function PageQuery(q) {
                if(q.length > 1) this.q = q.substring(1, q.length);
                else this.q = null;
                this.keyValuePairs = new Array();
                if(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); 
                return unescape(page.getValue(key)); 
                }
                
                function displayItem(key){
                if(queryString(key)=='false') 
                {
                document.write("you didn't enter a ?name=value querystring item.");
                }else{
                document.write(queryString(key));
                }
                }
                
                if (queryString('source') != 'false')
                {              
                	if (queryString('source') == 'newsletter')
                	{
                	  document.write('<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="bodyredbold">You have requested access to a client-only feature.</span><br><b>&nbsp;&nbsp;&nbsp;&nbsp;<span class="bodyblack">Don\'t already have an account? <a href="forex_demo_account.html" style="text-decoration:underline">Click here to sign up for a practice account</a></b>.</span><br><br>');
                	}
                }