//首页左侧图片切换 begin
function initFeatureSlide() {
    var domRoot = document.getElementById('newschangebox');
    if (!domRoot) return;
    domRoot.list = [];
    var children = domRoot.childNodes;
    var offset = 0;
    for (var i in children) {
        var domItem = children[i];
        if (domItem && domItem.className == 'preview') {
            domRoot.list.push(domItem);
            domItem.offset = offset;
            offset++;
        }
    }
    var domList = document.getElementById('topchangebt');
    if (!domList) return;
    domList.innerHTML = '';
    domList.items = [];
    for (var i = 0; i < domRoot.list.length; i++) {
        var temp = domRoot.list[i];
        var domItem = document.createElement('a');
		domItem.innerHTML=i+1;
        domList.appendChild(domItem);
        domItem.href = '#';

        domItem.onclick = function(){
            return false;
        }
        domList.items.push(domItem);
        domItem.offset = i;
    }
	
    var domPreviousBtn = document.getElementById('btnprevious');
    var domNextBtn = document.getElementById('btnnext');
    domPreviousBtn.onclick = function(evt) {
        evt = evt || window.event;
        var target = evt.target || evt.srcElement;
        var offset = domList.current.offset;
        offset--;
        if (offset >= domList.items.length || offset < 0)
            offset = domList.items.length - 1;
        target.blur();
        doSlide(offset);
        return false;
    }
    domNextBtn.onclick = function(evt) {
        evt = evt || window.event;
        var target = evt.target || evt.srcElement;
        var offset = domList.current.offset;
        offset++;
        if (offset >= domList.items.length || offset < 0)
            offset = 0;
        target.blur();
        doSlide(offset);
        return false;
    }
    domRoot.current = domRoot.list[0];
    domList.current = domList.items[0];
    domRoot.current.style.display = 'block';
    domList.current.className = 'selected';
    function doSlide(offset, timeStamp) {
        if (
            timeStamp &&
            (
                domRoot.boolHover ||
                timeStamp != domRoot.timeStamp
                )
                ) return;

        if (typeof(offset) != 'number') {
            offset = domList.current.offset - (-1);
            if (offset >= domList.items.length || offset < 0)
                offset = 0;
        }
        domRoot.current.style.display = 'none';
        domList.current.className = '';
        domRoot.current = domRoot.list[offset];
        domList.current = domList.items[offset];
        domRoot.current.style.display = 'block';
        domList.current.className = 'selected';
        if (domRoot.boolHover) return;
        var now = new Date();
        domRoot.timeStamp = now.valueOf();
        window.setTimeout(function() {
            doSlide(null, now.valueOf());
        }, 5000);
    }
    domList.onmouseover = domList.onclick = function (evt) {
        evt = evt || window.event;
        var target = evt.target || evt.srcElement;
        while (target && target != domList) {
            if (target.tagName.toLowerCase() == 'a') {
                target.blur();
                doSlide(target.offset);
                return false;
            }
            target = target.parentNode;
        }
    }
    domRoot.onmouseover = domRoot.onmousemove = function() {
        domRoot.boolHover = true;
    }
    domRoot.onmouseout = function(evt) {
        domRoot.boolHover = false;
        var now = new Date();
        domRoot.timeStamp = now.valueOf();
        window.setTimeout(function() {
            doSlide(null, now.valueOf());
        }, 5000);
    }
    var now = new Date();
    domRoot.timeStamp = now.valueOf();
    window.setTimeout(function() {
        doSlide(null, now.valueOf());
    }, 5000);
}
//首页左侧图片切换 end


//内容切换 begin
function switchmodTag(modtag,b) {
var r=modtag.parentNode;
var t = b;
for(var i=0;i< r.children.length;i++)
	{
		r.children[i].className='';
	}
	for(var j=0;j< t.children.length;j++)
	{
		t.children[j].style.display='none';
		if(modtag.id==j)
		{
			t.children[j].style.display='';
		}
	}
	modtag.className='selected';
  }
function Divff(fid,ffid) {
    if (document.getElementById(fid)) {
	var t=document.getElementById(fid);
	var i = 0;
	
	    var tt = document.getElementById(ffid);
	    tt.children[0].style.display = 'block';
	    t.children[0].className = 'selected';
	    for (i = 0; i < t.children.length; i++) {
	        t.children[i].id = i;
	        t.children[i].onmouseover = function() {
	            switchmodTag(this, tt);
	        }
	    }
	}
}


