//首页大logo控制
function change(obj,i)
{	
	var changeobj = M("sl"+obj);

	with(changeobj.style){
		 if (isIE()) 
		 {	
		 	var j = 20+i*10;
	      	filter = "Alpha(Opacity="+j+")";//IE逆境	
	     } 
	     else
	     {	
	   		var j = 0.2 + i*0.1;
	     	opacity = j;	
	     }
	}
	
	if(i<=8)
	{         
		 i++;
         var method = "change('"+obj+"',"+i+")";              
         setTimeout(method,20);//设置超时10毫秒
    }	
}
function showele(obj){
	
	if(document.getElementById('sl'+obj).style.display == "none")
	{
		for (var i=1;i<banners+1;i++){
		document.getElementById('sl'+i).style.display='none';
		}
		document.getElementById('sl'+obj).style.display='block';		
		for(var k=1;k<banners+1;k++)
		{
			var changeobj = M("st"+k);
			with(changeobj.style)
			{
				if (isIE()) 
				{												 	
					filter = "Alpha(Opacity=40)";//IE逆境	
				} 
				else
				{											   		
					opacity = 0.4;	
				}
			}
		}
		var st = M("st"+obj);
		with(st.style)
		{
			if (isIE()) 
			{												 	
				filter = "Alpha(Opacity=100)";//IE逆境	
			} 
			else
			{											   		
					opacity = 1;	
			}
		}
		var i=0;
		change(obj,i);	
	}	
}
									
var timeturn;									
function turnshow(nums)
{						
							
	if(nums > banners)
	{	
		nums=1;
	}						
											
	showele(nums);
	nums++;						
	var method = "turnshow("+nums+")";									
	timeturn = window.setTimeout(method,10000);										
	}
function removetime()
{			
												
	window.clearTimeout(timeturn);										
}
//控制结束

//滚动新闻
	var marqueeInterval=new Array(); //定义一些常用而且要经常用到的变量
										var marqueeId=0;
										var marqueeDelay=4000;										
										var marqueeHeight=24;										
										//接下来的是定义一些要使用到的函数
										function initMarquee() {
										 var str=marqueeContent[0];
										 document.write('<div id=marqueeBox style="overflow:hidden;width:500px;height:'+marqueeHeight+'px" onmouseover="clearInterval(marqueeInterval[0])" onmouseout="marqueeInterval[0]=setInterval(\'startMarquee()\',marqueeDelay)"><div>'+str+'</div></div>');
										 marqueeId++;
										 marqueeInterval[0]=setInterval("startMarquee()",marqueeDelay);
										 }
										function startMarquee() {
											 var str=marqueeContent[marqueeId];
											 marqueeId++;
											 if(marqueeId>=marqueeContent.length) marqueeId=0;
											 if(document.getElementById('marqueeBox').childNodes.length==1) {
											 var nextLine=document.createElement('DIV');
											 nextLine.innerHTML=str;
											 document.getElementById('marqueeBox').appendChild(nextLine);
										 }
										 else {
											 document.getElementById('marqueeBox').childNodes[0].innerHTML=str;
											 document.getElementById('marqueeBox').appendChild(document.getElementById('marqueeBox').childNodes[0]);
											 document.getElementById('marqueeBox').scrollTop=0;
										 }
										 clearInterval(marqueeInterval[1]);
										 marqueeInterval[1]=setInterval("scrollMarquee()",20);
										 }
										function scrollMarquee() {
										 document.getElementById('marqueeBox').scrollTop++;
										 if(document.getElementById('marqueeBox').scrollTop%marqueeHeight==(marqueeHeight-1)){
										 clearInterval(marqueeInterval[1]);
										 }
										 }
//滚动新闻结束

//滚动图片
var Speed_1 = 6; //速度(毫秒)
var Space_1 = 3; //每次移动(px)
var PageWidth_1 = 40 * 3; //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();
}
function turnleft()
{
	var img = M("left");														
	img.src= contextPath+"/style/images/e2/triangle_76.gif";		
}		
function imgback()
{													
	var imgleft = M("left");
	imgleft.src= contextPath+"/style/images/e2/2triangle_06.gif";
	var imgright = M("right");
	imgright.src= contextPath+"/style/images/e2/2triangle_03.gif";
}
function turnright()
{
	var img = M("right");
	img.src= contextPath+"/style/images/e2/triangle_73.gif";
}
//滚动图片结束