// hacked version of rick stahls creation who got it from ejohn
// http://www.west-wind.com/Weblog/posts/509108.aspx

(function() {
    var _tmplCache = {}

    this.template = function template(str, data) {
        /// <summary>
        /// Client side template parser that uses &lt;#= #&gt; and &lt;# code #&gt; expressions.
        /// and # # code blocks for template expansion.
        /// NOTE: chokes on single quotes in the document in some situations
        ///       use &amp;rsquo; for literals in text and avoid any single quote
        ///       attribute delimiters.
        /// </summary>    
        /// <param name="str" type="string">The text of the template to expand</param>    
        /// <param name="data" type="var">
        /// Any data that is to be merged. Pass an object and
        /// that object's properties are visible as variables.
        /// </param>    
        /// <returns type="string" />  
        var err = "";
        try {
            var func = _tmplCache[str];
            if (!func) {
                var strFunc =
            "var p=[],print=function(){p.push.apply(p,arguments);};" +
                        "with(obj){p.push('" +
                //                        str
                //                  .replace(/[\r\t\n]/g, " ")
                //                  .split("<#").join("\t")
                //                  .replace(/((^|#>)[^\t]*)'/g, "$1\r")
                //                  .replace(/\t=(.*?)#>/g, "',$1,'")
                //                  .split("\t").join("');")
                //                  .split("#>").join("p.push('")
                //                  .split("\r").join("\\'") + "');}return p.join('');";

            str.replace(/[\r\t\n]/g, " ")
               .replace(/'(?=[^#]*#>)/g, "\t")
               .split("'").join("\\'")
               .split("\t").join("'")
               .replace(/<#=(.+?)#>/g, "',$1,'")
               .split("<#").join("');")
               .split("#>").join("p.push('")
               + "');}return p.join('');";

                //alert(strFunc);
                func = new Function("obj", strFunc);
                _tmplCache[str] = func;
            }
            return func(data);
        } catch (e) { err = e.message; }
        return "< # ERROR: " + err.htmlEncode() + " # >";
    }

})();