var fDesc=new Array();
fDesc[0] = "Change a webpage's background color to reseda or night mode to protect your eyes from intensity of white or other lightness color. You can custom the setting of which webpage element's background image and font color by yourself. You can right click to change some block's color, and you can disabled or enabled the function by context menu.";

function tShowHide(id, show)
{
	var s = document.getElementById("desc");

	if ((s.innerHTML.length<=212 || show==1) && show!=2)
	{
		s.innerHTML = fDesc[id];
		if (document.getElementById('m1'))
			document.getElementById('m1').style.display='none';
		if (document.getElementById('m2'))
			document.getElementById('m2').style.display='none';
		if (document.getElementById('more_txt'))
			document.getElementById('more_txt').style.display='inline';
	}
	else
	{
		s.innerHTML = '';
	}
}