<script type="text/javascript">
// <![CDATA[
var speed=40; // lower number for faster animation
var colour="#ff0000"; // colour of weed
var fronds=6; // how many fronds of seaweed, the more there are the slower the script runs
var flength=0.66; // maximum height of the fronds compared to the screen height. 0.5 is half way to the top
var fobble=6; // how much do the fronds wobble (8 is about the maximum sensible)
var girth=40; // how thick are the fronds in pixels
/***************************\
* Slithery Seaweed Effect *
*(c)2012-12 mf2fm web-design*
* http://www.mf2fm.com/rv *
* DON'T EDIT BELOW THIS BOX *
\***************************/
var fron=new Array();
var frox=new Array();
var frod=new Array();
var frop=new Array();
var froa=new Array();
var frob=new Array();
var swide, shigh;
function addLoadEvent(funky) {
var oldonload=window.onload;
if (typeof(oldonload)!='function') window.onload=funky;
else window.onload=function() {
if (oldonload) oldonload();
funky();
}
}
addLoadEvent(slither);
function inArray(needle, haystack) {
var i;
for (i=0; i<haystack.length; i++) {
if (haystack[i]==needle) return true;
}
return false;
}
function slither() { if (document.getElementById) {
var i, f, w, x=new Array();
set_width();
for (f=0; f<fronds; f++) {
fron[f]=new Array();
frod[f]=new Array();
frox[f]=new Array();
frop[f]=0;
froa[f]=0.03+0.03*Math.random();
do { i=Math.floor(girth/2*(2+Math.floor(2*(swide/girth-4)*Math.random()))); }
while ( inArray(i, x) )
x[f]=i;
frob[f]=createDov(x[f]);
document.body.appendChild(frob[f]);
}
for (f=0; f<fronds; f++) {
h=Math.floor(shigh/2*flength*(0.66+0.33*Math.random()));
for (i=0; i<=h; i++) {
w=2*Math.floor(girth/2*Math.sin(2.2*i/h));
frod[f][i]=0;
frox[f][i]=Math.floor(girth-w/2);
fron[f][i]=createDuv(w, frox[f][i], -2*(i-h));
frob[f].appendChild(fron[f][i]);
}
wavy_seaweed(f, i);
}
}}
function createDov(left) {
var d, s;
d=document.createElement("div");
s=d.style;
s.position="fixed";
s.bottom="0px";
s.left=left+"px";
s.overflow="visible";
s.width=2*girth+"px";
s.height=swide*flength+"px";
s.backgroundColor="transparent";
s.zIndex="998";
if (navigator.appName!="Microsoft Internet Explorer") s.opacity="0.66";
return (d);
}
function createDuv(width, left, bottom) {
var d, s;
d=document.createElement("div");
s=d.style;
s.position="absolute";
s.height="2px";
s.width=width+"px";
s.left=left+"px";
s.bottom=bottom+"px";
s.overflow="hidden";
s.backgroundColor=colour;
if (navigator.appName=="Microsoft Internet Explorer") s.filter="alpha(opacity=66)";
return (d);
}
function wavy_seaweed(f, h) {
var i, x, s;
s=h*h/fobble;
frod[f][h-2]=Math.sin(frop[f]);
fron[f][h-2].style.left=frox[f][h-2]+frod[f][h-2]+"px";
frop[f]+=froa[f]+Math.random()*0.005;
if (Math.random()>.95) {
froa[f]=froa[f]-0.015+0.03*Math.random();
if (froa[f]<0.03) froa[f]=0.03;
if (froa[f]>0.08) froa[f]=0.08;
}
for (i=0; i<h-2; i++) {
x=(1+i/s)*frod[f][i+1];
if (Math.floor(x)!=Math.floor(frod[f][i])) fron[f][i].style.left=frox[f][i]+Math.floor(x)+"px";
frod[f][i]=x;
}
setTimeout('wavy_seaweed('+f+','+h+')', speed);
}
window.onresize=set_width;
function set_width() {
var sw_min=999999;
var sh_min=999999;
if (document.documentElement && document.documentElement.clientWidth) {
if (document.documentElement.clientWidth>0) sw_min=document.documentElement.clientWidth;
if (document.documentElement.clientHeight>0) sh_min=document.documentElement.clientHeight;
}
if (typeof(self.innerWidth)=='number' && self.innerWidth) {
if (self.innerWidth>0 && self.innerWidth<sw_min) sw_min=self.innerWidth;
if (self.innerHeight>0 && self.innerHeight<sh_min) sh_min=self.innerHeight;
}
if (document.body.clientWidth) {
if (document.body.clientWidth>0 && document.body.clientWidth<sw_min) sw_min=document.body.clientWidth;
if (document.body.clientHeight>0 && 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;
shigh=sh_min;
}
// ]]>
</script>
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