function chat(str) {

        searchWin = window.open(str,'chat','scrollbars=yes,resizable=yes,width=700,height=400,status=no,location=no,toolbar=no');

//        searchWin.refer = self;

}

function io(str) {

        searchWin = window.open(str,'io','scrollbars=no,resizable=no,width=268,height=259,status=no,location=no,toolbar=no');

//        searchWin.refer = self;

}