function ChangeTejia(tag1)
{
    var Tejia1 = document.getElementById("Tejia1");
    var tejiaSource = document.getElementById("tejiaSource");
    var tejiaImg01 = document.getElementById("tejiaImg01");
    var tejiaImg = document.getElementById("tejiaImg");
  
    if(tag1 == 1)
    {
        tejiaSource.innerHTML = tejiaSource.innerHTML;
        tejiaSource.className ="cent_third_r_03";
        Tejia1.className ="Hidd";
        tejiaImg.src = "NewImgs/n_01.gif";
        tejiaImg01.src = "NewImgs/n_02_1.gif";
    }
    else
    {  
       tejiaSource.className ="Hidd";
       Tejia1.innerHTML = Tejia1.innerHTML;
       Tejia1.className = "cent_third_r_03";
       tejiaImg.src = "NewImgs/n_01_1.gif";
       tejiaImg01.src = "NewImgs/n_02.gif";
    }
}
function DrawImage(ImgD,w,h)
{
    var flag = false;
    var MyImage = new Image();
    MyImage.src = ImgD.src;

    if(MyImage.readyState != "complete")
    {
        return false; 
    }
   
    if(MyImage.width > 0 && MyImage.height > 0)
    {  
        flag = true;
        if(MyImage.width / MyImage.height >= w / h)
        {
            if(MyImage.width > w)
            {
                ImgD.width = w;
                ImgD.height = (MyImage.height * w) / MyImage.width;
            }
            else
            {
                ImgD.width = MyImage.width;
                ImgD.height = MyImage.height;
            }
 
        }
        else
        {
            if(MyImage.height > h)
            {
                ImgD.height = h;
                ImgD.width = (MyImage.width * h) / MyImage.height;
            }
            else
            {
                ImgD.width = MyImage.width;
                ImgD.height = MyImage.height;
            }
 
        }
    }
}