function createLayers() {
    if (ns4) {

        document.write('<layer name="naviLayerBackground1" position="absolute" top="160" left="30" width="76" height="' + (4 * 15 + 2) + '" visibility="hidden" bgcolor="#003366" z-index="1"></layer>');  
        document.write('<layer name="naviLayer1" onMouseover="kludgeNsOn\(\); curTarget=\'kirjasta_rakenne.html\'; showNaviByLink\(\'naviLayer1\'\); chBgcolor\(\'naviLayer1\'\);" onMouseout="kludgeNsOff\(\); curTarget=\'\'; hideLagger(); chBgcolorb\(\'naviLayer1\'\);" position="absolute" top="120" left="30" width="74" height="15" visibility="hidden" bgcolor="#FFFFFF" z-index="10"><a href="kirjasta_rakenne.html" class="menulink">&nbsp;&nbsp;Otteita</a></layer>');  
        document.write('<layer name="naviLayer2" onMouseover="kludgeNsOn\(\); curTarget=\'kirjasta_sisallys.html\'; showNaviByLink\(\'naviLayer1\'\); chBgcolor\(\'naviLayer2\'\);" onMouseout="kludgeNsOff\(\); curTarget=\'\'; hideLagger(); chBgcolorb\(\'naviLayer2\'\);" position="absolute" top="120" left="30" width="74" height="15" visibility="hidden" bgcolor="#FFFFFF" z-index="10"><a href="kirjasta_sisallys.html" class="menulink">&nbsp;&nbsp;Sis&auml;llys</a></layer>');  
        document.write('<layer name="naviLayer3" onMouseover="kludgeNsOn\(\); curTarget=\'kirjasta_kuvat.html\'; showNaviByLink\(\'naviLayer1\'\); chBgcolor\(\'naviLayer3\'\);" onMouseout="kludgeNsOff\(\); curTarget=\'\'; hideLagger(); chBgcolorb\(\'naviLayer3\'\);" position="absolute" top="120" left="30" width="74" height="15" visibility="hidden" bgcolor="#FFFFFF" z-index="10"><a href="kirjasta_kuvat.html" class="menulink">&nbsp;&nbsp;Kuvat</a></layer>');  
        document.write('<layer name="naviLayer4" onMouseover="kludgeNsOn\(\); curTarget=\'kirjasta_otteita.html\'; showNaviByLink\(\'naviLayer1\'\); chBgcolor\(\'naviLayer4\'\);" onMouseout="kludgeNsOff\(\); curTarget=\'\'; hideLagger(); chBgcolorb\(\'naviLayer4\'\);" position="absolute" top="120" left="30" width="74" height="15" visibility="hidden" bgcolor="#FFFFFF" z-index="10"><a href="kirjasta_otteita.html" class="menulink">&nbsp;&nbsp;Otteita</a></layer>');  		
		
        document.write('<layer name="naviLayerBackground2" position="absolute" top="160" left="30" width="122" height="' + (5 * 15 + 2) + '" visibility="hidden" bgcolor="#003366" z-index="1"></layer>');  
        document.write('<layer name="naviLayer20" onMouseover="kludgeNsOn\(\); curTarget=\'linkit_verkko.html\'; showNaviByLink\(\'naviLayer2\'\); chBgcolor\(\'naviLayer20\'\);" onMouseout="kludgeNsOff\(\); curTarget=\'\'; hideLagger(); chBgcolorb\(\'naviLayer20\'\);" position="absolute" top="120" left="30" width="120" height="15" visibility="hidden" bgcolor="#FFFFFF" z-index="10"><a href="linkit_verkko.html" class="menulink">&nbsp;&nbsp;Verkko</a></layer>');  
        document.write('<layer name="naviLayer21" onMouseover="kludgeNsOn\(\); curTarget=\'linkit_toteutus.html\'; showNaviByLink\(\'naviLayer2\'\); chBgcolor\(\'naviLayer21\'\);" onMouseout="kludgeNsOff\(\); curTarget=\'\'; hideLagger(); chBgcolorb\(\'naviLayer21\'\);" position="absolute" top="120" left="30" width="120" height="15" visibility="hidden" bgcolor="#FFFFFF" z-index="10"><a href="linkit_toteutus.html" class="menulink">&nbsp;&nbsp;Toteutus</a></layer>');  
        document.write('<layer name="naviLayer22" onMouseover="kludgeNsOn\(\); curTarget=\'linkit_kehittaminen.html\'; showNaviByLink\(\'naviLayer2\'\); chBgcolor\(\'naviLayer22\'\);" onMouseout="kludgeNsOff\(\); curTarget=\'\'; hideLagger(); chBgcolorb\(\'naviLayer22\'\);" position="absolute" top="120" left="30" width="120" height="15" visibility="hidden" bgcolor="#FFFFFF" z-index="10"><a href="linkit_kehittaminen.html" class="menulink">&nbsp;&nbsp;Kehitt&auml;minen</a></layer>');  
        document.write('<layer name="naviLayer23" onMouseover="kludgeNsOn\(\); curTarget=\'linkit_opettajat.html\'; showNaviByLink\(\'naviLayer2\'\); chBgcolor\(\'naviLayer23\'\);" onMouseout="kludgeNsOff\(\); curTarget=\'\'; hideLagger(); chBgcolorb\(\'naviLayer23\'\);" position="absolute" top="120" left="30" width="120" height="15" visibility="hidden" bgcolor="#FFFFFF" z-index="10"><a href="linkit_opettajat.html" class="menulink">&nbsp;&nbsp;Verkko-opettajat</a></layer>');  
        document.write('<layer name="naviLayer24" onMouseover="kludgeNsOn\(\); curTarget=\'linkit_visiot_strategiat.html\'; showNaviByLink\(\'naviLayer2\'\); chBgcolor\(\'naviLayer24\'\);" onMouseout="kludgeNsOff\(\); curTarget=\'\'; hideLagger(); chBgcolorb\(\'naviLayer24\'\);" position="absolute" top="120" left="30" width="120" height="15" visibility="hidden" bgcolor="#FFFFFF" z-index="10"><a href="linkit_visiot_strategiat.html" class="menulink">&nbsp;&nbsp;Visiot &amp; strategiat</a></layer>');  								

