// 加载Json文档
LoadSimple=function(path,outFun,params){
	exy_wait();
	var conn=new Ext.data.Connection({
	  	autoAbort:false,
		method:'GET',
		timeout:30000,
		extraParams:params,
		url:path
	  });
	conn.request({
	  	success:function(response){
			var json_data=eval('('+response.responseText+')');
			Ext.MessageBox.hide();
			outFun(json_data);
		},
		failure:function(){
		exy_alert('提示','获取信息超时或失败，请刷新页面后重试！');
		}
	  })
	};