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));
    }
}

function isWideView()
{
    var isWideVar = queryString('wfs');
    if(isWideVar =='yes')
    {
        return true;
    }
    return false;
}