
<!--
var flag=false;


function DrawImage(ImgD){
var image=new Image();
var iwidth = 150;
var iheight =180; //定义允许高度，当宽度大于这个值时等比例缩小
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;
    }
   }else{
    if(image.height>iheight){ 
     ImgD.height=iheight;
     ImgD.width=(image.width*iheight)/image.height; 
    }else{
     ImgD.width=image.width; 
     ImgD.height=image.height;
    }
   }
}
} 
//调用：<img src="图片" onload="javascript:DrawImage(this)">
//-->


