var Sleft;
var Stop=17+146+25;
var Swidth=577;
var Sheight=96;
var d2x=10;
var timer;
var onscale=0;

function setradio2(){
	Sleft=document.getElementById('scale').offsetLeft;
}

function setradio(){
	setradio2();
	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1))) {
		document.onmousemove=followmouse; 
		window.onresize=setradio2;
	}
}



	
function gettrailobj(){
if (document.getElementById)
return document.getElementById("marker").style
}

function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById("marker")
}


function truebody(){
return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}


/*function hidetrail(){	
	//gettrailobj().backgroundPosition = "130px 0px";
	document.onmousemove=""
	clearTimeout(timer);
}

function show2(){
	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1))) {
		document.onmousemove=followmouse; 
	}
}

function showtrail(){
	timer = setTimeout("show2();",200);
}
*/

function followmouse(e){

	var xc=0;
	var yc=0;
	var xcoord=0;
	
	if (typeof e != "undefined"){
		
		xc = e.pageX;
		yc = e.pageY;
	
	} else if (typeof window.event != "undefined"){
		
		xc = event.clientX + truebody().scrollLeft;
		yc = truebody().scrollTop + event.clientY;
	}
	
	xcoord=xc-Sleft;
	
	if((xc>Sleft) && (xc<Sleft+Swidth) && (yc>Stop) && (yc<Stop+Sheight) ){
		onscale=1;
		if(xcoord<d2x){
			xcoord=d2x;
		}
		if(xcoord>Swidth-2*d2x){
			xcoord=Swidth-2*d2x;
		}
		gettrailobj().backgroundPosition = xcoord+"px 0px";
	}else if(onscale){
		onscale=0;
		gettrailobj().backgroundPosition = curX+"px 0px";
	}
}