if(confirm( unescape('Do%20you%20have%20time%20to%20take%20a%20quick%20survey%3F') ) ){
    var URL="http://surveys.supersurvey.com/survey-bin/surveys/s4167.pl";
    SuperSurveyPopUp=window.open(URL,"SuperSurveyPopUp","scrollbars=yes,resizable=yes,width=640");
    SuperSurveyPopUp.focus();
}