var HM_DOM = (document.getElementById) ? true : false;
var HM_NS4 = (document.layers) ? true : false;
var HM_IE = (document.all) ? true : false;
var HM_IE4 = HM_IE && !HM_DOM;
var HM_Mac = (navigator.appVersion.indexOf("Mac") != -1);
var HM_IE4M = HM_IE4 && HM_Mac;
function cpic(pic, ww, hh)
{
if(isNaN(parseInt(ww))||isNaN(parseInt(hh))) return;
var rww=ww;var rhh=hh;var scr='no';
var sww=screen.availWidth;var shh=screen.availHeight-30;
var cww=Math.round(sww/2)-Math.round(ww/2); var chh=Math.round(shh/2)-Math.round(hh/2);
if(ww>sww){cww=0;ww=sww;}if(hh>shh){chh=0;hh=shh;ww+=16;scr='yes';}if(ww>sww){ww -= 22;}
var wndname=pic;wndname=wndname.replace (/[^A-Z]+/gi, '');
var wnd=window.open('',wndname,'menubar=no,width='+ww+',height='+hh+',scrollbars='+scr+',resizeable=no,left='+cww+',top='+chh);
var doc = wnd.document;
doc.write('Preview');
if (pic.substr (pic.length-4,4) != '.swf') doc.write('');
else doc.write('');
doc.write('');
wnd.focus();
}
function center_window (w, h) {
var left = Math.round (screen.availWidth / 2) - Math.round (w / 2);
var top = Math.round (screen.availHeight / 2) - Math.round (h / 2);
return 'left='+left+',top='+top;
}
function popup (file) {
var ww = 460;
var hh = 453;
var dati = 'menubar=no,width='+ww+',height='+hh+',scrollbars=yes,resizeable=no,'+center_window (ww,hh);
var wind = window.open (file, 'popup', dati);
wind.focus();
}
function goFromPopup (link) {
if (window.opener) {window.opener.location.href = link;}
window.close();
}
function on(nos)
{
if (document.images) document[nos].src = eval(nos + "on.src");
}
function off(nos)
{
if (document.images) document[nos].src = eval(nos + "off.src");
}
function goBookmark (f) {
window.location = "#" + f;
}
function nav (iname, sw)
{
if (HM_DOM)
{
var d = 'none';
if (sw == 1) d = 'inline';
document[iname].style.display = d;
}
}
function isEmail (obj,sMessage)
{
var r = /^[a-z0-9\._-]+@{1}[a-z0-9\._-]+\.{1}[a-z]{2,4}$/gi;
var s = obj.value;
if (!s.match (r))
{
alert (sMessage);
return false;
}
}