Compatibilité avec firefox
bonjour a tous,
j'ai trouvé un script qui permet de faire promener une image a l'écran, le probleme est que sous firefox l'image est fixe...
voici le script :
Code:
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| <HEAD>
<script>
// Moving Objects Script by Virtual_Max (<a href="http://www.geocities.com/siliconvalley/lakes/8620" target="_blank">http://www.geocities.com/siliconvalley/lakes/8620</a>)
// Permission to use and distribute this software and its documentation for non-commercial
// purposes and without fee is hereby granted provided that this notice appears in all copies.
var brOK=false;
var mie=false;
var aver=parseInt(navigator.appVersion.substring(0,1));
var aname=navigator.appName;
function checkbrOK()
{if(aname.indexOf("Internet Explorer")!=-1)
{if(aver>=4) brOK=navigator.javaEnabled();
mie=true;
}
if(aname.indexOf("Netscape")!=-1)
{if(aver>=4) brOK=navigator.javaEnabled();}
}
var vmin=2;
var vmax=5;
var vr=2;
var timer1;
function Chip(chipname,width,height)
{this.named=chipname;
this.vx=vmin+vmax*Math.random();
this.vy=vmin+vmax*Math.random();
this.w=width;
this.h=height;
this.xx=0;
this.yy=0;
this.timer1=null;
}
function movechip(chipname)
{
if(brOK)
{eval("chip="+chipname);
if(!mie)
{pageX=window.pageXOffset;
pageW=window.innerWidth;
pageY=window.pageYOffset;
pageH=window.innerHeight;
}
else
{pageX=window.document.body.scrollLeft;
pageW=window.document.body.offsetWidth-8;
pageY=window.document.body.scrollTop;
pageH=window.document.body.offsetHeight;
}
chip.xx=chip.xx+chip.vx;
chip.yy=chip.yy+chip.vy;
chip.vx+=vr*(Math.random()-0.5);
chip.vy+=vr*(Math.random()-0.5);
if(chip.vx>(vmax+vmin)) chip.vx=(vmax+vmin)*2-chip.vx;
if(chip.vx<(-vmax-vmin)) chip.vx=(-vmax-vmin)*2-chip.vx;
if(chip.vy>(vmax+vmin)) chip.vy=(vmax+vmin)*2-chip.vy;
if(chip.vy<(-vmax-vmin)) chip.vy=(-vmax-vmin)*2-chip.vy;
if(chip.xx<=pageX)
{chip.xx=pageX;
chip.vx=vmin+vmax*Math.random();
}
if(chip.xx>=pageX+pageW-chip.w)
{chip.xx=pageX+pageW-chip.w;
chip.vx=-vmin-vmax*Math.random();
}
if(chip.yy<=pageY)
{chip.yy=pageY;
chip.vy=vmin+vmax*Math.random();
}
if(chip.yy>=pageY+pageH-chip.h)
{chip.yy=pageY+pageH-chip.h;
chip.vy=-vmin-vmax*Math.random();
}
if(!mie)
{eval('document.'+chip.named+'.top ='+chip.yy);
eval('document.'+chip.named+'.left='+chip.xx);
}
else
{eval('document.all.'+chip.named+'.style.pixelLeft='+chip.xx);
eval('document.all.'+chip.named+'.style.pixelTop ='+chip.yy);
}
chip.timer1=setTimeout("movechip('"+chip.named+"')",100);
}
}
function stopme(chipname)
{if(brOK) {
eval("chip="+chipname);
if(chip.timer1!=null)
{clearTimeout(chip.timer1)}
}
}
</script><script>
var chip1;
function pagestart(){
checkbrOK();
chip1=new Chip("chip1",63,72);
if(brOK) {
movechip("chip1");
}
}
</script>
</HEAD>
<BODY onLoad="pagestart();"
onUnload="if(brOK) {stopme('chip1');}">
<div ID="chip1" STYLE="position:absolute; width:63; height:72;"><a HREF="http://acestgratuit.free.fr/scripts_dhtml/image10.htm">
<dd><img SRC="http://acestgratuit.free.fr/scripts_dhtml/FLY.gif" BORDER="0" WIDTH="72" HEIGHT="63"></a></dd>
</div>
</BODY> |
quelqu'un aurai-t-il une solution et si possible expliquer d'ou vient le problème car j'aimerai bien progresser en programmation dhtml...
merci d'avance !
