// JScript 文件

function RatImg(Img,blw,blh) 
{ 
var i=Img.width; 
var j=Img.height;  

if (i>blw) 
{ 
  var zjbl1=blw/i; 
  var zjbl2=blh/j; 
  if (zjbl1<zjbl2) 
  { 
    zjbl=zjbl1; 
  } 
  else 
  { 
    zjbl=zjbl2; 
  } 
  i=i*zjbl; 
  j=j*zjbl; 
} 
else 
{ 
  if (j>blh) 
  { 
    zjbl=blh/j; 
    j=blh; 
    i=i*zjbl; 
  } 
} 

Img.width=i; 
Img.height=j; 
} 

var flag=false; 
function DrawImage(ImgD,width,height){ 
 var image=new Image(); 
 image.src=ImgD.src; 
 if(image.width>0 && image.height>0){ 
  flag=true; 
  if(image.width/image.height>= width/height){ 
   if(image.width>width){
    ImgD.width=width; 
    ImgD.height=(image.height*width)/image.width; 
   }else{ 
    ImgD.width=image.width;
    ImgD.height=image.height; 
   } 
   ImgD.alt="点击查看详细信息..."; 
  } 
  else{ 
   if(image.height>height){
    ImgD.height=height; 
    ImgD.width=(image.width*height)/image.height; 
   }else{ 
    ImgD.width=image.width;
    ImgD.height=image.height; 
   } 
   ImgD.alt="点击查看详细信息..."; 
  } 
 }
}