var index = {
	tab:function(Obj,num){
		
		this.init();
		Obj.className = "current";
		var dd = Obj.parentNode.nextSibling;
		while(dd.nodeType == 3){
			dd = dd.nextSibling;
		}
		dd.style.display = "block";
		
	},
	init:function(){
		var dt = document.getElementById("TOPICS").getElementsByTagName("dt");
		var dd = document.getElementById("TOPICS").getElementsByTagName("dd");
		var dt_ln = dt.length;
		for(var i=0;i<dt_ln;i++){
			if(dd[i].getElementsByTagName("div").length != 0){
				dt[i].getElementsByTagName("a")[0].className = "";
				dd[i].style.display = "none";
			}
		}
	}
}

/*

	RSS Reader

======================================================*/

function Index_Rss(URL,ID){
	var XMLReQ = XMLRequest();
	var domain = document.domain;
	var protocol = location.protocol;
	var URL = protocol + "//" + domain + URL +"?"+ Math.random();
	
	
	if(XMLReQ){
		XMLReQ.open("GET",URL,true);
		XMLReQ.send(null);
		XMLReQ.onreadystatechange = function(){
			if(XMLReQ.readyState == 4 && XMLReQ.status == 200){
				var XMLData = XMLReQ.responseXML;
				Set_OBJ(XMLData);
			}
		};
	}else{
	}
	
	
	function XMLRequest(){
		try{
			return new XMLHttpRequest();
		}catch(e){
			try{
				return new ActiveXObject("Msxml2.XMLHTTP");
			}catch(e){
				try{
					return new ActiveXObject("Microsoft.XMLHTTP");
				}catch(e){
					return null;
				}
			}
		}
	}
	
	function Set_OBJ(XMLData){
		item_data = XMLData.getElementsByTagName("feed")[0].getElementsByTagName("entry");
		var length = item_data.length;
	
		for(i=0;i<length;i++){
			var Dt = document.createElement("dt");
			var Dd = document.createElement("dd");
			var A = document.createElement("a");
			var date = item_data[i].getElementsByTagName("published")[0].firstChild.nodeValue;
			date = date.split("T");
			date = date[0].replace(/-/g,"/")
			Dt.innerHTML = date;
			if(item_data[i].getElementsByTagName("blank")[0].firstChild && item_data[i].getElementsByTagName("blank")[0].firstChild.nodeValue == 1){
				if(item_data[i].getElementsByTagName("url")[0].firstChild.nodeValue == "http://"){
					Dd.innerHTML += item_data[i].getElementsByTagName("title")[0].firstChild.nodeValue;
				}else{
					A.href = item_data[i].getElementsByTagName("url")[0].firstChild.nodeValue;
					A.target = "_blank";
					A.innerHTML += item_data[i].getElementsByTagName("title")[0].firstChild.nodeValue;
					Dd.appendChild(A);
					Dd.innerHTML += '<img height="12" width="15" alt="外部リンク" src="/common/img/blank.gif"/>';
				}
			}else{
				A.href = item_data[i].getElementsByTagName("link")[0].getAttribute("href");
				A.innerHTML += item_data[i].getElementsByTagName("title")[0].firstChild.nodeValue;
				Dd.appendChild(A);
			}
			
			document.getElementById(ID).appendChild(Dt);
			document.getElementById(ID).appendChild(Dd);
		}
			
	}
	
}