function hideLayer(whichLayer) {
	if (document.getElementById) {
		document.getElementById(whichLayer).style.visibility = "hidden";
	}
	else if (document.all) {
		document.all[whichlayer].style.visibility = "hidden";
	}
	else if (document.layers) {
		document.layers[whichLayer].visibility = "hidden";
	}
}

function showLayer(whichLayer) {
	if (document.getElementById) {
		document.getElementById(whichLayer).style.visibility = "visible";
	}
	else if (document.all) {
		document.all[whichlayer].style.visibility = "visible";
	}
	else if (document.layers) {
		document.layers[whichLayer].visibility = "visible";
	}
}

function handleClick(whichClick) {
	if (whichClick == "home_on") {
		hideLayer("menu1off");
		hideLayer("menu2on");
		hideLayer("menu3on");
		hideLayer("menu4on");
		hideLayer("menu5on");
		hideLayer("menu6on");
		hideLayer("menu7on");
		hideLayer("menu8on");
		hideLayer("scrollup2");
		hideLayer("scrolldown2");
		hideLayer("image2");
		hideLayer("frame2");
		hideLayer("scrollup3");
		hideLayer("scrolldown3");
		hideLayer("image3");
		hideLayer("frame3");
		hideLayer("scrollup4");
		hideLayer("scrolldown4");
		hideLayer("image4");
		hideLayer("frame4");
		hideLayer("scrollup5");
		hideLayer("scrolldown5");
		hideLayer("image5");
		hideLayer("frame5");
		hideLayer("scrollup6");
		hideLayer("scrolldown6");
		hideLayer("image6");
		hideLayer("frame6");
		hideLayer("scrollup7");
		hideLayer("scrolldown7");
		hideLayer("image7");
		hideLayer("frame7");
		hideLayer("scrollup8");
		hideLayer("scrolldown8");
		hideLayer("image8");
		hideLayer("frame8");
		showLayer("menu1on");
		showLayer("menu2off");
		showLayer("menu3off");
		showLayer("menu4off");
		showLayer("menu5off");
		showLayer("menu6off");
		showLayer("menu7off");
		showLayer("menu8off");
		showLayer("text1");
		showLayer("image1");
	}
	else if (whichClick == "tentoonstelling_on") {
		hideLayer("menu1on");
		hideLayer("menu2off");
		hideLayer("menu3on");
		hideLayer("menu4on");
		hideLayer("menu5on");
		hideLayer("menu6on");
		hideLayer("menu7on");
		hideLayer("menu8on");
		hideLayer("text1");
		hideLayer("image1");
		hideLayer("scrollup3");
		hideLayer("scrolldown3");
		hideLayer("image3");
		hideLayer("frame3");
		hideLayer("scrollup4");
		hideLayer("scrolldown4");
		hideLayer("image4");
		hideLayer("frame4");
		hideLayer("scrollup5");
		hideLayer("scrolldown5");
		hideLayer("image5");
		hideLayer("frame5");
		hideLayer("scrollup6");
		hideLayer("scrolldown6");
		hideLayer("image6");
		hideLayer("frame6");
		hideLayer("scrollup7");
		hideLayer("scrolldown7");
		hideLayer("image7");
		hideLayer("frame7");
		hideLayer("scrollup8");
		hideLayer("scrolldown8");
		hideLayer("image8");
		hideLayer("frame8");
		showLayer("menu1off");
		showLayer("menu2on");
		showLayer("menu3off");
		showLayer("menu4off");
		showLayer("menu5off");
		showLayer("menu6off");
		showLayer("menu7off");
		showLayer("menu8off");
		showLayer("scrollup2");
		showLayer("scrolldown2");
		showLayer("image2");
		showLayer("frame2");
	}
	else if (whichClick == "boek_on") {
		hideLayer("menu1on");
		hideLayer("menu2on");
		hideLayer("menu3off");
		hideLayer("menu4on");
		hideLayer("menu5on");
		hideLayer("menu6on");
		hideLayer("menu7on");
		hideLayer("menu8on");
		hideLayer("text1");
		hideLayer("image1");
		hideLayer("scrollup2");
		hideLayer("scrolldown2");
		hideLayer("image2");
