
<!--
var flag=false;


function DrawImage(ImgD){
var image=new Image();
var iwidth = 200;
var iheight = 200; //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;
    }
   }
}
} 





function DrawImage1(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)">
//-->



