function $(id){return document.getElementById(id);}
function addLoadEvent(func){var oldonload=window.onload;if(typeof window.onload!='function'){window.onload=func;}else{window.onload=function(){oldonload();func();}}}
function moveElement(elementID,final_x,final_y,interval){if(!document.getElementById)return false;if(!document.getElementById(elementID))return false;var elem=document.getElementById(elementID);if(elem.movement){clearTimeout(elem.movement);}
if(!elem.style.left){elem.style.left="0px";}
if(!elem.style.top){elem.style.top="0px";}
var xpos=parseInt(elem.style.left);var ypos=parseInt(elem.style.top);if(xpos==final_x&&ypos==final_y){return true;}
if(xpos<final_x){var dist=Math.ceil((final_x-xpos)/10);xpos=xpos+dist;}
if(xpos>final_x){var dist=Math.ceil((xpos-final_x)/10);xpos=xpos-dist;}
if(ypos<final_y){var dist=Math.ceil((final_y-ypos)/10);ypos=ypos+dist;}
if(ypos>final_y){var dist=Math.ceil((ypos-final_y)/10);ypos=ypos-dist;}
elem.style.left=xpos+"px";elem.style.top=ypos+"px";var repeat="moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";elem.movement=setTimeout(repeat,interval);}
function classNormal(slideshowBtnID,slideshowTxID){var slideshowBtns=$(slideshowBtnID).getElementsByTagName('li');var slideshowTxs=$(slideshowTxID).getElementsByTagName('li');for(var i=0;i<slideshowBtns.length;i++){slideshowBtns[i].className='normal';slideshowTxs[i].className='normal';}}
function classCurrent(slideshowBtnID,slideshowTxID,n){var slideshowBtns=$(slideshowBtnID).getElementsByTagName('li');var slideshowTxs=$(slideshowTxID).getElementsByTagName('li');slideshowBtns[n].className='current';slideshowTxs[n].className='current';}
function slideshowChange(){if(!$('slideshow'))return false;$('slideshow').onmouseover=function(){atuokey=true};$('slideshow').onmouseout=function(){atuokey=false};var slideshowBtns=$('slideshow_btn').getElementsByTagName('li');var listLength=slideshowBtns.length;slideshowBtns[0].onmouseover=function(){moveElement('slideshow_piclist',0,0,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',0);}
if(listLength>=2){slideshowBtns[1].onmouseover=function(){moveElement('slideshow_piclist',0,-385,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',1);}}
if(listLength>=3){slideshowBtns[2].onmouseover=function(){moveElement('slideshow_piclist',0,-770,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',2);}}
if(listLength>=4){slideshowBtns[3].onmouseover=function(){moveElement('slideshow_piclist',0,0,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',3);}}}
setInterval('autoslideshow()',5000);var atuokey=false;function autoslideshow(){if(!$('slideshow'))return false;if(atuokey)return false;var focusBtnList=$('slideshow_btn').getElementsByTagName('li');var listLength=focusBtnList.length;for(var i=0;i<listLength;i++){if(focusBtnList[i].className=='current')var currentNum=i;}
if(currentNum==0&&listLength!=1){moveElement('slideshow_piclist',0,-385,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',1);}
if(currentNum==1&&listLength!=2){moveElement('slideshow_piclist',0,-770,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',2);}
if(currentNum==2&&listLength!=3){moveElement('slideshow_piclist',0,0,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',3);}
if(currentNum==3){moveElement('slideshow_piclist',0,0,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',0);}
if(currentNum==1&&listLength==2){moveElement('slideshow_piclist',0,0,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',0);}
if(currentNum==2&&listLength==3){moveElement('slideshow_piclist',0,0,5);classNormal('slideshow_btn','slideshow_tx');classCurrent('slideshow_btn','slideshow_tx',0);}}
addLoadEvent(slideshowChange);