    } else if(ie4 || ie5 || ns5) {
  
        document.write('<div id="naviLayerBackground1"></div>')  
        document.write('<div id="naviLayer1" onClick="mene\(\'kirjasta_rakenne.html\'\)" onMouseover="kludgeNsOn\(\); showNaviByLink\(\'naviLayer1\'\); chBgcolor\(\'naviLayer1\'\);" onMouseout="kludgeNsOff\(\); hideLagger(); chBgcolorb\(\'naviLayer1\'\);"><a href="kirjasta_rakenne.html" class="menulink">&nbsp;&nbsp;Rakenne</a></div>');  
        document.write('<div id="naviLayer2" onClick="mene\(\'kirjasta_sisallys.html\'\)" onMouseover="kludgeNsOn\(\); showNaviByLink\(\'naviLayer2\'\); chBgcolor\(\'naviLayer2\'\);" onMouseout="kludgeNsOff\(\); hideLagger(); chBgcolorb\(\'naviLayer2\'\);"><a href="kirjasta_sisallys.html" class="menulink">&nbsp;&nbsp;Sis&auml;llys</a></div>');  
        document.write('<div id="naviLayer3" onClick="mene\(\'kirjasta_kuvat.html\'\)" onMouseover="kludgeNsOn\(\); showNaviByLink\(\'naviLayer3\'\); chBgcolor\(\'naviLayer3\'\);" onMouseout="kludgeNsOff\(\); hideLagger(); chBgcolorb\(\'naviLayer3\'\);"><a href="kirjasta_kuvat.html" class="menulink">&nbsp;&nbsp;Kuvat</a></div>');  
        document.write('<div id="naviLayer4" onClick="mene\(\'kirjasta_otteita.html\'\)" onMouseover="kludgeNsOn\(\); showNaviByLink\(\'naviLayer4\'\); chBgcolor\(\'naviLayer4\'\);" onMouseout="kludgeNsOff\(\); hideLagger(); chBgcolorb\(\'naviLayer4\'\);"><a href="kirjasta_otteita.html" class="menulink">&nbsp;&nbsp;Otteita</a></div>');  
				
        document.write('<div id="naviLayerBackground2"></div>')  
        document.write('<div id="naviLayer20" onClick="mene\(\'linkit_verkko.html\'\)" onMouseover="kludgeNsOn\(\); showNaviByLink\(\'naviLayer20\'\); chBgcolor\(\'naviLayer20\'\);" onMouseout="kludgeNsOff\(\); hideLagger(); chBgcolorb\(\'naviLayer20\'\);"><a href="linkit_verkko.html" class="menulink">&nbsp;&nbsp;Verkko</a></div>');  
        document.write('<div id="naviLayer21" onClick="mene\(\'linkit_toteutus.html\'\)" onMouseover="kludgeNsOn\(\); showNaviByLink\(\'naviLayer21\'\); chBgcolor\(\'naviLayer21\'\);" onMouseout="kludgeNsOff\(\); hideLagger(); chBgcolorb\(\'naviLayer21\'\);"><a href="linkit_toteutus.html" class="menulink">&nbsp;&nbsp;Toteutus</a></div>');  
        document.write('<div id="naviLayer22" onClick="mene\(\'linkit_kehittaminen.html\'\)" onMouseover="kludgeNsOn\(\); showNaviByLink\(\'naviLayer22\'\); chBgcolor\(\'naviLayer22\'\);" onMouseout="kludgeNsOff\(\); hideLagger(); chBgcolorb\(\'naviLayer22\'\);"><a href="linkit_kehittaminen.html" class="menulink">&nbsp;&nbsp;Kehitt&auml;minen</a></div>');  
        document.write('<div id="naviLayer23" onClick="mene\(\'linkit_opettajat.html\'\)" onMouseover="kludgeNsOn\(\); showNaviByLink\(\'naviLayer23\'\); chBgcolor\(\'naviLayer23\'\);" onMouseout="kludgeNsOff\(\); hideLagger(); chBgcolorb\(\'naviLayer23\'\);"><a href="linkit_opettajat.html" class="menulink">&nbsp;&nbsp;Verkko-opettaja</a></div>');  
        document.write('<div id="naviLayer24" onClick="mene\(\'linkit_visiot_strategiat.html\'\)" onMouseover="kludgeNsOn\(\); showNaviByLink\(\'naviLayer24\'\); chBgcolor\(\'naviLayer24\'\);" onMouseout="kludgeNsOff\(\); hideLagger(); chBgcolorb\(\'naviLayer24\'\);"><a href="linkit_visiot_strategiat.html" class="menulink">&nbsp;&nbsp;Visiot &amp; strategiat</a></div>');  
		
		

    }
}