WebRoot/member/images/selcolor.htm

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<HTML>
<HEAD>
<TITLE>颜色</TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<STYLE TYPE="text/css">
 td {font-size: 10.8pt}
 body {font-size: 10.8pt}
 BUTTON {width:5em}
</STYLE>

<SCRIPT LANGUAGE=JavaScript>
var SelRGB = '';
var DrRGB = '';
var SelGRAY = '120';

var hexch = new Array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');

function ToHex(n)
{	var h, l;

	n = Math.round(n);
	l = n % 16;
	h = Math.floor((n / 16)) % 16;
	return (hexch[h] + hexch[l]);
}

function DoColor(c, l)
{ var r, g, b;

  r = '0x' + c.substring(1, 3);
  g = '0x' + c.substring(3, 5);
  b = '0x' + c.substring(5, 7);
  
  if(l > 120)
  {
    l = l - 120;

    r = (r * (120 - l) + 255 * l) / 120;
    g = (g * (120 - l) + 255 * l) / 120;
    b = (b * (120 - l) + 255 * l) / 120;
  }else
  {
    r = (r * l) / 120;
    g = (g * l) / 120;
    b = (b * l) / 120;
  }

  return '#' + ToHex(r) + ToHex(g) + ToHex(b);
}

function EndColor()
{ var i;

  if(DrRGB != SelRGB)
  {
    DrRGB = SelRGB;
    for(i = 0; i <= 30; i ++)
      GrayTable.rows(i).bgColor = DoColor(SelRGB, 240 - i * 8);
  }