		hideLayer("frame2");
		hideLayer("scrollup4");
		hideLayer("scrolldown4");
		hideLayer("image4");
		hideLayer("frame4");
		hideLayer("scrollup5");
		hideLayer("scrolldown5");
		hideLayer("image5");
		hideLayer("frame5");
		hideLayer("scrollup6");
		hideLayer("scrolldown6");
		hideLayer("image6");
		hideLayer("frame6");
		hideLayer("scrollup7");
		hideLayer("scrolldown7");
		hideLayer("image7");
		hideLayer("frame7");
		hideLayer("scrollup8");
		hideLayer("scrolldown8");
		hideLayer("image8");
		hideLayer("frame8");
		showLayer("menu1off");
		showLayer("menu2off");
		showLayer("menu3on");
		showLayer("menu4off");
		showLayer("menu5off");
		showLayer("menu6off");
		showLayer("menu7off");
		showLayer("menu8off");
		showLayer("scrollup3");
		showLayer("scrolldown3");
		showLayer("image3");
		showLayer("frame3");
	}
	else if (whichClick == "kunstenaars_on") {
		hideLayer("menu1on");
		hideLayer("menu2on");
		hideLayer("menu3on");
		hideLayer("menu4off");
		hideLayer("menu5on");
		hideLayer("menu6on");
		hideLayer("menu7on");
		hideLayer("menu8on");
		hideLayer("text1");
		hideLayer("image1");
		hideLayer("scrollup2");
		hideLayer("scrolldown2");
		hideLayer("image2");
		hideLayer("frame2");
		hideLayer("scrollup3");
		hideLayer("scrolldown3");
		hideLayer("image3");
		hideLayer("frame3");
		hideLayer("scrollup5");
		hideLayer("scrolldown5");
		hideLayer("image5");
		hideLayer("frame5");
		hideLayer("scrollup6");
		hideLayer("scrolldown6");
		hideLayer("image6");
		hideLayer("frame6");
		hideLayer("scrollup7");
		hideLayer("scrolldown7");
		hideLayer("image7");
		hideLayer("frame7");
		hideLayer("scrollup8");
		hideLayer("scrolldown8");
		hideLayer("image8");
		hideLayer("frame8");
		showLayer("menu1off");
		showLayer("menu2off");
		showLayer("menu3off");
		showLayer("menu4on");
		showLayer("menu5off");
		showLayer("menu6off");
		showLayer("menu7off");
		showLayer("menu8off");
		showLayer("scrollup4");
		showLayer("scrolldown4");
		showLayer("image4");
		showLayer("frame4");
	}
	else if (whichClick == "organisatie_on") {
		hideLayer("menu1on");
		hideLayer("menu2on");
		hideLayer("menu3on");
		hideLayer("menu4on");
		hideLayer("menu5off");
		hideLayer("menu6on");
		hideLayer("menu7on");
		hideLayer("menu8on");
		hideLayer("text1");
		hideLayer("image1");
		hideLayer("scrollup2");
		hideLayer("scrolldown2");
		hideLayer("image2");
		hideLayer("frame2");
		hideLayer("scrollup3");
		hideLayer("scrolldown3");
		hideLayer("image3");
		hideLayer("frame3");
		hideLayer("scrollup4");
		hideLayer("scrolldown4");
		hideLayer("image4");
		hideLayer("frame4");
		hideLayer("scrollup6");
		hideLayer("scrolldown6");
		hideLayer("image6");
		hideLayer("frame6");
		hideLayer("scrollup7");
		hideLayer("scrolldown7");
		hideLayer("image7");
		hideLayer("frame7");
		hideLayer("scrollup8");
		hideLayer("scrolldown8");
		hideLayer("image8");
		hideLayer("frame8");
		showLayer("menu1off");
		showLayer("menu2off");
		showLayer("menu3off");
		showLayer("menu4off");
		showLayer("menu5on");
		showLayer("menu6off");
		showLayer("menu7off");
		showLayer("menu8off");
		showLayer("scrollup5");
		showLayer("scrolldown5");
		showLayer("image5");
		showLayer("frame5");
	}
	else if (whichClick == "bezoekersinfo_on") {
		hideLayer("menu1on");
		hideLayer("menu2on");
		hideLayer("menu3on");
		hideLayer("menu4on");
		hideLayer("menu5on");
		hideLayer("menu6off");
