<!--
function setImgSize(img,width,height){
var MaxWidth=width;//设置图片宽度界限
var MaxHeight=height;//设置图片高度界限
var HeightWidth=img.offsetHeight/img.offsetWidth;//设置高宽比
var WidthHeight=img.offsetWidth/img.offsetHeight;//设置宽高比
if(img.offsetWidth>MaxWidth){
img.width=MaxWidth;
img.height=MaxWidth*HeightWidth;
}
if(img.offsetHeight>MaxHeight){
img.height=MaxHeight;
img.width=MaxHeight*WidthHeight;
}
}

var flag=false; 
function setImg(ImgD,w,h){ 
var image=new Image(); 
image.src=ImgD.src; 
if(image.width>0 && image.height>0){ 
flag=true; 
if(image.width/image.height>= w/h){ 
   if(image.width>h){
    ImgD.width=w; 
    ImgD.height=(image.height*h)/image.width; 
   }else{ 
    ImgD.width=image.width;
    ImgD.height=image.height; 
   } 
   /*ImgD.alt="bigpic" */
} 
else{ 
   if(image.height>h){
    ImgD.height=h; 
    ImgD.width=(image.width*h)/image.height; 
   }else{ 
    ImgD.width=image.width;
    ImgD.height=image.height; 
   } 
    /*ImgD.alt="bigpic" */ 
} 
}
}

// -->