Efectos para tu web

El siguiente código te permite dar un "efecto nieve" a tu web, para ello debes copiarlo y pegarlo en tu sitio

<script language="JavaScript1.2"> //Configure below to change URL path to the snow image var snowsrc="gif_jpg/snow3.gif" // Configure below to change number of snow to render var no = 10; var ns4up = (document.layers) ? 1 : 0; // browser sniffer var ie4up = (document.all) ? 1 : 0; var ns6up = (document.getElementById&&!document.all) ? 1 : 0; var dx, xp, yp; // coordinate and position variables var am, stx, sty; // amplitude and step variables var i, doc_width = 800, doc_height = 600; if (ns4up||ns6up) { doc_width = self.innerWidth; doc_height = self.innerHeight; } else if (ie4up) { doc_width = document.body.clientWidth; doc_height = document.body.clientHeight; } dx = new Array(); xp = new Array(); yp = new Array(); am = new Array(); stx = new Array(); sty = new Array(); for (i = 0; i < no; ++ i) { dx[i] = 0; // set coordinate variables xp[i] = Math.random()*(doc_width-50); // set position variables yp[i] = Math.random()*doc_height; am[i] = Math.random()*20; // set amplitude variables stx[i] = 0.02 + Math.random()/10; // set step variables sty[i] = 0.7 + Math.random(); // set step variables if (ns4up) { // set layers if (i == 0) { document.write("<layer name=\"dot"+ i +"\" left=\"15\" top=\"15\" visibility=\"show\"><a href=\"http://www.webcindario.com/yomaster/principal.htm/\"><img <http://www.webcindario.com/yomaster/principal.htm/\> src='"+snowsrc+"' border=\"0\"><\/a><\/layer>"); } else { document.write("<layer name=\"dot"+ i +"\" left=\"15\" top=\"15\" visibility=\"show\"><img src='"+snowsrc+"' border=\"0\"><\/layer>"); } } else if (ie4up||ns6up) { if (i == 0) { document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><a href=\"http://www.webcindario.com/yomaster/principal.htm\"><img <http://www.webcindario.com/yomaster/principal.htm\> src='"+snowsrc+"' border=\"0\"><\/a><\/div>"); } else { document.write("<div id=\"dot"+ i +"\" style=\"POSITION: absolute; Z-INDEX: "+ i +"; VISIBILITY: visible; TOP: 15px; LEFT: 15px;\"><img src='"+snowsrc+"' border=\"0\"><\/div>"); } } } function snowNS() { // Netscape main animation function for (i = 0; i < no; ++ i) { // iterate for every dot yp[i] += sty[i]; if (yp[i] > doc_height-50) { xp[i] = Math.random()*(doc_width-am[i]-30); yp[i] = 0; stx[i] = 0.02 + Math.random()/10; sty[i] = 0.7 + Math.random(); doc_width = self.innerWidth; doc_height = self.innerHeight; } dx[i] += stx[i]; document.layers["dot"+i].top = yp[i]; document.layers["dot"+i].left = xp[i] + am[i]*Math.sin(dx[i]); } setTimeout("snowNS()", 10); } function snowIE_NS6() { // IE and NS6 main animation function for (i = 0; i < no; ++ i) { // iterate for every dot yp[i] += sty[i]; if (yp[i] > doc_height-50) { xp[i] = Math.random()*(doc_width-am[i]-30); yp[i] = 0; stx[i] = 0.02 + Math.random()/10; sty[i] = 0.7 + Math.random(); doc_width = ns6up?window.innerWidth : document.body.clientWidth; doc_height = ns6up?window.innerHeight : document.body.clientHeight; } dx[i] += stx[i]; if (ie4up){ document.all["dot"+i].style.pixelTop = yp[i]; document.all["dot"+i].style.pixelLeft = xp[i] + am[i]*Math.sin(dx[i]); } else if (ns6up){ document.getElementById("dot"+i).style.top=yp[i]; document.getElementById("dot"+i).style.left=xp[i] + am[i]*Math.sin(dx[i]); } } setTimeout("snowIE_NS6()", 10); } if (ns4up) { snowNS(); } else if (ie4up||ns6up) { snowIE_NS6(); } </script>

Para lograr un efecto de "Letras Luminosas" copia el siguiente código.
Debes reemplazar "El texto a colocar" por el texto que aparezca iluminado.

