Get QueryString Variable Value by Javascript

function getQueryVariable(variable)

    {

        var query = window.location.search.substring(1);

        var vars = query.split("&");

        for (var i=0;i<vars.length;i++)

        {

            var pair = vars[i].split("=");

            if (pair[0] == variable)

            {

                return pair[1];

            }

        }

    }

 

var StopVideo = getQueryVariable("StopVideo");