Effetto neve Azzurra

<script language="JavaScript" type="text/javascript"> <!-- // Prelevato ed illustrato su http://www.web-link.it // CREDITS: // Snowmaker // By Peter Gehrig // Copyright (c) 2003 Peter Gehrig. All rights reserved. // Permission given to use the script provided that this notice remains as is. // Additional scripts can be found at http://Sito Sparito dalla rete // info@24fun.com // 11/27/2003 // IMPORTANT: // If you add this script to a script-library or script-archive // you have to add a highly visible link to // http://Sito Sparito dalla rete on the webpage // where this script will be featured /////////////////////////////////////////////////////////////////////////// // CONFIGURATION STARTS HERE /////////////////////////////////////////////////////////////////////////// // Set the number of snowflakes (more than 30 - 40 not recommended) var snowmax=35 // Set the colors for the snow. Add as many colors as you like var snowcolor=new Array("#2ba3ff","#0747ff","#44bfff", "3232d3") // Set the fonts, that create the snowflakes. Add as many fonts as you like var snowtype=new Array("Arial Black","Arial Narrow","Times","Comic Sans MS") // Set the letter that creates your snowflake (recommended:*) var snowletter="*" // Set the speed of sinking (recommended values range from 0.3 to 2) var sinkspeed=0.6 // Set the maximal-size of your snowflaxes var snowmaxsize=22 // Set the minimal-size of your snowflaxes var snowminsize=12 // Set the snowing-zone // Set 1 for all-over-snowing, set 2 for left-side-snowing // Set 3 for center-snowing, set 4 for right-side-snowing var snowingzone=1 /////////////////////////////////////////////////////////////////////////// // CONFIGURATION ENDS HERE /////////////////////////////////////////////////////////////////////////// // Do not edit below this line var snow=new Array() var marginbottom var marginright var timer var i_snow=0 var x_mv=new Array(); var crds=new Array(); var lftrght=new Array(); var browserinfos=navigator.userAgent var ie5=document.all&&document.getElementById&&!browserinfos.match(/Opera/) var ns6=document.getElementById&&!document.all var opera=browserinfos.match(/Opera/) var browserok=ie5||ns6||opera function randommaker(range) { rand=Math.floor(range*Math.random()) return rand } function initsnow() { if (ie5 || opera) { marginbottom = document.body.clientHeight marginright = document.body.clientWidth } else if (ns6) { marginbottom = window.innerHeight marginright = window.innerWidth } var snowsizerange=snowmaxsize-snowminsize for (i=0;i<=snowmax;i++) { crds[i] = 0; lftrght[i] = Math.random()*15; x_mv[i] = 0.03 + Math.random()/10; snow[i]=document.getElementById("s"+i) snow[i].style.fontFamily=snowtype[randommaker(snowtype.length)] snow[i].size=randommaker(snowsizerange)+snowminsize snow[i].style.fontSize=snow[i].size snow[i].style.color=snowcolor[randommaker(snowcolor.length)] snow[i].sink=sinkspeed*snow[i].size/5 if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)} if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)} if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4} if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2} snow[i].posy=randommaker(2*marginbottom-marginbottom-2*snow[i].size) snow[i].style.left=snow[i].posx snow[i].style.top=snow[i].posy } movesnow() } function movesnow() { for (i=0;i<=snowmax;i++) { crds[i] += x_mv[i]; snow[i].posy+=snow[i].sink snow[i].style.left=snow[i].posx+lftrght[i]*Math.sin(crds[i]); snow[i].style.top=snow[i].posy if (snow[i].posy>=marginbottom-2*snow[i].size || parseInt(snow[i].style.left)>(marginright-3*lftrght[i])){ if (snowingzone==1) {snow[i].posx=randommaker(marginright-snow[i].size)} if (snowingzone==2) {snow[i].posx=randommaker(marginright/2-snow[i].size)} if (snowingzone==3) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/4} if (snowingzone==4) {snow[i].posx=randommaker(marginright/2-snow[i].size)+marginright/2} snow[i].posy=0 } } var timer=setTimeout("movesnow()",50) } for (i=0;i<=snowmax;i++) { document.write("<span id='s"+i+"' style='position:absolute;top:-"+snowmaxsize+"'>"+snowletter+"</span>") } if (browserok) { window.onload=initsnow } // end --></script>

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