// JScript 文件

//<script language="JavaScript">


function DrawImage(ImgD,FitWidth,FitHeight){
     var image=new Image();
     image.src=ImgD.src;
     if(image.width>0 && image.height>0){
         if(image.width/image.height>= FitWidth/FitHeight){
             if(image.width>FitWidth){
                 ImgD.width=FitWidth;
                 ImgD.height=(image.height*FitWidth)/image.width;
             }else{
                 ImgD.width=image.width; 
                ImgD.height=image.height;
             }
         } else{
             if(image.height>FitHeight){
                 ImgD.height=FitHeight;
                 ImgD.width=(image.width*FitHeight)/image.height;
             }else{
                 ImgD.width=image.width; 
                ImgD.height=image.height;
             } 
        }
     }
 }
 //调用：<img src="图片" onload="javascript:DrawImage(this,80,80)">
 
 
////<!--
//////图片按比例缩放
////var flag=false;
////function DrawImage(ImgD,iwidth,iheight){
////var image=new Image();
//////var iwidth = 80; //定义允许图片宽度
//////var iheight = 80; //定义允许图片高度
////image.src=ImgD.src;
////if(image.width>0 && image.height>0){
////flag=true;
////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.height=image.height;
////}

////ImgD.alt=image.width+"×"+image.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;
////}
////ImgD.alt=image.width+"×"+image.height;
////}
////}
////} 
//////调用：<img src="图片" onload="javascript:DrawImage(this)">
//////-->
//</script>