function setImgSize(imgID,maxWidth,maxHeight)
 {
     var img = document.getElementById(imgID);
     if(maxWidth < 1)
     {
         if(img.height > maxHeight)
         {
             img.height = maxHeight;
         }
         return true;
     }
     if(maxHeight < 1)
     {
       if(img.width > maxWidth)
        {
             img.width = maxWidth;
         }
         return true;
     }
     if(img.height > maxHeight || img.width > maxWidth)
     {
         if((img.height / maxHeight) > (img.width / maxWidth))
         {
             img.height = maxHeight;
        }
        else
       {
           img.width = maxWidth;
       }
        return true;
    }
 }