86 lines
1.7 KiB
HTML
86 lines
1.7 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html>
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<head>
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<title>BoxMove</title>
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<style type='text/css'>
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#box {position:absolute; height:50px; width:50px; background-color:#ffff00}
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</style>
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<script type='text/javascript'>
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num=0
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function load() {
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if (self.innerHeight) {
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w=self.innerWidth
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h=self.innerHeight
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}
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else if (document.documentElement && document.documentElement.clientHeight) {
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w=document.documentElement.clientWidth
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h=document.documentElement.clientHeight
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}
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else if (document.body) {
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w=document.body.clientWidth
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h=document.body.clientHeight
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}
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top=Math.floor(Math.random()*(h-49))
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left=Math.floor(Math.random()*(w-49))
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atop=Math.floor(Math.random()*(h-top-50))
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aleft=Math.floor(Math.random()*(w-left-50))
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document.getElementById("box").style.top=top+"px"
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document.getElementById("box").style.left=left+"px"
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bleft=0
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cleft=0
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while (aleft>bleft) {
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bleft=bleft+cleft+1
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cleft=cleft+1
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}
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cleft=cleft-1
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btop=0
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ctop=0
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while (atop>btop) {
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btop=btop+ctop+1
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ctop=ctop+1
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}
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ctop=ctop-1
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}
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function action() {
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if (ctop>0 && cleft>0) {
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if (ctop>0) {
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ctop-=1
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top+=ctop
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}
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if (cleft>0) {
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cleft-=1
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left+=cleft
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}
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document.getElementById("box").style.top=top+"px"
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document.getElementById("box").style.left=left+"px"
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t=setTimeout("action()",50)
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}
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else {
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num++
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if (num==1) ifs=""
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else ifs="s"
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document.title="BoxMove :: Mouse over box to move it :: The box has now escaped "+num+" time"+ifs+"!"
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load()
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}
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}
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window.onload=function(){
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document.title+=" :: Mouse over box to move it"
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load()
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}
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</script>
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</head>
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<body>
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<div id='box' onmouseover='action()'></div>
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</body>
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</html>
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