/* Drastically adapted from: Cross browser cursor trailer script By Brian Caputo (bcaputo@icdc.com): by Antone Roundy */

C=document.layers;
B=document.addEventListener;
D=document.all;
ie5fix1=0;
ie5fix2=0;
if (startX == 0) { startX = 10; }
if (startY == 0) { startY = 10; }
imgString = '<a href="' + imgHref + '" target=_top><img src="' + imgSrc + '" width=' + imgW + ' height=' + imgH + ' border=0></a>';
MakeFollower("follower",startX,startY,imgW,imgH,imgString);
mouseX=0;
mouseY=0;

function MakeFollower(N,Xp,Yp,W,H,HT) {
	if (C) { document.write("<layer id='"+N+"' left="+Xp+" top="+Yp+" width="+W+" height="+H+">"+HT+"</layer>"); }
	else { document.write("<div id='"+N+"'"+" style='position:absolute;left:"+Xp+"; top:"+Yp+"; width:"+W+"; height:"+H+"'>"+HT+"</div>"); }
}

function getXpos(N) { return C?C[N].left:(D?D[N]:(document.getElementById(N)).style.left); }

function getYpos(N) { return C?C[N].top:(D?D[N]:(document.getElementById(N)).style.top); }

function MoveFollower(N,DX,DY) {
	co=C?C[N]:(D?D[N]:document.getElementById(N)).style;
	co.left=DX;
	co.top=DY;
}

function cycle() {
	//if (IE5) 
	if (D&&window.print){
		ie5fix1=document.body.scrollLeft;
		ie5fix2=document.body.scrollTop;
	}
	
	xPos=parseInt(getXpos("follower"));
	yPos=parseInt(getYpos("follower"));
	dist = Math.sqrt(((mouseX - xPos)*(mouseX-xPos))+((mouseY-yPos)*(mouseY-yPos)));
	if (dist<=moveAmt) {
		newX=mouseX;
		newY=mouseY;
	} else {
		newX=xPos+((mouseX-xPos)*(moveAmt/dist));
		newY=yPos+((mouseY-yPos)*(moveAmt/dist));
	}
	MoveFollower("follower",newX,newY);
}

function newPos(e){
	if (B) { event=e; }
	mouseX=(C)?e.pageX+2:event.clientX+ie5fix1;
	mouseY=(C)?e.pageY+2:event.clientY+ie5fix2;
}

if (document.getElementById || C) {
if (document.addEventListener) { document.addEventListener("mousemove",newPos, true);
} else if(document.captureEvents) { document.captureEvents(Event.MOUSEMOVE); }
document.onmousemove=newPos;
setInterval("cycle()",rate);
}