function init_fly(n)
{
	Ypos=new Array();
	Xpos=new Array();
	Speed=new Array();
	grphcs=new Array(n); 
	ar=new Array(n);
	document.write('<div style="position:absolute;top:0px;left:0px"><div style="position:relative">');
}

function add_fly(pos,speed,src)
{
	var i=Ypos.length;
	Ypos[i]=pos;
	Speed[i]=speed;
	ar[i]=new Image();
	ar[i].src=grphcs[i]=src;
	document.write('<img id="si'+i+'" src="'+grphcs[i]+'" style="position:absolute;top:'+pos+'px;">');
	Xpos[i] =window.document.body.clientWidth;
}
	
function start_fly()
{
document.write('</div></div>');
}

function fly(){
var WinHeight=window.document.body.clientHeight;
var WinWidth=window.document.body.clientWidth;

for (i=0; i < ar.length; i++){
	sx = Speed[i]*2;
	Xpos[i]-=sx; 
	if (Xpos[i] < -ar[i].width)
	{
		Xpos[i]=window.document.body.clientWidth;
	}
	document.getElementById("si"+i).style.left=Xpos[i];
}

setTimeout('fly()',20);
}