<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE>石家庄油漆</TITLE> </HEAD> <body bgcolor="#ffffff" onLoad="fade()"> <span id="fader"> <SCRIPT LANGUAGE="JavaScript"> <!-- Begin var texts = new Array( "<font size=‘+2‘ color=‘{COLOR}‘ face=‘Arial‘><strong>源码爱好者</strong></font>", "<font size=‘+3‘ color=‘{COLOR}‘ face=‘Arial‘><strong>J a v a s c r i p t</strong></font>", "<font size=‘+4‘ color=‘{COLOR}‘ face=‘Arial‘><strong>F l a s h</strong></font>", "<font size=‘+3‘ color=‘{COLOR}‘ face=‘Arial‘><strong>A s p</font>", "<a href=‘/‘ target=‘_top‘><font size=‘+3‘ color=‘{COLOR}‘ face=‘Arial‘><strong>W e l c o m e </strong></font></a>"); var bgcolor = "#000000"; // background color, must be valid browser hex color (not color names) var fcolor = "#FF8000"; // foreground or font color var steps = 20; // number of steps to fade var show = 500; // milliseconds to display message var sleep = 30; // milliseconds to pause inbetween messages var loop = true; // true = continue to display messages, false = stop at last message var colors = new Array(steps); getFadeColors(bgcolor,fcolor,colors); var color = 0; var text = 0; var step = 1; function fade() { var text_out = texts[text].replace("{COLOR}", colors[color]); // texts should be defined in user script, e.g.: var texts = new Array("<font color=‘{COLOR}‘ sized=‘+3‘ face=‘Arial‘>howdy</font>"); if (document.all) fader.innerHTML = text_out; // document.all = IE only if (document.layers) { document.fader.document.write(text_out); document.fader.document.close(); } // document.layers = Netscape only color += step; if (color >= colors.length-1) { step = -1; // traverse colors array backward to fade out if (!loop && text >= texts.length-1) return; } if (color == 0) { step = 1; text += 1; if (text == texts.length) text = 0; // loop back to first message } setTimeout("fade()", (color == colors.length-2 && step == -1) ? show : ((color == 1 && step == 1) ? sleep : 50)); // sleep and show should be defined in user script, e.g.: var sleep=30; var show=500; } function getFadeColors(ColorA, ColorB, Colors) { len = Colors.length; if (ColorA.charAt(0)==‘#‘) ColorA = ColorA.substring(1); if (ColorB.charAt(0)==‘#‘) ColorB = ColorB.substring(1); var r = HexToInt(ColorA.substring(0,2)); var g = HexToInt(ColorA.substring(2,4)); var b = HexToInt(ColorA.substring(4,6)); var r2 = HexToInt(ColorB.substring(0,2)); var g2 = HexToInt(ColorB.substring(2,4)); var b2 = HexToInt(ColorB.substring(4,6)); var rStep = Math.round((r2 - r) / len); var gStep = Math.round((g2 - g) / len); var bStep = Math.round((b2 - b) / len); for (i = 0; i < len-1; i++) { Colors[i] = "#" + IntToHex(r) + IntToHex(g) + IntToHex(b); r += rStep; g += gStep; b += bStep; } Colors[len-1] = ColorB; } function IntToHex(n) { var result = n.toString(16); if (result.length==1) result = "0"+result; return result; } function HexToInt(hex) { return parseInt(hex, 16); } // End --> </script></span> </BODY> </HTML>
原文：http://www.cnblogs.com/youtianxia/p/3879985.html