function Redirect(url,fields)
{
    var querystring = 
        $A(fields).inject(
            url + "?",
            function(qs,f){
                if (! $(f).present())
                    return qs;
                return qs + $(f).name + "=" + $F(f) + "&";
            }
        );
    
    window.location = querystring;
}

function OnEnter(func,e)
{
	var charCode = (e.charCode) ? event.charCode : ((e.which) ? e.which : e.keyCode);
	if (charCode == 13 || charCode == 3) {
		func();
		return false;
	}
	return true;
}