function resizepic(o)
{ 
var maxwidth=650;   //定义最大宽度
var maxheight=1000;  //定义最大高度
var a=new Image();
a.src=o.src
if(a.width > maxwidth)
{
  o.style.width=maxwidth;
}
if (a.height> maxheight)
{
  o.style.height=maxheight;
 }
}

//无级缩放图片大小
function bbimg(o)
{
  var zoom=parseInt(o.style.zoom, 10)||100;
  zoom+=event.wheelDelta/12;
  if (zoom>0) o.style.zoom=zoom+'%';
  return false;
}
var flag=false;
function DrawImage(ImgD,iwidth,iheight){
//参数(图片,允许的宽度,允许的高度)
var image=new Image();
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 getid(){
		mys=location.search;
		start=mys.lastIndexOf('id=');
		if(start!=-1){
			mys=mys.substr(start+3);
					
document.myform.KS_ID.value=mys
document.myform.KS_Path.value="/Article/ShowInfo.asp?ID="+mys
			}
}