// page scroll
function pageTopScroll() {
var scrj = 1;
var scdist = document.body.parentNode.scrollTop;
if(scrj<50 && scdist) {
scdist = (scdist>2) ? Math.ceil(scdist*.2) : 1;
scrj++;
scrollBy(0,-scdist);
setTimeout("pageTopScroll()",20);
} else {
scrollTo(0,0);
scrj = 1;
}
}

// page close
function close_win(){
var nvua = navigator.userAgent;
if(nvua.indexOf('MSIE') >= 0){
if(nvua.indexOf('MSIE 5.0') == -1) {
top.opener = '';
}
}
else if(nvua.indexOf('Gecko') >= 0){
top.name = 'CLOSE_WINDOW';
wid = window.open('','CLOSE_WINDOW');
}
top.close();
}