// $Header: /WebSites/library/javascript/general/queryString.js 2     3/05/08 11:24a Clavoie $
function PageQuery(q) {
    if(q.length > 1) 
      this.q = q.substring(1, q.length);
    else 
      this.q = null;
    
    this.keyValuePairs = new Array();
    
    if(q && this.q) {
        for(var i=0; i < this.q.split("&").length; i++) {
            this.keyValuePairs[i] = this.q.split("&")[i];
        }
    }
    
    this.getKeyValuePairs = function() { 
        return this.keyValuePairs;
    }
    
    this.getValue = function(s) {
        for(var j=0; j < this.keyValuePairs.length; j++) {
            if(this.keyValuePairs[j].split("=")[0] == s) {
                return this.keyValuePairs[j].split("=")[1];
            }
        }
        return false;
    }
    
    this.getParameters = function() {
        var a = new Array(this.getLength());
        for(var j=0; j < this.keyValuePairs.length; j++) {
            a[j] = this.keyValuePairs[j].split("=")[0];
        }
        return a;
    }
    
    this.getLength = function() { return this.keyValuePairs.length; }
}

function queryString(key){
    var page = new PageQuery(window.location.search);
    var needle = /[<>\'\"\{\}\(\)]/g;   
    var haystack = unescape(page.getValue(key));
    return haystack.replace(needle, '');
}