/*
 *	首页业绩滚动
 *	Cole modify:04/18/2009
*/

var browse	= window.navigator.appName.toLowerCase();
var MyMar;
var speed	= 1;	//速度，越大越慢
var spec	= 1;	//每次滚动的间距, 越大滚动越快
var spa		= 18;	//缩略图区域补充数值
var w		= 0;

spec		= (browse.indexOf("microsoft") > -1) ? spec : ((browse.indexOf("opera") > -1) ? spec * 10 : spec * 20);

function $(e)
{
	return document.getElementById(e);
}

function goleft()
{
	$('photos').scrollLeft -= spec;
}

function goright()
{
	$('photos').scrollLeft += spec;
}


function picRun()
{
    var p = $('showArea').getElementsByTagName('img');

	for (var i = 0; i < p.length; i++)
	{
		w += parseInt(p[i].getAttribute('width')) + spa;
    }
	
    $('showArea').style.width	= (parseInt(w) + 10) + 'px';
	$('goleft').onmouseover		= function() {MyMar = setInterval(goleft, speed);}
	$('goleft').onmouseout		= function() {clearInterval(MyMar);}
	$('goright').onmouseover	= function() {MyMar = setInterval(goright, speed);}
	$('goright').onmouseout		= function() {clearInterval(MyMar);}
}

//事件侦听
if(window.attachEvent)
{
	window.attachEvent("onload", picRun);
}

if(window.addEventListener)
{
	window.addEventListener("load", picRun, false);
}