// JavaScript Document

function addLoadEvent(func){var oldonload=window.onload;if(typeof window.onload!='function'){window.onload=func;}else{window.onload=function(){oldonload();func();}}}
function addBtn(){if(!$('ibanner')||!$('ibanner_pic'))return;var picList=$('ibanner_pic').getElementsByTagName('a');if(picList.length==0)return;var btnBox=document.createElement('div');btnBox.setAttribute('id','ibanner_btn');var SpanBox='';for(var i=1;i<=picList.length;i++){var spanList='<span class="normal">'+i+'</span>';SpanBox+=spanList;} btnBox.innerHTML=SpanBox;$('ibanner').appendChild(btnBox);$('ibanner_btn').getElementsByTagName('span')[0].className='current';for(var m=0;m<picList.length;m++){var attributeValue='picLi_'+m;picList[m].setAttribute('id',attributeValue);}}
function moveElement(elementID,final_x,final_y,interval){if(!document.getElementById)return false;if(!document.getElementById(elementID))return false;var elem=document.getElementById(elementID);if(elem.movement){clearTimeout(elem.movement);}if(!elem.style.left){elem.style.left="0px";}if(!elem.style.top){elem.style.top="0px";}var xpos=parseInt(elem.style.left);var ypos=parseInt(elem.style.top);if(xpos==final_x&&ypos==final_y){moveing=false;return true;}if(xpos<final_x){var dist=Math.ceil((final_x-xpos)/10);xpos=xpos+dist;}if(xpos>final_x){var dist=Math.ceil((xpos-final_x)/10);xpos=xpos-dist;}if(ypos<final_y){var dist=Math.ceil((final_y-ypos)/10);ypos=ypos+dist;}if(ypos>final_y){var dist=Math.ceil((ypos-final_y)/10);ypos=ypos-dist;}elem.style.left=xpos+"px";elem.style.top=ypos+"px";var repeat="moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";elem.movement=setTimeout(repeat,interval);}
function classNormal(){var btnList=$('ibanner_btn').getElementsByTagName('span');for(var i=0;i<btnList.length;i++){btnList[i].className='normal';}}
function picZ(){var picList=$('ibanner_pic').getElementsByTagName('a');for(var i=0;i<picList.length;i++){picList[i].style.zIndex='1';}}
var autoKey=false;
function iBanner(){if(!$('ibanner')||!$('ibanner_pic')||!$('ibanner_btn'))return;$('ibanner').onmouseover=function(){autoKey=true};$('ibanner').onmouseout=function(){autoKey=false};var btnList=$('ibanner_btn').getElementsByTagName('span');var picList=$('ibanner_pic').getElementsByTagName('a');if(picList.length==1)return;picList[0].style.zIndex='2';for(var m=0;m<btnList.length;m++){btnList[m].onmouseover=function(){for(var n=0;n<btnList.length;n++){if(btnList[n].className=='current'){var currentNum=n;}}classNormal();picZ();this.className='current';picList[currentNum].style.zIndex='2';var z=this.childNodes[0].nodeValue-1;picList[z].style.zIndex='3';if(currentNum!=z){picList[z].style.left='960px';moveElement('picLi_'+z,0,0,10);}}}}
setInterval('autoBanner()',5000);
function autoBanner(){if(!$('ibanner')||!$('ibanner_pic')||!$('ibanner_btn')||autoKey)return;var btnList=$('ibanner_btn').getElementsByTagName('span');var picList=$('ibanner_pic').getElementsByTagName('a');if(picList.length==1)return;for(var i=0;i<btnList.length;i++){if(btnList[i].className=='current'){var currentNum=i;}}if(currentNum==(picList.length-1)){classNormal();picZ();btnList[0].className='current';picList[currentNum].style.zIndex='2';picList[0].style.zIndex='3';picList[0].style.left='960px';moveElement('picLi_0',0,0,10);}else{classNormal();picZ();var nextNum=currentNum+1;btnList[nextNum].className='current';picList[currentNum].style.zIndex='2';picList[nextNum].style.zIndex='3';picList[nextNum].style.left='960px';moveElement('picLi_'+nextNum,0,0,10);}}
picRun();addLoadEvent(addBtn); addLoadEvent(iBanner);