// Funksjon for å slå av og på hjelpelayers

function toggleLayer(whichLayer)
{
	disableAllLayers();
	
	if (document.getElementById)
	{
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "":"block";
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
}

function disableLayer(whichLayer)
{
	if (document.getElementById)
	{
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "":"";
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "":"";
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "":"";
	}
}

function disableAllLayers()
{
	disableLayer('help_inpAlder');	
	disableLayer('help_inpStyring');
	disableLayer('help_inpValgteknikk');
	disableLayer('help_inpStringValgDirekte');
	disableLayer('help_inpStringValgIndirekte');
	disableLayer('help_inpStyringssystem');
	disableLayer('help_inpTastatur');
	disableLayer('help_inpmus');
	disableLayer('help_inpJoystick');
	disableLayer('help_inpBrytere');
	disableLayer('help_inpBryterstyring');
	disableLayer('help_inp_1_bryter');
	disableLayer('help_inp_2_brytere');
	disableLayer('help_inp_3_brytere');
	disableLayer('help_inp_4_brytere');
	disableLayer('help_inp_5_brytere');
	disableLayer('help_inp_flere_brytere');
	disableLayer('help_inpSkanning');
	disableLayer('help_inpSkanningmetode');
	disableLayer('help_inp_skanning_metode_selvdirigert');
	disableLayer('help_inp_skanning_metode_automatisk');
	disableLayer('help_inpSkanningtype');
	disableLayer('help_inp_skanning_type_visuell');
	disableLayer('help_inp_skanning_type_auditiv');
	disableLayer('help_inp_skanning_type_taktil');
	disableLayer('help_inpSkanningteknikk');
	disableLayer('help_inp_skanning_teknikk_linar');
	disableLayer('help_inp_skanning_teknikk_rad');
	disableLayer('help_inp_skanning_teknikk_blokk');
	disableLayer('help_inpSkannefigur');
	disableLayer('help_inpSkanningsymbolRamme');
	disableLayer('help_inp_skanning_figur_tykkelse');
	disableLayer('help_inpSkanningsymbolFormFigur');
	disableLayer('help_inpStyringsniva');
	disableLayer('help_inpNiva1');
	disableLayer('help_inpEtTrykk');
	disableLayer('help_inpToTrykk');
	disableLayer('help_inpFlereTrykk');
	disableLayer('help_inpTrykkSlipp');
	disableLayer('help_inpTrykkHold');
	disableLayer('help_inpNiva2');
	disableLayer('help_inpVelgeMellomTo');
	disableLayer('help_inpVelge1');
	disableLayer('help_inpVelgeMellomFlere');
	disableLayer('help_inpVelgeMellomToBrytere');
	disableLayer('help_inpVelgeMellomFlereBrytere');
	disableLayer('help_inpVelgeMellom5Tast');
	disableLayer('help_inpMusbevegePil');
	disableLayer('help_inpMusbevegePilKlikk');
	disableLayer('help_inpNiva3');
	disableLayer('help_inpMusKlikkFlyttSlipp');
	disableLayer('help_inpMusKlikkKlikkav');
	disableLayer('help_inpMus2Piltast');
	disableLayer('help_inpMus3Piltast');
	disableLayer('help_inpMus4Piltast');
	disableLayer('help_inpMus5Piltast');
	disableLayer('help_inpNiva4');
	disableLayer('help_inpIntegrertMeny');
	disableLayer('help_inpStatiskMeny');
	disableLayer('help_inpSeriellMeny');
	disableLayer('help_inpHirarkiskMeny');
	disableLayer('help_inpMenyIngen');
	disableLayer('help_inpSkjermbilde');
	disableLayer('help_inpBildeniva');
	disableLayer('help_inp_bildenivaa_video');
	disableLayer('help_inp_bildenivaa_sh_tegninger');
	disableLayer('help_inp_bildenivaa_farge_tegninger');
	disableLayer('help_inp_bildenivaa_symboler');
	disableLayer('help_Figurstorrelse');
	disableLayer('help_inp_figurstoerrelse_liten');
	disableLayer('help_inp_figurstoerrelse_middels');
	disableLayer('help_inp_figurstoerrelse_stor');
	disableLayer('help_inpKontrast');
	disableLayer('help_inp_kontrast_daarlig');
	disableLayer('help_inp_kontrast_middels');
	disableLayer('help_inp_kontrast_god');
	disableLayer('help_inpBakgrunn');
	disableLayer('help_inpFeltstorrelse');
	disableLayer('help_inp_feltstoerrelse_liten');
	disableLayer('help_inp_feltstoerrelse_middels');
	disableLayer('help_inp_feltstoerrelse_stor');
	disableLayer('help_inpRespons');
	disableLayer('help_inpRespons_Visuell');
	disableLayer('help_inp_respons_video');
	disableLayer('help_inp_bildenivaa_foto');
	disableLayer('help_inp_respons_animasjon');
	disableLayer('help_inp_respons_forflytning');
	disableLayer('help_inp_respons_dirring');
	disableLayer('help_inp_respons_stillbilde');
	disableLayer('help_inpRespons_Auditiv');
	disableLayer('help_inp_respons_musikk');
	disableLayer('help_inp_respons_naturlyd');
	disableLayer('help_inp_respons_mekanisklyd');
	disableLayer('help_inp_respons_tale');
	disableLayer('help_inpSjanger');
	disableLayer('help_inpSeResponse');
	disableLayer('help_inpByggeBilder');
	disableLayer('help_inpUtforske');
	disableLayer('help_inpKreativUtfoldelse');
	disableLayer('help_inpReaksjonsspill');
	disableLayer('help_inpStrategispill');
	disableLayer('help_inpOppgave');
	disableLayer('help_inp_bildenivaa_ikoner');
	disableLayer('help_inpEditor');
	disableLayer('help_inp_editor_system');
	disableLayer('help_inp_editor_niva');
	disableLayer('help_inp_editor_oppgave');
	disableLayer('help_inp_editor_lagre');
	disableLayer('help_inp_editor_skjerm');
	
	disableLayer('help_felles');
}