// JavaScript Document
//图片间歇性横向滚动

//图片滚动列表
var Speed = 10; //速度(毫秒)
var Space = 20; //每次移动(px)
var PageWidth = 268; //翻页宽度
var interval = 5000; //翻页间隔
var fill = 0; //整体移位
var MoveLock = false;
var MoveTimeObj;
var MoveWay="right";
var Comp = 0;
var AutoPlayObj=null;
function GetObj(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}}
function AutoPlay(){clearInterval(AutoPlayObj);AutoPlayObj=setInterval('ISL_GoDown();ISL_StopDown();',interval)}
function ISL_GoUp(){if(MoveLock)return;clearInterval(AutoPlayObj);MoveLock=true;MoveWay="left";MoveTimeObj=setInterval('ISL_ScrUp();',Speed);}
function ISL_StopUp(){if(MoveWay == "right"){return};clearInterval(MoveTimeObj);if((GetObj('ISL_Cont').scrollLeft-fill)%PageWidth!=0){Comp=fill-(GetObj('ISL_Cont').scrollLeft%PageWidth);CompScr()}else{MoveLock=false}
AutoPlay()}

function SL_GoUp(){if(MoveLock)return;clearInterval(AutoPlayObj);MoveLock=true;MoveWay="left";MoveTimeObj=setInterval('ISL_ScrUp();',Speed);}
function SL_StopUp(){if(MoveWay == "right"){return};clearInterval(MoveTimeObj);if((GetObj('ISL_Cont').scrollLeft-fill)%PageWidth!=0){Comp=fill-(GetObj('ISL_Cont').scrollLeft%PageWidth);CompScr()}else{MoveLock=false}
AutoPlay()}

function ISL_ScrUp(){if(GetObj('ISL_Cont').scrollLeft<=0){GetObj('ISL_Cont').scrollLeft=GetObj('ISL_Cont').scrollLeft+GetObj('List1').offsetWidth}
GetObj('ISL_Cont').scrollLeft-=Space}
function ISL_GoDown(){clearInterval(MoveTimeObj);if(MoveLock)return;clearInterval(AutoPlayObj);MoveLock=true;MoveWay="right";ISL_ScrDown();MoveTimeObj=setInterval('ISL_ScrDown()',Speed)}
function ISL_StopDown(){if(MoveWay == "left"){return};clearInterval(MoveTimeObj);if(GetObj('ISL_Cont').scrollLeft%PageWidth-(fill>=0?fill:fill+1)!=0){Comp=PageWidth-GetObj('ISL_Cont').scrollLeft%PageWidth+fill;CompScr()}else{MoveLock=false}
AutoPlay()}
function ISL_ScrDown(){if(GetObj('ISL_Cont').scrollLeft>=GetObj('List1').scrollWidth){GetObj('ISL_Cont').scrollLeft=GetObj('ISL_Cont').scrollLeft-GetObj('List1').scrollWidth}
GetObj('ISL_Cont').scrollLeft+=Space}
function CompScr(){if(Comp==0){MoveLock=false;return}
var num,TempSpeed=Speed,TempSpace=Space;if(Math.abs(Comp)<PageWidth/2){TempSpace=Math.round(Math.abs(Comp/Space));if(TempSpace<1){TempSpace=1}}
if(Comp<0){if(Comp<-TempSpace){Comp+=TempSpace;num=TempSpace}else{num=-Comp;Comp=0}
GetObj('ISL_Cont').scrollLeft-=num;setTimeout('CompScr()',TempSpeed)}else{if(Comp>TempSpace){Comp-=TempSpace;num=TempSpace}else{num=Comp;Comp=0}
GetObj('ISL_Cont').scrollLeft+=num;setTimeout('CompScr()',TempSpeed)}}
function picrun_ini(){
GetObj("List2").innerHTML=GetObj("List1").innerHTML;
GetObj('ISL_Cont').scrollLeft=fill>=0?fill:GetObj('List1').scrollWidth-Math.abs(fill);
GetObj("ISL_Cont").onmouseover=function(){clearInterval(AutoPlayObj)}
GetObj("ISL_Cont").onmouseout=function(){AutoPlay()}
AutoPlay();
}
//产品展示滚动图片结束

$(document).ready(function(){
	picrun_ini()
});