages.length;i++) {
		var rheight = null;
		var ropacity = null;
		
		var classes = rimages[i].className.split(' ');
		for (j=0;j<classes.length;j++) {
			if (classes[j].indexOf("rheight") == 0) {
				var rheight = classes[j].substring(7)/100;
			} else if (classes[j].indexOf("ropacity") == 0) {
				var ropacity = classes[j].substring(8)/100;
			}
		}
		
		Reflection.add(rimages[i], { height: rheight, opacity : ropacity});
	}
}

var previousOnload = window.onload;
window.onload = function () { if(previousOnload) previousOnload(); addReflections(); }