代码
<script  language="javascript">
//显示缩略图
function DrawImage(ImgD,width_s,height_s){
/*var width_s=139;
var height_s=104;
*/
var image=new Image();
image.src
=ImgD.src;
if(image.width>0 && image.height>0){
flag
=true;
if(image.width/image.height>=width_s/height_s){
if(image.width>width_s){
ImgD.width
=width_s;
ImgD.height
=(image.height*width_s)/image.width;
}else{
ImgD.width
=image.width;
ImgD.height
=image.height;
}
}
else{
if(image.height>height_s){
ImgD.height
=height_s;
ImgD.width
=(image.width*height_s)/image.height;
}else{
ImgD.width
=image.width;
ImgD.height
=image.height;
}
}
}
/*else{
ImgD.src="";
ImgD.alt=""
}
*/
}
</script>

 

<img src="../Images/a.jpg"  onload="DrawImage(this,200,200)">
posted on 2010-03-15 20:45  冷傲残痕  阅读(524)  评论(0编辑  收藏  举报