function hide(pass) { 
var feld = document.getElementsByTagName('div'); 
for(i=0;i<feld.length;i++){ 
if(feld[i].id.match(pass)){//if they are 'see' feld 
if (document.getElementById) // DOM3 = IE5, NS6 
feld[i].style.display="none";// show/hide 
} 
} 
} 

function show(pass) { 
var feld = document.getElementsByTagName('div'); 
for(i=0;i<feld.length;i++){ 
feld[i].style.display="none";// hide all
}
for(i=0;i<feld.length;i++){ 
if(feld[i].id.match(pass)){ 
if (document.getElementById) 
feld[i].style.display="block"; 
} 
} 
}

function showall() { 
var feld = document.getElementsByTagName('div'); 
for(i=0;i<feld.length;i++){ 
feld[i].style.display="block";// show all
}
window.print()
for(i=0;i<feld.length;i++){ 
feld[i].style.display="none";// show all
}
} 

function weblog() { 
var feld = document.getElementsByTagName('div'); 
for(i=0;i<feld.length;i++){ 
feld[i].style.display="block";// show all
}
}