function coreLiChg(aLi,tempUrl){
	var navid1 = aLi.parent().attr("nav");
	var navid2 = aLi.attr("nav");
	var tempfile = window.location.href;	
	var timetmp = "";
	if(window.timestamp){ timetmp = window.timestamp; }
	if(typeof(tempUrl) == "undefined"){
		tempUrl = "";
	}
	if(tempUrl !=""){
		tempfile = tempUrl;
	}
	var arr_path, arr_path2;
	if(navid1!="" && navid2!=""){
		try{
			arr_path = tempfile.split("/");
			tempfile = arr_path[arr_path.length-1];
			arr_path2 = tempfile.split(".");		
			//alert(arr_path2[0]+"_"+navid1+"_"+navid2+".html");
			tempfile = "../product-center/coreHtmls/"+arr_path2[0]+"_"+navid1+"_"+navid2+".html?ver="+ timetmp;
			$.ajax({
				url:tempfile,
				cache:false,
				success:function(r){
					if(r!=""){
						$("#coreshow").html("");
						$("#coreshow").html(r);
					}
				}
			});
		}catch(e){}
	}
}