var outer,inner1,inner2,elementwidth,outerwidth;
var w3c=(document.getElementById)?true:false;
var ns4=(document.layers)?true:false;
var ie4=(document.all && !w3c)?true:false;
var ie5=(document.all && w3c)?true:false;
var ns6=(w3c && navigator.appName.indexOf("Netscape")>=0)?true:false;
var speed=90;
var pixelstep=2;
var ImgPreload = null;
var TotalTopImgWidth = 0;

function getElWidth(el){
	if(ns4)return (el.document.width)? el.document.width : el.clip.right-el.clip.left;
	else if(ie4||ie5)return (el.style.width)? el.style.width:el.clientWidth;
	else if(w3c)return (el.style.width)?parseInt(el.style.width):parseInt(el.offsetWidth);
	else return -1;
}

function scrollheader() {
	if(ns4){
		inner1.left -= pixelstep;
		inner2.left -= pixelstep;
		if( inner1.left < -elementwidth ) {
			inner1.left = inner2.left+elementwidth;
		}
		if( inner2.left < -elementwidth ) {
			inner2.left = inner1.left+elementwidth;
		}
	}else{
		inner1.style.left=(parseInt(inner1.style.left)-pixelstep)+'px';
		inner2.style.left=(parseInt(inner2.style.left)-pixelstep)+'px';
		if( parseInt(inner1.style.left) < -elementwidth ) {
			inner1.style.left = (parseInt(inner2.style.left)+elementwidth)+'px';
		} else
		if( parseInt(inner2.style.left) < -elementwidth ) {
			inner2.style.left = (parseInt(inner1.style.left)+elementwidth)+'px';
		}
	}
}

function StartScroll(){
	outer=document.getElementById('outer');
	inner1=document.getElementById('inner1');
	inner2=document.getElementById('inner2');
	if( ImgPreload != null ) {
		inner1.style.width = ImgPreload.TotalWidth+'px';
		inner2.style.width = ImgPreload.TotalWidth+'px';
	} else {
		inner1.style.width = TotalTopImgWidth+'px';
		inner2.style.width = TotalTopImgWidth+'px';
	}
	elementwidth=parseInt(getElWidth(inner1));
	
	if(ns4){
		inner2.left = parseInt(getElWidth(inner1))+'px';
	}else{
		inner2.style.left = parseInt(getElWidth(inner1))+'px';
	}
	outerwidth=parseInt(getElWidth(outer));
	setInterval('scrollheader()',speed);
}

function StartScroll2(){
	outer=document.getElementById('outer');
	inner1=document.getElementById('inner1');
	inner2=document.getElementById('inner2');
	elementwidth=parseInt(getElWidth(inner1));
	outerwidth=parseInt(getElWidth(outer));
	setInterval('scrollheader()',speed);
}