var exit=true;
function survey()
{
if (exit && document.all) {
  	showModalDialog("SEPP_example/frame.php",window,'status:no; help:no;');
	}
else if (exit) {

page_survey = window.open('SEPP_example/frame.php', 'page_survey', 'modal=yes,toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=500,height=500,left = 400,top = 237');

}
}