function aC() 
{
   this.setOptions=setOptions;
   this.getOptions=getOptions;
   this.connect=connect;
   this.uri="lookups.php";
} 
function setOptions(opt)
{
   for(i=0;i<opt.length;i++)  
   {
      this.options += "&"+opt[i];
   }
}
function getOptions()
{
   return this.options;
}
        function connect(return_func)
        {
            with(this)
            {
                x=init_object();
                x.open("POST", uri,true);
                x.onreadystatechange = function() {
                        if (x.readyState != 4)
                                return;
                        eval(return_func + '(x.responseText)');
                        delete x;
                }
                x.setRequestHeader('Content-Type',
                    'application/x-www-form-urlencoded');
                x.send(options);
            }
        }
function init_object() {
        var x;
        try {
                x=new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
                try {
                        x=new ActiveXObject("Microsoft.XMLHTTP");
                } catch (oc) {
                        x=null;
                }
        }
        if(!x && typeof XMLHttpRequest != "undefined")
                x = new XMLHttpRequest();
        if (x)
                return x;
}