function tabel()
{
var myWin
 	
myWin=open('knauertabbelnew.htm', 'uitgebreid_formulier', 'menubar=no, width=750, scrollbars=yes, 						height=500');
myWin.moveTo(0,0);		
}
function tabellaag()
{
var myWin
 	
myWin=open('knauertabbelnew.htm#normal', 'uitgebreid_formulier', 'menubar=no, width=750, scrollbars=yes, 						height=500');
myWin.moveTo(0,0);		
}
function tabelhoog()
{
var myWin
 	
myWin=open('knauertabbelnew.htm#hoch', 'uitgebreid_formulier', 'menubar=no, width=750, scrollbars=yes, 						height=500');
myWin.moveTo(0,0);		
}
function tabelpendel()
{
var myWin
 	
myWin=open('knauertabbelnew.htm#pendel', 'uitgebreid_formulier', 'menubar=no, width=750, scrollbars=yes, 						height=500');
myWin.moveTo(0,0);		
}
function werkprincipe()
{
var myWin
 	
myWin=open('knauertabbel.htm', 'uitgebreid_formulier', 'menubar=no, width=750, scrollbars=yes, 						height=500');
myWin.moveTo(0,0);		
}