function resizeme(obj) {
if(obj.offsetWidth > 650) {
var srcW = obj.offsetWidth;
var srcH = obj.offsetHeight;
obj.style.width = "650px";
dstH = srcH * 650 / srcW;
obj.style.height = dstH+"px";
}
}
画语如茵
http://blog.sina.com.cn/wushipingart
