var viewADid = 1;//广告的编号
var objcount = 2;//广告总数
var viewTime = 5;//秒
function viewAD(obj)
{
	for (i=1;i<=objcount;i++)
	{
		GetElement('pic_'+i).style.display="none";
		GetElement('btn_'+i).style.background="#FFF999";
		GetElement('btn_'+i).style.fontWeight="";
	}
	GetElement('pic_'+obj).style.display="block";
	GetElement('btn_'+obj).style.background="#FDD99B";
	GetElement('btn_'+obj).style.fontWeight="bold";
}
function autoView()
{
	viewADid += 1;
	if (viewADid >objcount){viewADid=1}
	viewAD(viewADid.toString());
}
function GetElement(ElementId)
{
	return window.document.getElementById(ElementId);
}