var conf_reflection_p=0.5;var conf_focus=4;var conf_slider_width=14;var conf_images_cursor='pointer';var conf_slider_cursor='default';var conf_imageflow='imageflow';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=img_div.childNodes.item(array_images[caption_id]).getAttribute('alt');if(caption=='')caption=' ';caption_div.innerHTML=caption;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=img_div.childNodes.item(array_images[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';if(new_img_w&&new_img_h)
{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.onmouseover=function(){glideTo(this.x_pos,this.i);}
break;default:zIndex=zIndex+1;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;max=img_div.childNodes.length;var i=0;for(var index=0;index<max;index++)
{var image=img_div.childNodes.item(index);if(image.nodeType==1)
{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');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);show(conf_scrollbar);initMouseWheel();initMouseDrag();}}
window.onresize=function()
{if(document.getElementById(conf_imageflow))refresh();}
window.onunload=function()
{document=null;}
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;document.onselectstart=function()
{if(dragging==true)
{return false;}
else
{return true;}}}
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;}}