// JavaScript Document
function changenav(id,src){
	document.getElementById(id).src=src;
}

function startRequest(url,showplace)
{
	var xmlHttp=null;
	if (window.ActiveXObject) 
	{
			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if (window.XMLHttpRequest) 
	{
			xmlHttp = new XMLHttpRequest();                
	}
	xmlHttp.onreadystatechange=function startCallback()
	{
	   if(xmlHttp.readyState==4)
	   {
		 if(xmlHttp.status==200)
		 {
		 document.getElementById(showplace).innerHTML=xmlHttp.responseText;
		 }
	   }
	};
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
function showtab(id,cid,i){
	for(var j=1;j<=i; j++){
		document.getElementById("tab"+j).className="oldli";
		document.getElementById("con"+j).className="hiddcon";
	}
	document.getElementById(id).className="t_li";
	document.getElementById(cid).className="showcon";
}