var newtoken = "";

function newToken(callback,params){
	var url =GlobalVar.contextPath+"/NewToken.action";
	var pars="version="+(new Date()).valueOf()+"ajaxType=object&ajaxData=token|token";
	new Ajax.Executor(url,{method: 'post',
        parameters: pars,displayLoading:true,
        onComplete:function(transport){
        	newtoken = Ajax.Executor.ReturnObject['token'];
	        	if(newtoken!=''){
		        	callback(params);
		        }
        	}
        });
}