function duesen(){
open("cleanxperts_navigation_Reinigungsduesen.htm","Navigation");
open("2_Reinigungsduesen/Reingungsduesen_start.htm","Content");
}

function leistungsspektrum(){
open("cleanxperts_navigation_Leistungsspektrum.htm","Navigation");
open("0_Leistungsspektrum/Leistungsspektrum_start.htm","Content");
}

function industrieduesen(){
open("cleanxperts_navigation_Industrieduesen.htm","Navigation");
open("2a_Industrieduesen/Industrieduesen_start.htm","Content");
}

function container(){
open("cleanxperts_navigation_Container.htm","Navigation");
open("3_Container_Reinigung/Container_start.htm","Content");
}

function zubehoer(){
open("cleanxperts_navigation_Zubehoer.htm","Navigation");
open("7_Zubehoer/Zubehoer_Reinigungssysteme_start.htm","Content");
}