// Save the image to Local disk
function SaveImage(img)
{
	var win = document.getElementById('genFrm').contentWindow;
	if (!win || img.tagName != 'IMG') return;
	win.location.href = img.src;
	setTimeout(function() { win.document.execCommand("SaveAs"); }, 200);
}

// 复制图片到剪贴版
function CopyImage(img)
{
  if (img.tagName != 'IMG') return;
  if (typeof img.contentEditable == 'undefined' || !document.body.createControlRange)
  {
    alert('抱歉，浏览器不支持直接复制图片！\n请将鼠标移到图片上方，单击鼠标右键在弹出菜单中选择“复制”');
  }
  else
  {
    var ctrl = document.body.createControlRange();
    img.contentEditable = true;
    ctrl.addElement(img);
    ctrl.execCommand('Copy');
    img.contentEditable = false;
    alert('复制完成，到QQ对话框里按Ctrl-V就可以啦！\n\n若不能粘贴请重复尝试或用鼠标右键选复制');
  }
}

// Header switch
function SubFolderSwitch(n)
{
  for (var i = 1; i <= SubFolderTotal; i++)
  {
    if (i == n)
    {  
      document.getElementById('SubFolderH' + i).className = 'h';
      document.getElementById('SubFolderB' + i).style.display = '';
    }
    else
    {
      document.getElementById('SubFolderH' + i).className = 'hnone';
      document.getElementById('SubFolderB' + i).style.display = 'none';
    }
  }
}