function refreshSellerstatus(){
	var number = Math.random();
	var sellerids = "";
	for(var key in sellers){
		sellerids += key.split("@@@")[0] + "@@";
	}
	sendHttpRequest('/sellerstatusRefresh.do?sellerids=' + sellerids + '&num=' + number, function(){
		if(isHttpRequestReady()){
			var data = defaultHttpRequest.responseText;
			var onlineseller = data.split(",");
			
			var index = 0;
			
			for(var sellerid in sellers){
				var split = sellerid.split("@@@");
				
				if(data.indexOf(split[0]) != -1){
					$(".sellerstatus" + split[0] + index).each(function(){
						var url = '/imopen--'
							+ '' + split[0]
							+ '--' + split[1]
							+ '----'//traderid and tradername
							+ '--buyerid_sellerid'//flag
							+ '--1'//messagetype
							+ '--1'//sendflag
							+ '--' + split[2]
							+ '--.html';
							
							 
						var link = "<a href=\""+url+"\" target=\"_blank\">";
							link += "<img src=\"http://image.linkchina.com/buyer/im_online.gif\" alt=\"online\" title=\"online\"/>";
							link += "</a>";
						this.innerHTML = link;
					});
				}else{
					$(".sellerstatus" + split[0] + index).each(function(){
						var link = "<a href=\""+split[3]+"#message\" target=\"_blank\">";
							link += "<img src=\"http://image.linkchina.com/buyer/im_online.gif\" alt=\"online\" title=\"online\"/>".replace(new RegExp("online","gm"), "offline");
							link += "</a>";
						this.innerHTML = link;
					});
				}
				
				index ++ ;
			}
		}
	});
}
refreshSellerstatus();
setInterval('refreshSellerstatus()', 300000);