// JScript 文件
 function DrawImage(ImgD,iwidth,iheight) { 
     var image=new Image(); 
     image.src=ImgD.src; 
     if(image.width>0 && image.height>0){ 
        if(image.width/image.height>= iwidth/iheight){ 
           if(image.width>iwidth){ 
               ImgD.width=iwidth; 
               ImgD.height=(image.height*iwidth)/image.width; 
           }
           else
           { 
                  ImgD.width=image.width; 
                   
           } 
               ImgD.alt=ImgD.width+"×"+ImgD.height; 
        } 
        else{ 
                if(image.height>iheight){ 
                       ImgD.height=iheight; 
                       ImgD.width=(image.width*iheight)/image.height; 
                }else{ 
                        ImgD.width=image.width; 
                        ImgD.height=image.height; 
                     } 
            } 
    } 
}
       function checks()
       {
           if(document.getElementById("query").value.length==0)
           {
                alert("需要查找的内容不能为空!");
                return false;  
           }
           else
           {
                return true;
           }
       } 
        function logins()
       {
          document.Searchform.submit();
       }