// JavaScript Document


//图片缩放  
var flag=false;   
function DrawImage(ImgD,iwidth,iheight){   
 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;   
  }   

  }   
 }   
}    


//二、在图片调用的地方添加红色部分。  
//<td width="45%" align=center><a href="show_list.asp?artistid=<%=dat("id")%>" target=_blank><img src="<%=cls.pic_url(dat("a_pic"))%>" onload=''DrawImage(this,240,140);'' border=0></a></td>