Free raining graphic javascript rain effect

RAINY AFTERNOON EFFECT

This script has been tested on and shown to work with the following browsers: Internet Explorer version 7 and above Google Chrome version 4 and above Mozilla Firefox version 2 and above Apple Safari version 5 and above Opera version 9 and above (including Opera mobile) Android Browser version 3 and above

20-Jun-2013: Support for Internet Explorer 10 added. 15-Nov-2011: First release.
STEP 1: Copy and paste the code below so that it sits between the <head> and </head> tags at the top of your web-page: <script type="text/javascript"> // <![CDATA[ var speed=33; // lower number for faster var drops=100; // number of 'drops' var colour="#999"; // colour of drops (generally grey!) /**************************\ Rainy Afternoon Effect * (c)2011-13 mf2fm web-design * http://www.mf2fm.com/rv * * DON'T EDIT BELOW THIS BOX * \**************************/ var flks=new Array(); var flkx=new Array(); var flky=new Array(); var fldy=new Array(); var swide, shigh, boddie; var ie_version=(navigator.appVersion.indexOf("MSIE")!=-1)?parseFloat(navigator.appVersion.split("MSIE")[1]):false; function addLoadEvent(funky) { var oldonload=window.onload; if (typeof(oldonload)!='function') window.onload=funky; else window.onload=function() { if (oldonload) oldonload(); funky(); } } addLoadEvent(storm); function storm() { if (document.getElementById) { var r1, r2; boddie=document.createElement("div"); boddie.style.position="fixed"; boddie.style.top="0px"; boddie.style.left="0px"; boddie.style.width="1px"; boddie.style.height="1px"; boddie.style.overflow="visible"; boddie.style.backgroundColor="transparent"; document.body.appendChild(boddie); set_width(); for (var i=0; i<drops; i++) { flks[i]=createDiv(16, 2, "transparent"); r1=createDiv(6, 2, colour); r1.style.top="10px"; r1.style.left="0px"; flks[i].appendChild(r1); r2=createDiv(10, 2, colour); r2.style.top="0px"; r2.style.left="0px"; if (ie_version && ie_version<10) r2.style.filter="alpha(opacity=25)"; else r2.style.opacity=0.25; flks[i].appendChild(r2); flkx[i]=2Math.floor(Math.random()swide/2); flky[i]=Math.floor(Math.random()shigh); fldy[i]=2+Math.floor(Math.random()4); flks[i].style.left=flkx[i]+"px"; flks[i].style.top=flky[i]+"px"; boddie.appendChild(flks[i]); } setInterval("cats_and_dogs()", speed); }} function createDiv(height, width, colour) { var div=document.createElement("div"); div.style.position="absolute"; div.style.height=height+"px"; div.style.width=width+"px"; div.style.overflow="hidden"; div.style.backgroundColor=colour; return (div); } window.onresize=set_width; function set_width() { var sw_min=999999; var sh_min=999999; if (document.documentElement && document.documentElement.clientWidth) { sw_min=document.documentElement.clientWidth; sh_min=document.documentElement.clientHeight; } if (typeof(self.innerWidth)!="undefined" && self.innerWidth) { if (self.innerWidth<sw_min) sw_min=self.innerWidth; if (self.innerHeight<sh_min) sh_min=self.innerHeight; } if (document.body.clientWidth) { if (document.body.clientWidth<sw_min) sw_min=document.body.clientWidth; if (document.body.clientHeight<sh_min) sh_min=document.body.clientHeight; } if (sw_min==999999 \|\| sh_min==999999) { sw_min=800; sh_min=600; } swide=sw_min-2; shigh=sh_min; } function cats_and_dogs(c) { var i, x, o=0; for (i=0; i<drops; i++) { flky[i]+=fldy[i]; if (flky[i]>=shigh-16) { flky[i]=-16; fldy[i]=2+Math.floor(Math.random()4); flkx[i]=2Math.floor(Math.random()swide/2); flks[i].style.left=flkx[i]+"px"; } flks[i].style.top=flky[i]+"px"; } } // ]]> </script> CLICK HERE to select the above script ready to paste it into your clipboard
STEP 2: Change the colour (and other parameters) at the start of the script you just copied to the settings you require (grey rain is normal but blue can be fun, or any other colour for that matter).
THAT'S IT When your page loads, it should start raining, just like it is on this page, which looks like a very wet weekend in Blackpool.

Copyright notice: All scripts are © copyright mf2fm.com. You can use them wherever and whenever you wish, however the copyright notice at the start of the script should remain intact and a link back to this page would be appreciated. The address for this page is: http://www.mf2fm.com/rv/dhtmlrain.php.

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