<span id="theText" style="width:100%"> <h3 align="center"><font color="#3a6ca3"><font size="+5">el texto a colocar</font> </font><font color="#666666"> <!-- Mas trucos y scripts en http://www.codigo-web.com <http://64.4.10.250/cgi-bin/linkrd?_lang=ES&lah=a236d260b8fab78d02fcabe99e01bffe&lat=1056088466&hm___action=http%3a%2f%2fwww%2ecodigo%2dweb%2ecom> --> <script> // ^-the text that will be displayed <!-- //can be edited from here var from = 5; //the animation start value var to = 11; //the animation end value var delay = 55; //the animation speed var glowColor = "red"; //the first color var glowColor2 = "orange"; //the second color var glowColor3 = "yellow"; //the third color var glowColor4 = "lime"; //4th color var glowColor5 = "blue"; //5th color var glowColor6 = "magenta"; //last color //no more editing var i = to; var j = 0; textPulseDown(); function textPulseUp() { if (!document.all) return if (i < to) { theText.style.filter = "Glow(Color=" + glowColor + ", Strength=" + i + ")"; i++; theTimeout = setTimeout('textPulseUp()',delay); return 0; } if (i = to) { theTimeout = setTimeout('textPulseDown()',delay); return 0; } } function textPulseDown() { if (!document.all) return if (i > from) { theText.style.filter = "Glow(Color=" + glowColor2 + ", Strength=" + i + ")"; i--; theTimeout = setTimeout('textPulseDown()',delay); return 0; } if (i = from) { theTimeout = setTimeout('textPulseUp2()',delay); return 0; } } //Copyright (c) 2001 Coyotee Labs Romania (www.coyoteelabs.go.ro <http://64.4.10.250/cgi-bin/linkrd?_lang=ES&lah=1d3a9a4c8f2631c047337741a766ab1b&lat=1056088466&hm___action=http%3a%2f%2fwww%2ecoyoteelabs%2ego%2ero>) //This script can be used freely as long as all copyright messages are //intact. Visit WWW.COYOTEELABS.GO.RO <http://64.4.10.250/cgi-bin/linkrd?_lang=ES&lah=19163593a50c376e641b5bca1c84f190&lat=1056088466&hm___action=http%3a%2f%2fwww%2eCOYOTEELABS%2eGO%2eRO> for more scripts function textPulseUp2() { if (!document.all) return if (i < to) { theText.style.filter = "Glow(Color=" + glowColor3 + ", Strength=" + i + ")"; i++; theTimeout = setTimeout('textPulseUp2()',delay); return 0; } if (i = to) { theTimeout = setTimeout('textPulseDown2()',delay); return 0; } } function textPulseDown2() { if (!document.all) return if (i > from) { theText.style.filter = "Glow(Color=" + glowColor4 + ", Strength=" + i + ")"; i--; theTimeout = setTimeout('textPulseDown2()',delay); return 0; } if (i = from) { theTimeout = setTimeout('textPulseUp3()',delay); return 0; } } function textPulseUp3() { if (!document.all) return if (i < to) { theText.style.filter = "Glow(Color=" + glowColor5 + ", Strength=" + i + ")"; i++; theTimeout = setTimeout('textPulseUp3()',delay); return 0; } if (i = to) { theTimeout = setTimeout('textPulseDown3()',delay); return 0; } } function textPulseDown3() { if (!document.all) return if (i > from) { theText.style.filter = "Glow(Color=" + glowColor6 + ", Strength=" + i + ")"; i--; theTimeout = setTimeout('textPulseDown3()',delay); return 0; } if (i = from) { theTimeout = setTimeout('textPulseUp()',delay); return 0; } } //--> </script></font></h3></span>

Efecto de texto hacia arriba (Scroll) Copia el siguiente código!

Verás un ejemplo de Scroll con un texto predeterminado. Podés modificarlo
y colocar el texto que desees, sin alterar el resto del  código

<script language="JavaScript1.2"> // ancho var marqueewidth=450 // alto var marqueeheight=80 // velocidad var speed=1 // contenido del scroll var marqueecontents='<font face="Arial" size="2">Lo que veremos en este artículo, es un simple JavaScript para realizar un Scroll cada un determinado lapso de tiempo. En él, se pueden incluir <a href="<http://www.webexperto.com>" target="_blank">enlaces</a>, imágenes, <strong>textos en negrita</strong>, en fin, cualquier <em>código html</em>.<br>Es ideal para mostrar novedades o noticias sobre un sitio o tema en especial.</font>' if (document.all) document.write('<marquee direction="up" scrollAmount='+speed+' style="width:'+marqueewidth+';height:'+marqueeheight+'">'+marqueecontents+'</marquee>') function regenerate(){ window.location.reload() } function regenerate2(){ if (document.layers){ setTimeout("window.onresize=regenerate",450) intializemarquee() } } function intializemarquee(){ document.cmarquee01.document.cmarquee02.document.write(marqueecontents) document.cmarquee01.document.cmarquee02.document.close() thelength=document.cmarquee01.document.cmarquee02.document.height scrollit() } function scrollit(){ if (document.cmarquee01.document.cmarquee02.top>=thelength*(-1)){ document.cmarquee01.document.cmarquee02.top-=speed setTimeout("scrollit()",100) } else{ document.cmarquee01.document.cmarquee02.top=marqueeheight scrollit() } } window.onload=regenerate2 </script>

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