// 加载Json文档
LoadFunction=function(path,outFun,params){
	var conn=new Ext.data.Connection({
	  	autoAbort:false,
		method:'GET',
		timeout:3000,
		extraParams:params,
		url:path
	  });
	conn.request({
	  	success:function(response){
			eval(response.responseText);
			outFun();
		},
		failure:function(){
		exy_alert('提示','获取信息失败！');
		}
	  })
	};