function Nelprev( libcode, ccl ) {
var date1, url1, url2;
var now=new Date();
var year=now.getYear();
if ( year < 1900) year+=1900;
var month=now.getMonth();
if ( month == 0 ) {
month=12;
year--;
}
year -= 2000;
if ( year < 10 ) year = "0" + year;
if ( year == 0 ) year = "00";
if ( month < 10 ) month = "0" + month;
date1=year+""+month;
url1 = "http://aleph.etat.lu:80/F?func=find-c&ccl_term=" + ccl;
url2=" and (nel=newuni" + date1 +")";
url = url1 + escape(url2);
win1=window.open(url,"win1");
}

function Nel2prev( libcode, ccl ) {
var date1, date2, url1, url2, month1, month2, year1, year2;
var now=new Date();
var year=now.getYear();
if ( year < 1900) year+=1900;
var month=now.getMonth();
if ( month == 0 ) {
month1=12;
month2=11;
year1=year-1;
year2=year-1;
}
if ( month == 1 ) {
month2=12;
month1=1
year2=year-1;
year1=year;
}
else {
month2=month-1;
month1=month;
year2=year;
year1=year;
};
year2 -= 2000;
year1 -= 2000;
if ( year1 < 10 ) year1 = "0" + year1;
if ( year1 == 0 ) year1 = "00";
if ( month1 < 10 ) month1 = "0" + month1;
date1=year1+""+month1;
if ( year2 < 10 ) year2 = "0" + year2;
if ( year2 == 0 ) year2 = "00";
if ( month2 < 10 ) month2 = "0" + month2;
date2=year2+""+month2;
url1 = "http://aleph.etat.lu:80/F?func=find-c&ccl_term=" + ccl;
url2=" and (nel=newuni"+ date2 +" or nel=newuni" + date1 +")";
url = url1 + escape(url2);
win1=window.open(url,"win1");
}

function Nel( libcode, ccl ) {
var date1, url1, url2;
var now=new Date();
var year=now.getYear();
if ( year < 1900) year+=1900;
var month=now.getMonth();
month++;
year -= 2000;
if ( year < 10 ) year = "0" + year;
if ( year == 0 ) year = "00";
if ( month < 10 ) month = "0" + month;
date1=year+""+month;
url1 = "http://aleph.etat.lu:80/F?func=find-c&ccl_term=" + ccl;
url2=" and nel=newuni" + date1;
url = url1 + escape(url2);
win1=window.open(url,"win1");
}

function NewprevAcq() {
var date1, url1, url2;
var now=new Date();
var year=now.getYear();
if ( year < 1900) year+=1900;
var month=now.getMonth();
if ( month == 0 ) {
month=12;
year--;
}
year -= 2000;
if ( year < 10 ) year = "0" + year;
if ( year == 0 ) year = "00";
if ( month < 10 ) month = "0" + month;
date1=year+""+month;
url1 = "http://aleph.etat.lu/F?func=find-c&ccl_term="
url2="(nel=newuni" + date1 +")";
url = url1 + escape(url2);
win1=window.open(url,"win1");
}

function NewAcq() {
var date1, url1, url2;
var now=new Date();
var year=now.getYear();
if ( year < 1900) year+=1900;
var month=now.getMonth();
month++;
year -= 2000;
if ( year < 10 ) year = "0" + year;
if ( year == 0 ) year = "00";
if ( month < 10 ) month = "0" + month;
date1=year+""+month;
url1 = "http://aleph.etat.lu/F?func=find-c&ccl_term="
url2="(nel=newuni" + date1 +")";
url = url1 + escape(url2);
win1=window.open(url,"win1");
}

function showprevDate()
{
var now=new Date();
var year=now.getYear();
if ( year < 1900) year+=1900;
var month=now.getMonth();
if ( month < 10 ) month = "0" + month;
if ( month == 0 ) {
month=12;
year--;
}
out=month + "/" +year
document.write(out);
}

function showDate()
{
var now=new Date();
var year=now.getYear();
if ( year < 1900) year+=1900;
var month=now.getMonth();
month++;
if ( month < 10 ) month = "0" + month;
out=month + "/" +year
document.write(out);
}