function zonghebut(i,j)
{
        i.src=j;
   
}
function leftbutclick()
{
	var img= CalfdivImage.getElementsByTagName("span");
	var nowid=-1;
	    
	for (var meng = 0; meng < img.length; meng++)
        {
            if(img[meng].style.display!="none")
            {
               img[meng].style.display="none";
               nowid=meng;
               break; 
            }
	    } 
	  
	 if((nowid!=-1)&&img[nowid+4])
	 {
	  img[nowid+4].style.display="inline-block";
	 }
	
	 
	  
	  var img1= CalfdivImage.getElementsByTagName("span");
	  
	   
    
    if(!isimgnone()&&img1[img1.length-4])
    {
        img1[img1.length-4].style.display="inline-block";
 return;
    }
   //img[0].style.display="inline-block";
  
  
	  
}
function rightbutclick()
{
    var img= CalfdivImage.getElementsByTagName("span");
	var nowid=100;
  
	for (var ms=img.length-1; ms >=0; ms--)
        {
            if(img[ms].style.display!="none")
            {
               img[ms].style.display="none";
               nowid=ms;
               break; 
            }
	    }
	 if((nowid!=100)&&img[nowid-4])
	 {
	  img[nowid-4].style.display="inline-block";
	  }
	  
	  var img1= CalfdivImage.getElementsByTagName("span");
    if(!isimgnone())
    {
        img1[3].style.display="inline-block";
        return;
    }
}




function leftbutclick1()
{
	var img= CalfdivImage.getElementsByTagName("span");
	var nowid=-1;
	for (var meng = 0; meng < img.length; meng++)
        {
            if(img[meng].style.display!="none")
            {
                img[meng].style.display="none";
                nowid=meng;
                break; 
            }
	    }
	 if((nowid!=-1)&&img[nowid+5])
	 {
	    img[nowid+5].style.display="inline-block";
	 }
  
	  var img1= CalfdivImage.getElementsByTagName("span");
    if(!isimgnone1())
    {
        img1[img1.length-5].style.display="inline-block";
    return;
    }
	  
}
function rightbutclick1()
{
    var img= CalfdivImage.getElementsByTagName("span");
	var nowid=100;
	for (var ms=img.length-1; ms >=0; ms--)
        {
            if(img[ms].style.display!="none")
            {
               img[ms].style.display="none";
               nowid=ms;
               break; 
            }
	    }
	 if((nowid!=100)&&img[nowid-5])
	 {
	  img[nowid-5].style.display="inline-block";
	  }
	  
	  var img1= CalfdivImage.getElementsByTagName("span");
    if(!isimgnone1())
    {
        img1[4].style.display="inline-block";
        return;
    }
}

function isimgnone1()
{
    var img= CalfdivImage.getElementsByTagName("span");
    var sum=0;
	for (var meng = 0; meng < img.length; meng++)
        {
            if(img[meng].style.display!="none")
            {
              sum++; 
            }
	    }
	    if(sum>4)
	    return true;
	    else
	    return false;
}



function isimgnone()
{
    var img= CalfdivImage.getElementsByTagName("span");
    var sum=0;
	for (var meng = 0; meng < img.length; meng++)
        {
            if(img[meng].style.display!="none")
            {
              sum++; 
            }
	    }
	    if(sum>6)
	    return true;
	    else
	    return false;
}
var nowimg;
function guangaoimgmouse(i)
{
    
    i.style.filter="";
}
function guangaoimgmouse1(i)
{
    if(i!=nowimg)
    i.style.filter="alpha(opacity=30)";
}
function guangaoimgmouse2(i,j,k)
{

var img= CalfdivImage.getElementsByTagName("img");
	for (var meng = 0; meng < img.length; meng++)
	{
	    img[meng].style.filter="alpha(opacity=30)";
	}
    document.getElementById("guanggaoimagenow").src=j;
//    if(k==1){
//    document.getElementById("guanggaoimagenow").style.width='99%';
//    document.getElementById("guanggaoimagenow").style.height='200px';
//    }
//    else if(k==0)
//    {
//    document.getElementById("guanggaoimagenow").style.width='259px';
//    document.getElementById("guanggaoimagenow").style.height='389px';
//    }
    i.style.filter="";
    nowimg=i;
    var span=spantextguangao.getElementsByTagName("span");
    for (var meng1 = 0; meng1 < span.length; meng1++)
	{
	   if(span[meng1].id!='calf1')
	    span[meng1].style.display="none";
	}
	if(document.getElementById("spanfusiguangao"+i.id))
	{
document.getElementById("spanfusiguangao"+i.id).style.display="";
}
}


function guangaoimgmouse3(i,j)
{

var img= CalfdivImage.getElementsByTagName("img");
	for (var meng = 0; meng < img.length; meng++)
	{
	    img[meng].style.filter="alpha(opacity=30)";
	}
    document.getElementById("guanggaoimagenow").src=j;
    i.style.filter="";
    nowimg=i;
 
//    var span=spantextguangao.getElementsByTagName("span");
//    for (var meng1 = 0; meng1 < span.length; meng1++)
//	{
//	   if(span[meng1].id!='calf1')
//	    span[meng1].style.display="none";
//	}
//	if(document.getElementById("spanfusiguangao"+i.id))
//    document.getElementById("spanfusiguangao"+i.id).style.display="";
//  }
}



function leftbutclick2()
{
	var img= CalfdivImage.getElementsByTagName("span");
	var nowid=-1;
	for (var meng = 0; meng < img.length; meng++)
        {
            if(img[meng].style.display!="none")
            {
               img[meng].style.display="none";
               nowid=meng;
               break; 
            }
	    }
	 if((nowid!=-1)&&img[nowid+4])
	 {
	  img[nowid+4].style.display="inline-block";
	  }
	  
	  var img1= CalfdivImage.getElementsByTagName("span");
    if(!isimgnone10())
    {
        img1[img1.length-4].style.display="inline-block";
    return;
    }
	  
}
function rightbutclick2()
{
    var img= CalfdivImage.getElementsByTagName("span");
	var nowid=100;
	for (var ms=img.length-1; ms >=0; ms--)
        {
            if(img[ms].style.display!="none")
            {
               img[ms].style.display="none";
               nowid=ms;
               break; 
            }
	    }
	 if((nowid!=100)&&img[nowid-4])
	 {
	  img[nowid-4].style.display="inline-block";
	  }
	  
	  var img1= CalfdivImage.getElementsByTagName("span");
    if(!isimgnone10())
    {
        img1[3].style.display="inline-block";
        return;
    }
}
function guangaoimgmouse10(i,j)
{

var img= CalfdivImage.getElementsByTagName("img");
    document.getElementById("kuaiwanle").style.backgroundImage="url("+j+")";
    nowimg=i;


}


function isimgnone10()
{
    var img= CalfdivImage.getElementsByTagName("span");
    var sum=0;
	for (var meng = 0; meng < img.length; meng++)
        {
            if(img[meng].style.display!="none")
            {
              sum++; 
            }
	    }
	    if(sum>3)
	    return true;
	    else
	    return false;
}