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IMAGE VOLANTE

DEMONSTRATION

LE CODE JAVASCRIPT : IMAGE VOLANTE

<script language="VBScript">
on error resume next
if parent.navButtonStatus <> 3 then
	if err.number <> 0 then
		call parent.ThereIsAnError
	end if
end if 
</script>
<script language="JavaScript">

//Par Dylan Coldblatt
//Scripts gratuits sur lecodejava.com

var yend;
	var ystart;
	var ydiff;
	var xincrement;
	var yincrement;
	var screenwidth;
	var screenheight;

function Ypick(){

if (!document.all)
   return
	screenwidth = screensize.offsetWidth;
	screenheight = screensize.offsetHeight;
	xincrement = (screenwidth/10);
	ystart = Math.round(Math.random()*(screenheight-92));
	yend = Math.round(Math.random()*(screenheight-92));
	document.all.ball.style.top=ystart;
	document.all.ball.style.left=-100;
	if (ystart > yend){
		ydiff = (ystart-yend);
		yincrement = (ydiff/xincrement);
		Moveneg();
	}
	else {
		ydiff = (yend-ystart);
		yincrement = (ydiff/xincrement);
		Movepos();
	}
}	
function Moveneg(){
	if (screenwidth > parseInt(document.all.ball.style.left)) {
        with (document.all.ball) {
		style.left = parseInt(style.pixelLeft + 10);
		style.top = parseInt(style.pixelTop - yincrement);
		}
        setTimeout('Moveneg()',20);
    }
	else {
		with (document.all.ball) {
		style.left = parseInt(style.pixelLeft - screenwidth);
		style.top = parseInt(style.pixelTop - yend);
		}
		Ypick();
	}
}
function Movepos(){
	if (screenwidth > parseInt(document.all.ball.style.left)) {
        with (document.all.ball) {
		style.left = parseInt(style.pixelLeft + 10);
		style.top = parseInt(style.pixelTop + yincrement);
		}
        setTimeout('Movepos()',20);
    }
	else {
		with (document.all.ball) {
		style.left = parseInt(style.pixelLeft - screenwidth);
		style.top = parseInt(style.pixelTop - yend);
		}
		Ypick();
	}
}
</script>
<div id="screensize" style="position: absolute; top: 0; left: 0; height: 100%; width: 100%"></div>
<p><img id="ball" SRC="http://www.lecodejava.com/puppy.gif" style="container:in-flow;position:relative;left:-100;top:0;visibility:show">

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