// Wandering Hearts Script
// copyright Stephen Chapman, 27th January 2006
// you may copy this script provided that you retain the copyright notice

function start() {
ha = new heart(0,0,'heart0');
hb = new heart(pageWidth()-objWidth('heart1'),0,'heart1');
mover();
}
function moveit() {
ha.moveit();
hb.moveit();
}

// no changes required below
var aDOM = 0, ieDOM = 0, nsDOM = 0; var stdDOM = document.getElementById;if (stdDOM) aDOM = 1; else {ieDOM = document.all; if (ieDOM) aDOM = 1; else {var nsDOM = ((navigator.appName.indexOf('Netscape') != -1)&& (parseInt(navigator.appVersion) ==4)); if (nsDOM) aDOM = 1;}}function xDOM(objectId, wS) {if (stdDOM) return wS ? document.getElementById(objectId).style:document.getElementById(objectId);if (ieDOM) return wS ? document.all[objectId].style: document.all[objectId];if (nsDOM) return document.layers[objectId];}function objWidth(objectID) {var obj = xDOM(objectID,0); if(obj.offsetWidth) return obj.offsetWidth; if (obj.clip) return obj.clip.width; return 0;}function objHeight(objectID) {var obj = xDOM(objectID,0); if(obj.offsetHeight) return obj.offsetHeight; if (obj.clip) return obj.clip.height; return 0;}function objLeft(objectID) {var obj = xDOM(objectID,0);var objs = xDOM(objectID,1);  if(objs.left) return objs.left; if (objs.pixelLeft) return objs.pixelLeft; if (obj.offsetLeft) return obj.offsetLeft; return 0;}function objTop(objectID) {var obj = xDOM(objectID,0);var objs = xDOM(objectID,1);  if(objs.top) return objs.top; if (objs.pixelTop) return objs.pixelTop; if (obj.offsetTop) return obj.offsetTop; return 0;}function setObjVis(objectID,vis) {var objs = xDOM(objectID,1); objs.visibility = vis;}function moveObjTo(objectID,x,y) {var objs = xDOM(objectID,1); objs.left = x; objs.top = y;}function pageWidth() {return window.innerWidth != null? window.innerWidth: document.body != null? document.body.clientWidth:null;}function pageHeight() {return window.innerHeight != null? window.innerHeight: document.body != null? document.body.clientHeight:null;}function posLeft() {return typeof window.pageXOffset != 'undefined' ? window.pageXOffset:document.documentElement.scrollLeft? document.documentElement.scrollLeft:document.body.scrollLeft? document.body.scrollLeft:0;}function posTop() {return typeof window.pageYOffset != 'undefined' ? window.pageYOffset:document.documentElement.scrollTop? document.documentElement.scrollTop: document.body.scrollTop?document.body.scrollTop:0;}function mover() {moveit(); setTimeout('this.mover()',25);}function distance(s,e) {return Math.abs(s-e)}function direction(s,e) {return s>e?-1:1}function rate(a,b) {return a<b?a/b:1}function heart(x,y,obj) {this.xxx = x; this.yyy = y;this.dist = this.distX = this.distY = 0;this.stepx = 2;this.stepy = 2;this.obj = obj;this.nextEnd();this.moveit();setObjVis(this.obj,'visible');}heart.prototype.nextEnd = function() {var eX = Math.floor(Math.random()* (pageWidth()-objWidth(this.obj)));var eY = Math.floor(Math.random()* (pageHeight()-objHeight(this.obj)));this.dist = this.distX = distance(this.xxx,eX);this.distY = distance(this.yyy,eY);this.stepx = 2 * direction(this.xxx,eX) * rate(this.distX,this.distY);this.stepy = 2 * direction(this.yyy,eY) * rate(this.distY,this.distX);}; heart.prototype.moveit = function() {if (this.dist > 0) {this.xxx += this.stepx;this.yyy += this.stepy;this.dist -= Math.abs(this.stepx);}else {this.nextEnd();}var x = (posLeft()+this.xxx);var y = (posTop()+this.yyy);moveObjTo(this.obj,x,y);}

window.onload = start;
window.onscroll = moveit;