function change_img(idPic,idUrl,idBanner,varPic,varUrl,varAlt,ii,nn) 
{
	if (document.all) 
	{
		document.getElementById(idPic).filters[0].Apply();
		document.getElementById(idPic).filters[0].Play(duration = 2);
	}
	//eval('document.getElementById(idPic).src = '+ varPic + ii + 'src');
	//eval('document.getElementById(idUrl).href = '+varUrl + ii + 'src');
	//eval('document.getElementById(idPic).alt = '+varAlt + ii + 'alt');
	document.getElementById(idPic).src = eval(varPic + ii + 'src');
	document.getElementById(idUrl).href = eval(varUrl + ii + 'src');
	document.getElementById(idPic).alt = eval(varAlt + ii + 'alt');

	document.getElementById(idUrl).target = "_blank";
	document.getElementById(idUrl).style.cursor = "pointer";

	for ( var i = 1; i <= nn; i++) 
	{
		document.getElementById(''+idBanner + i).className = 'axx';
	}
	document.getElementById(''+idBanner + ii).className = 'bxx';
	ii++;
	if (ii > nn) 
	{
		ii = 1;
	}
	tt = setTimeout('change_img(\''+idPic+'\',\''+idUrl+'\',\''+idBanner+'\',\''+varPic+'\',\''+varUrl+'\',\''+varAlt+'\','+ii+','+nn+')', 10000);
}

//元素名称：m_n; tab_m_n
// idTable : 本table的名称标识
//count:交换的个数
function showtab(idTable,n,count,strCls){
  var $=jQuery;
	for(var i=1;i<=count;i++){
		if (i==n){
			$("#"+idTable+"_"+i+"_title").addClass(strCls);
			$("#"+idTable+"_"+i).show();
			}
		else {
			$("#"+idTable+"_"+i+"_title").removeClass(strCls);
			$("#"+idTable+"_"+i).hide();
			}
	}
}