Imagem voando pela tela

<script language="JavaScript1.2"> <br /><br />var imagem="Coloque o nome do arquivo de imagem aqui"<br /><br />if (document.layers)<br /><br />{document.write("<layer name="'animacao'" left="10" top="10"><img src="'" /></layer>")}<br /><br />else if (document.all){document.write("<div id="'animacao'" style="'position:absolute;top:10px;left:10px;width:17px;height:22px;z-index:50'"><img src="'" /></div>")} <br /><br /><br /><br />conta=-1; <br /><br />move=1;<br /><br />function curva(){<br /><br />abc=new Array(0,1,1,1,2,3,4,0,6,-1,-1,-1,-2,-3,-4,0,-6)<br /><br />for (i=0; i < c="Math.round(Math.random()*[i])}" iniciar="abc[C];" ypos="10;" xpos="10;" movimento =" 60;" caminho="movimento+="iniciar;" y =" 4*Math.sin(caminho*Math.PI/180);" x =" 6*Math.cos(caminho*Math.PI/180);" top="ypos+window.pageYOffset;" left="xpos+window.pageXOffset;" top="ypos+document.body.scrollTop;" left="xpos+document.body.scrollLeft;" t="setTimeout('moveR()',50);">= window.innerWidth-40+window.pageXOffset)movimento=Math.round(Math.random()*45+157.5);<br /><br />if (document.animacao.top >= window.innerHeight-30+window.pageYOffset)movimento=Math.round(Math.random()*45-112.5);<br /><br />if (document.animacao.top <= 2+window.pageYOffset) movimento = Math.round(Math.random()*45+67.5);//OK! if (document.animacao.left <= 2+window.pageXOffset) movimento = Math.round(Math.random()*45-22.5);//OK! } else if (document.all) { if (document.all.animacao.style.pixelLeft >= document.body.offsetWidth-45+document.body.scrollLeft)movimento=Math.round(Math.random()*45+157.5);<br /><br />if (document.all.animacao.style.pixelTop >= document.body.offsetHeight-35+document.body.scrollTop)movimento=Math.round(Math.random()*45-112.5);<br /><br />if (document.all.animacao.style.pixelTop <= 2+document.body.scrollTop) movimento = Math.round(Math.random()*45+67.5);//OK! if (document.all.animacao.style.pixelLeft <= 2+document.body.scrollLeft) movimento = Math.round(Math.random()*45-22.5);//OK! } setTimeout('edges()',100); } function efeito(){ curva(); moveR();// onUnload="opener.gO()" edges(); } if (document.alldocument.layers) efeito() </script> </div>