var si=true;
var yes=true;
var weekTag;
var todayTag
function send_tag(val){
	if(yes){
		todayTag = document.getElementById("clouds_content").innerHTML;
		yes = false;
	}
	if(val == 1){
		document.getElementById("today").style.backgroundColor="#ffffff";
		document.getElementById("weekly").style.backgroundColor="#ECECEC";		
		document.getElementById("clouds_content").innerHTML = todayTag;
	}else{
		document.getElementById("weekly").style.backgroundColor="#ffffff";
		document.getElementById("today").style.backgroundColor="#ECECEC";
		if(si){
			xmlHttp=GetXmlHttpObject(); 
			var url='/index/tag_clouds_week.htm';
			xmlHttp.onreadystatechange=stateChanged_cloud; 
			xmlHttp.open('GET',url,true);
			xmlHttp.send(null);					
		}else{
			document.getElementById("clouds_content").innerHTML = weekTag;
		}
	}
}
function stateChanged_cloud() { 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=='complete'){ 
		weekTag = xmlHttp.responseText;
		document.getElementById("clouds_content").innerHTML = xmlHttp.responseText;
		si = false;	
	}	 
}
var clouds_num = 0;
var state=1;
var count_num=0;
function circle_clouds(){
	var Obj = document.getElementById("clouds_content");
	if(count_num>18){ 
		clearInterval(interval);
	}
	for(var i=(clouds_num);i<Obj.childNodes.length;i++){
		if(Obj.childNodes[i].nodeName=="SPAN"){
			if(state==2){
				state = 1;
				Obj.childNodes[i].style.backgroundColor = "#DBF0EB";
				clouds_num = i;
				break;
			}else{
				state = 2;
				Obj.childNodes[i].style.backgroundColor = "#ffffff";
			}
		}		
	}
	count_num++;
}