am using following javascript function in my html page and i want to display parameters properly without any concatenation operators in the textarea....
<html>
    <head>
        <script type="text/javascript">
            function getParameter(paramName) {
                var searchString = window.location.search.substring(1), i, val, params = searchString.split("&");
                for ( i = 0; i < params.length; i++) {
                    val = params[i].split("=");
                    if (val[0] == paramName) {
                        return val[1];
                    }
                }
                return null;
            }
            function getUrlData() {
                var comment = getParameter("comment");
                document.getElementsByName("my-textarea")[0].value = comment;
            }
        </script>
    </head>
    <body onload="getUrlData()">
        <h1>welcome</h1>
        <textarea name="my-textarea" readonly rows="5" cols="30"> </textarea>       
    </body>
</html>
 
    