//内容切换 end

//图片滚动列
var Speed_1 = 10; //速度(毫秒)
var Space_1 = 20; //每次移动(px)
var PageWidth_1 = 705; //翻页宽度
var interval_1 = 7000; //翻页间隔
var fill_1 = 0; //整体移位
var MoveLock_1 = false;
var MoveTimeObj_1;
var MoveWay_1="right";
var Comp_1 = 0;
var AutoPlayObj_1=null;
function GetObj(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}}
//function AutoPlay_1(){clearInterval(AutoPlayObj_1);AutoPlayObj_1=setInterval('ISL_GoDown_1();ISL_StopDown_1();',interval_1)}
function ISL_GoUp_1(){if(MoveLock_1)return;clearInterval(AutoPlayObj_1);MoveLock_1=true;MoveWay_1="left";MoveTimeObj_1=setInterval('ISL_ScrUp_1();',Speed_1);}
function ISL_StopUp_1(){if(MoveWay_1 == "right"){return};clearInterval(MoveTimeObj_1);if((GetObj('ISL_Cont_1').scrollLeft-fill_1)%PageWidth_1!=0){Comp_1=fill_1-(GetObj('ISL_Cont_1').scrollLeft%PageWidth_1);CompScr_1()}else{MoveLock_1=false}
//AutoPlay_1()
}
function ISL_ScrUp_1(){if(GetObj('ISL_Cont_1').scrollLeft<=0){GetObj('ISL_Cont_1').scrollLeft=GetObj('ISL_Cont_1').scrollLeft+GetObj('List1_1').offsetWidth}
GetObj('ISL_Cont_1').scrollLeft-=Space_1}
function ISL_GoDown_1(){clearInterval(MoveTimeObj_1);if(MoveLock_1)return;clearInterval(AutoPlayObj_1);MoveLock_1=true;MoveWay_1="right";ISL_ScrDown_1();MoveTimeObj_1=setInterval('ISL_ScrDown_1()',Speed_1)}
function ISL_StopDown_1(){if(MoveWay_1 == "left"){return};clearInterval(MoveTimeObj_1);if(GetObj('ISL_Cont_1').scrollLeft%PageWidth_1-(fill_1>=0?fill_1:fill_1+1)!=0){Comp_1=PageWidth_1-GetObj('ISL_Cont_1').scrollLeft%PageWidth_1+fill_1;CompScr_1()}else{MoveLock_1=false}
//AutoPlay_1()
}
function ISL_ScrDown_1(){if(GetObj('ISL_Cont_1').scrollLeft>=GetObj('List1_1').scrollWidth){GetObj('ISL_Cont_1').scrollLeft=GetObj('ISL_Cont_1').scrollLeft-GetObj('List1_1').scrollWidth}
GetObj('ISL_Cont_1').scrollLeft+=Space_1}
function CompScr_1(){if(Comp_1==0){MoveLock_1=false;return}
var num,TempSpeed=Speed_1,TempSpace=Space_1;if(Math.abs(Comp_1)<PageWidth_1/2){TempSpace=Math.round(Math.abs(Comp_1/Space_1));if(TempSpace<1){TempSpace=1}}
if(Comp_1<0){if(Comp_1<-TempSpace){Comp_1+=TempSpace;num=TempSpace}else{num=-Comp_1;Comp_1=0}
GetObj('ISL_Cont_1').scrollLeft-=num;setTimeout('CompScr_1()',TempSpeed)}else{if(Comp_1>TempSpace){Comp_1-=TempSpace;num=TempSpace}else{num=Comp_1;Comp_1=0}
GetObj('ISL_Cont_1').scrollLeft+=num;setTimeout('CompScr_1()',TempSpeed)}}
function picrun_ini(){
GetObj("List2_1").innerHTML=GetObj("List1_1").innerHTML;
GetObj('ISL_Cont_1').scrollLeft=fill_1>=0?fill_1:GetObj('List1_1').scrollWidth-Math.abs(fill_1);
GetObj("ISL_Cont_1").onmouseover=function(){clearInterval(AutoPlayObj_1)}
GetObj("ISL_Cont_1").onmouseout=function(){AutoPlay_1()}
//AutoPlay_1();
}
//产品展示滚动图片结束



/*首页中间图片自动切换  begin*/
var n=0;

function setBgp(s){	
	var t = document.getElementById("Slideimg");

	if (t ==null){return ;}
	for (var i = 0; i < t.children.length; i++) {
		t.children[i].style.display = "none" ;
    }
	t.children[s].style.display='block';
}
function plays(value) {
    var t = document.getElementById("Slidebt");

	if (t ==null){return ;}
	for (i = 0; i < t.children.length; i++) i == value ? t.children[i].className='selected':  t.children[i].className='';
}
function setAuto() { autoStart = setInterval(function() { auto() }, 3000) }

function auto() { 
	 var t = document.getElementById("Slidebt");
    if (n > (t.children.length-1)) n = 0;	
	 setBgp(n);	
	 plays(n);
	    n++;
}
setAuto();
/*首页中间图片自动切换  end*/