var handleSuccess = function(o){
	
	window.location.replace(o.responseText);
		
};

var handleFailure = function(o){
		//alert("there are system issue ,please contact adminstrator");
};

var callback =
{
  success:handleSuccess,
  failure:handleFailure,
  argument:['foo','bar']
};


function logout(weburl)    
{
	
	//var iweburl=document.getElementById("weburl");

	var sUrl = weburl+"/member.php?action=logout";
	var postData = "weburl="+weburl;
	
	var request = YAHOO.util.Connect.asyncRequest('POST', sUrl, callback, postData);
	
	
	
}