		hideLayer("menu7on");
		hideLayer("menu8on");
		hideLayer("text1");
		hideLayer("image1");
		hideLayer("scrollup2");
		hideLayer("scrolldown2");
		hideLayer("image2");
		hideLayer("frame2");
		hideLayer("scrollup3");
		hideLayer("scrolldown3");
		hideLayer("image3");
		hideLayer("frame3");
		hideLayer("scrollup4");
		hideLayer("scrolldown4");
		hideLayer("image4");
		hideLayer("frame4");
		hideLayer("scrollup5");
		hideLayer("scrolldown5");
		hideLayer("image5");
		hideLayer("frame5");
		hideLayer("scrollup7");
		hideLayer("scrolldown7");
		hideLayer("image7");
		hideLayer("frame7");
		hideLayer("scrollup8");
		hideLayer("scrolldown8");
		hideLayer("image8");
		hideLayer("frame8");
		showLayer("menu1off");
		showLayer("menu2off");
		showLayer("menu3off");
		showLayer("menu4off");
		showLayer("menu5off");
		showLayer("menu6on");
		showLayer("menu7off");
		showLayer("menu8off");
		showLayer("scrollup6");
		showLayer("scrolldown6");
		showLayer("image6");
		showLayer("frame6");
	}
	else if (whichClick == "pers_on") {
		hideLayer("menu1on");
		hideLayer("menu2on");
		hideLayer("menu3on");
		hideLayer("menu4on");
		hideLayer("menu5on");
		hideLayer("menu6on");
		hideLayer("menu7off");
		hideLayer("menu8on");
		hideLayer("text1");
		hideLayer("image1");
		hideLayer("scrollup2");
		hideLayer("scrolldown2");
		hideLayer("image2");
		hideLayer("frame2");
		hideLayer("scrollup3");
		hideLayer("scrolldown3");
		hideLayer("image3");
		hideLayer("frame3");
		hideLayer("scrollup4");
		hideLayer("scrolldown4");
		hideLayer("image4");
		hideLayer("frame4");
		hideLayer("scrollup5");
		hideLayer("scrolldown5");
		hideLayer("image5");
		hideLayer("frame5");
		hideLayer("scrollup6");
		hideLayer("scrolldown6");
		hideLayer("image6");
		hideLayer("frame6");
		hideLayer("scrollup8");
		hideLayer("scrolldown8");
		hideLayer("image8");
		hideLayer("frame8");
		showLayer("menu1off");
		showLayer("menu2off");
		showLayer("menu3off");
		showLayer("menu4off");
		showLayer("menu5off");
		showLayer("menu6off");
		showLayer("menu7on");
		showLayer("menu8off");
		showLayer("scrollup7");
		showLayer("scrolldown7");
		showLayer("image7");
		showLayer("frame7");
	}
	else if (whichClick == "evenementen_on") {
		hideLayer("menu1on");
		hideLayer("menu2on");
		hideLayer("menu3on");
		hideLayer("menu4on");
		hideLayer("menu5on");
		hideLayer("menu6on");
		hideLayer("menu7on");
		hideLayer("menu8off");
		hideLayer("text1");
		hideLayer("image1");
		hideLayer("scrollup2");
		hideLayer("scrolldown2");
		hideLayer("image2");
		hideLayer("frame2");
		hideLayer("scrollup3");
		hideLayer("scrolldown3");
		hideLayer("image3");
		hideLayer("frame3");
		hideLayer("scrollup4");
		hideLayer("scrolldown4");
		hideLayer("image4");
		hideLayer("frame4");
		hideLayer("scrollup5");
		hideLayer("scrolldown5");
		hideLayer("image5");
		hideLayer("frame5");
		hideLayer("scrollup6");
		hideLayer("scrolldown6");
		hideLayer("image6");
		hideLayer("frame6");
		hideLayer("scrollup7");
		hideLayer("scrolldown7");
		hideLayer("image7");
		hideLayer("frame7");
		showLayer("menu1off");
		showLayer("menu2off");
		showLayer("menu3off");
		showLayer("menu4off");
		showLayer("menu5off");
		showLayer("menu6off");
		showLayer("menu7off");
		showLayer("menu8on");
		showLayer("scrollup8");
		showLayer("scrolldown8");
		showLayer("image8");
		showLayer("frame8");
	}
}