文字特效】一段彩色的文字,javascript自动生成,而且每几个字就渐变.doc

var browser = unknown;var version = 0;if (navigator.userAgent.indexOf(Opera) = 0) browser = opera;else if (navigator.userAgent.indexOf(obot) = 0) browser = robot;else if (navigator.appName.indexOf(etscape) = 0) browser = netscape;else if (navigator.appName.indexOf(icrosoft) = 0) browser = msie;version = parseFloat(navigator.appVersion);if (isNaN(version) version = 0;if (browser = msie)&(version = 2) version = 3;/ lookup tablevar tohex = new Array(256);var hex = 0123456789ABCDEF;var count = 0;for (x=0; x16; x+) for (y=0; y16; y+) tohexcount = hex.charAt(x) + hex.charAt(y); count+; /ColorCode constructorfunction ColorCode(hexcode) if (hexcode.length = 7) this.r = parseInt(hexcode.substring(1,3),16); this.g = parseInt(hexcode.substring(3,5),16); this.b = parseInt(hexcode.substring(5,7),16); else if (hexcode.length = 6) this.r = parseInt(hexcode.substring(0,2),16); this.g = parseInt(hexcode.substring(2,4),16); this.b = parseInt(hexcode.substring(4,6),16); else this.r = this.g = this.b = 0; alert(Error: ColorCode constructor failed); if (isNaN(this.r)|isNaN(this.g)|isNaN(this.b) alert(Error: ColorCode constructor failed);/ ColorList constructorfunction ColorList(hexcodes) var i = 0; var c = 0; this.codes = new Array(Math.round(hexcodes.length/7); while (i =3.0) var colors = new ColorList(thecolors); var numcolors = colors.len; var numchars = thetext.length; var rr = 0; var gg = 0; var bb = 0; var lci = 0; /lower color index var hci = 0; /high color index for (i=0; inumchars; +i) lci = lowcolorindex(i, numchars, numcolors); hci = hicolorindex(i, numchars, numcolors, lci); rr = Math.round(interpolate( lci/(numcolors-1), colors.codeslci.r, hci/(numcolors-1), colors.codeshci.r, i/(numchars-1); gg = Math.round(interpolate( lci/(numcolors-1), colors.codeslci.g, hci/(numcolors-1), colors.codeshci.g, i/(numchars-1); bb = Math.round(interpolate( lci/(numcolors-1), colors.codeslci.b, hci/(numcolors-1), colors.codeshci.b, i/(numchars-1); if (browser = opera) rr = 255 - rr; gg = 255 - gg; bb = 255 - bb; document.write(thetext.charAt(i).fontcolor(tohexrr+tohexgg+tohexbb); else document.write(thetext); / unrecognized browser, better not to attempt anything fancy gradient(always wanted to be a genius?,FF0000 FFFFFF 0000FF);document.write();gradient(.well.do it, in.,444444 DDDDDD 444444);document.write();gradient(snazzy, eyecatching, gradient colors!,FF8888 FFFF88 88FF88 88FFFF 8888FF FF88FF);document.w