!function () {
	var z = window.zving = window.zving || {
		version : 2.1
	};
	var getcurrentscript = function (base) {
		if (document.currentscript) {
			return document.currentscript.src; //ff,chrome
		};
		var stack;
		try {
			a.b.c(); //强制报错,以便捕获e.stack
		} catch (e) { //safari的错误对象只有line,sourceid,sourceurl
			stack = e.stack;
			if (!stack && window.opera) {
				//opera 9没有e.stack,但有e.backtrace,但不能直接取得,需要对e对象转字符串进行抽取
				stack = (string(e).match(/of linked script \s+/g) || []).join(" ");
			}
		}
		if (stack) {
			stack = stack.split(/[@ ]/g).pop(); //取得最后一行,最后一个空格或@之后的部分
			stack = stack[0] === "(" ? stack.slice(1, -1) : stack.replace(/\s/, ""); //去掉换行符
			return stack.replace(/(:\d+)?:\d+$/i, ""); //去掉行号与或许存在的出错字符起始位置
		}
		var nodes = (base ? document : document.head).getelementsbytagname("script"); //只在head标签中寻找
		for (var i = nodes.length, node; node = nodes[--i]; ) {
			if (node.readystate === "interactive") {
				return node.src;
			}
		}
		var node=nodes[nodes.length - 1];
		return node.hasattribute ? node.src : node.getattribute("src", 4); 
	}

	var jspath = getcurrentscript(true);
	var scripts = document.getelementsbytagname('script'),
	script = document.currentscript || scripts[scripts.length - 1];

	z.jslibpath = jspath.substr(0, jspath.lastindexof('/') + 1);
	z.contextpath = script.getattribute('contextpath');
	z.config= { namespace: 'window' };

	if (z.jslibpath.indexof(location.protocol + '//' + location.host + '/') == 0) {
		z.jslibpath = z.jslibpath.replace(location.protocol + '//' + location.host, '');
	}
	//再外部没配置应用路径时才使用默认路径
	if(!z.contextpath){
		z.contextpath = z.jslibpath.replace(/[^\/]+\/?$/, '');
		if(z.contextpath.indexof('/preview/') != -1){
			z.contextpath=z.contextpath.substr(0,z.contextpath.indexof('preview/'));
		}
	}

	z.importjs = z.importjs = function(url) {
		if (!/^\/|^\w+\:\/\//.test(url)) {
			url = z.jslibpath + url;
		}
		document.write('<script type="text/javascript" src="' + url + '"><\/script>');
	};
	/**
	 异步加载css文件
	 url:css文件路径，相对于引用js框架的页面，如果要从js框架根目录开始引用需自行加上z.jslibpath
	 **/
	//往指定的同源页面窗口加载样式文件（求url为相对于win中页面的地址）
	z.loadcss = z.loadcss = function(url,win) {
			win=win&&z.iswindow(win)?win:window;
			var document=win.document;
			
			var head = document.getelementsbytagname('head')[0] || document.documentelement;
			if (document.createstylesheet) {//注意：ie11的不再支持document.createstylesheet
				document.createstylesheet(url);
			} else {
				var e = document.createelement('link');
				e.rel = 'stylesheet';
				e.type = 'text/css';
				e.href = url;
				head.appendchild(e);
			}
	};
	z.importcss = z.importcss = function(url,win) {
		win=win&&z.iswindow(win)?win:window;
		var document=win.document;
		
		if (!/^\/|^\w+\:\/\//.test(url)) {
			url = z.jslibpath + url;
		}
		if (!document.body || document.readystate == 'loading') {
			document.write('<link rel="stylesheet" type="text/css" href="' + url + '" />');
		} else {
			z.loadcss(url);
		}

	};
	z.importcss('zcms_components.css');
	z.importjs('common.min.js');

}();