function scaleImage(nObj, nWidth, nHeight){    
  var mw = nWidth;    
  var mh = nHeight;    
  var img = nObj; 
  if((img.width>mw && img.width > mw*img.height/mh)){    
    img.width = mw;    
    img.height = img.height * mw / img.width; 
	//alert(img.style.margin-top);
	//img.style.margin-top = 30;
  }    
  if(img.height>mh && img.width < mw*img.height/mh){    
    img.height = mh;    
    img.width = img.width * mh / img.height;    
  }    
}