https://www.tartanmaker.com/js/corners.js

1function Corners()
2{
3}
4
5Corners.ids = ['tr', 'br', 'bl', 'tl'];
6
7Corners.round = function(element, radius, foreColor, backColor)
8{
9	for(var i = 0; i < 4; i++)
10	{
11		var className = 'corner_' + Corners.ids[i];
12		
13		var corner = C("img", "class", className,
14			"src", 
15			"generators/generate_corner.php?dir=" + i + "&fore=" + foreColor + "&back=" + backColor + "&r=" + radius
16		);
17		
18		element.appendChild(corner);
19		
20	}
21}
22Corners.roundStatic = function(element, cornerPrefix, radius, foreColor, backColor)
23{
24	for(var i = 0; i < 4; i++)
25	{
26		var className = 'corner_' + Corners.ids[i];
27		
28		var corner = C("img", "class", className,
29			"src", 
30			"images/corners/" + cornerPrefix + "_" + Corners.ids[i] + ".png"
31		);
32		
33		element.appendChild(corner);
34		
35	}
36}