var conf_reflection_p=0.3;
var conf_focus=4;
var conf_slider_width=14;
var conf_images_cursor="pointer";
var conf_slider_cursor="default";
var conf_imageflow="gallery";
var conf_loading="loading";
var conf_images="images";
var conf_captions="captions";
var conf_scrollbar="scrollbar";
var conf_slider="slider";
var caption_id=0;
var new_caption_id=0;
var current=0;
var target=0;
var mem_target=0;
var timer=0;
var array_images=new Array();
var new_slider_pos=0;
var dragging=false;
var dragobject=null;
var dragx=0;
var posx=0;
var new_posx=0;
var xstep=150;
function step(){switch(target<current-1||target>current+1){case true:moveTo(current+(target-current)/3);
window.setTimeout(step,50);
timer=1;break;default:timer=0;break}}function glideTo(x,new_caption_id){target=x;mem_target=x;if(timer==0){window.setTimeout(step,50);timer=1}caption_id=new_caption_id;caption=image_array[caption_id].getAttribute("alt");if(caption==""){caption="&nbsp;"}$(caption_div).fadeOut("normal",function(){caption_div.innerHTML=caption;$(caption_div).fadeIn()});
if(dragging==false){new_slider_pos=(scrollbar_width*(-(x*100/((max-1)*xstep)))/100)-new_posx;slider_div.style.marginLeft=(new_slider_pos-conf_slider_width)+"px"}}function moveTo(x){current=x;
var zIndex=max;
for(var index=0;index<max;index++){var image=image_array[index];
var current_image=index*-xstep;
	if((current_image+max_conf_focus)<mem_target||(current_image-max_conf_focus)>mem_target){image.style.visibility="hidden";image.style.display="none"}
	else{var z=Math.sqrt(10000+x*x)+100;
var xs=x/z*size+size;image.style.display="block";
var new_img_h=(image.h/image.w*image.pc)/z*size;

switch(new_img_h>max_height){
	case false:var new_img_w=image.pc/z*size;
	break;
	default:new_img_h=max_height;
	var new_img_w=image.w*new_img_h/image.h;
	break
}
var new_img_top=(images_width*0.34-new_img_h)+images_top+((new_img_h/(conf_reflection_p+1))*conf_reflection_p);
image.style.left=xs-(image.pc/2)/z*size+images_left+"px";
image.style.height=new_img_h+"px";
image.style.width=new_img_w+"px";
image.style.top=new_img_top+"px";
image.style.visibility="visible";
switch(x<0){case true:zIndex++;
break;
default:zIndex=zIndex-1;break}switch(image.i==caption_id){case false:image.onclick=function(){glideTo(this.x_pos,this.i)};break;default:zIndex=zIndex+1;if(image.url!==null&&image.url!==""){image.onclick=function(){document.location=this.url}}break}image.style.zIndex=zIndex}x+=xstep}}function refresh(onload){imageflow_div=document.getElementById(conf_imageflow);
img_div=document.getElementById(conf_images);
scrollbar_div=document.getElementById(conf_scrollbar);
slider_div=document.getElementById(conf_slider);
caption_div=document.getElementById(conf_captions);
images_width=img_div.offsetWidth;
images_top=imageflow_div.offsetTop;
images_left=imageflow_div.offsetLeft;
max_conf_focus=conf_focus*xstep;
size=images_width*0.5;
scrollbar_width=images_width*0.6;
conf_slider_width=conf_slider_width*0.5;
max_height=images_width*0.51;
imageflow_div.style.height=max_height+"px";
img_div.style.height=images_width*0.338+"px";
caption_div.style.width=images_width+"px";
caption_div.style.marginTop=images_width*0.03+"px";
scrollbar_div.style.marginTop=images_width*0.02+"px";
scrollbar_div.style.marginLeft=images_width*0.2+"px";
scrollbar_div.style.width=scrollbar_width+"px";
slider_div.onmousedown=function(){dragstart(this)};
slider_div.style.cursor=conf_slider_cursor;
image_array=img_div.getElementsByTagName("img");
max=image_array.length;var i=0;
for(var index=0;index<max;index++){var image=image_array[index];
	array_images[i]=index;
	image.onclick=function(){glideTo(this.x_pos,this.i)};
	image.x_pos=(-i*xstep);
	image.i=i;
	if(onload==true){image.w=image.width;
	image.h=image.height}switch((image.w+1)>(image.h/(conf_reflection_p+1))){case true:image.pc=118;
	break;
	default:image.pc=100;
break}image.url=image.getAttribute("longdesc");

if(image.url!==null&&image.url!==""){image.ondblclick=function(){document.location=this.url}}image.style.cursor=conf_images_cursor;i++}max=array_images.length;
	moveTo(current);
	glideTo(current,caption_id)}function show(id){var element=document.getElementById(id);
	element.style.visibility="visible"}function hide(id){var element=document.getElementById(id);
	element.style.visibility="hidden";
	element.style.display="none"}window.onload=function(){if(document.getElementById(conf_imageflow)){hide(conf_loading);
	refresh(true);
	show(conf_images);
	initMouseWheel();
	initMouseDrag();
	glideTo(-300,2)}};
window.onresize=function(){if(document.getElementById(conf_imageflow)){refresh()}};
function handle(delta){var change=false;switch(delta>0){case true:if(caption_id>=1){target=target+xstep;new_caption_id=caption_id-1;
change=true}break;default:if(caption_id<(max-1)){target=target-xstep;new_caption_id=caption_id+1;
change=true}break}if(change==true){glideTo(target,new_caption_id)}}function wheel(event){var delta=0;

if(!event){event=window.event}if(event.wheelDelta){delta=event.wheelDelta/120}else{if(event.detail){delta=-event.detail/3}}if(delta){handle(delta)}if(event.preventDefault){event.preventDefault()}event.returnValue=false}function initMouseWheel(){if(window.addEventListener){imageflow_div.addEventListener("DOMMouseScroll",wheel,false)}imageflow_div.onmousewheel=wheel}function dragstart(element){dragobject=element;dragx=posx-dragobject.offsetLeft+new_slider_pos}function dragstop(){dragobject=null;
dragging=false}function drag(e){posx=document.all?window.event.clientX:e.pageX;if(dragobject!=null){dragging=true;
new_posx=(posx-dragx)+conf_slider_width;
if(new_posx<(-new_slider_pos)){new_posx=-new_slider_pos}if(new_posx>(scrollbar_width-new_slider_pos)){new_posx=scrollbar_width-new_slider_pos}var slider_pos=(new_posx+new_slider_pos);
var step_width=slider_pos/((scrollbar_width)/(max-1));
var image_number=Math.round(step_width);
var new_target=(image_number)*-xstep;
var new_caption_id=image_number;
dragobject.style.left=new_posx+"px";
glideTo(new_target,new_caption_id)}}function initMouseDrag(){document.onmousemove=drag;
document.onmouseup=dragstop}function getKeyCode(event){event=event||window.event;
return event.keyCode}document.onkeydown=function(event){var charCode=getKeyCode(event);
switch(charCode){case 39:handle(-1);
break;
case 37:handle(1);
break}};