function sectionOne() {

menuitem1.className = 'topmenu_fill';
menuitem2.className = 'topmenu_border';
menuitem3.className = 'topmenu_border';

MM_showHideLayers('sectiontwo','','hide','sectionone','','show','sectionthree','','hide');

titlezz.innerHTML = "Map of Switzerland ";

}


function sectionTwo() {

menuitem1.className = 'topmenu_border';
menuitem2.className = 'topmenu_fill';
menuitem3.className = 'topmenu_border';

MM_showHideLayers('sectiontwo','','show','sectionone','','hide','sectionthree','','hide');

titlezz.innerHTML = "Canton description ";

}


function sectionThree() {

menuitem1.className = 'topmenu_border';
menuitem2.className = 'topmenu_border';
menuitem3.className = 'topmenu_fill';

MM_showHideLayers('sectiontwo','','hide','sectionone','','hide','sectionthree','','show');

titlezz.innerHTML = "Virtual City ";

}



function openCanton(cantonname) {

	var menucanton = top.document.getElementById('menuitem2');
	var framecanton = top.document.getElementById('cantons');

	menucanton.innerHTML = "&nbsp;&nbsp;&nbsp;&nbsp; <a href=javascript:; class=topmenu onClick=sectionTwo();>Canton: " + cantonname + "</a>&nbsp;&nbsp;&nbsp;&nbsp;";
	framecanton.src= cantonname + ".htm";
	sectionTwo();
 

}


function openCity(cityname) {

	var menucity = top.document.getElementById('menuitem3');
	var framecity = top.document.getElementById('cities');

	menucity.innerHTML = "&nbsp;&nbsp;&nbsp;&nbsp; <a href=javascript:; class=topmenu onClick=sectionThree();>City: " + cityname + "</a>&nbsp;&nbsp;&nbsp;&nbsp;";
	framecity.src= "panoram-" + cityname + ".htm";
	sectionThree();

}

function openCityFullscreen(cityid, cityname) {

	var menucity = top.document.getElementById('menuitem3');
	var framecity = top.document.getElementById('cities');

	menucity.innerHTML = "&nbsp;&nbsp;&nbsp;&nbsp; <a href=javascript:; class=topmenu onClick=sectionThree();>City: " + cityname + "</a>&nbsp;&nbsp;&nbsp;&nbsp;";
	framecity.src= "http://www.thevirtualcity.ch/externalmodule.php?cid=" + cityid;
	sectionThree();

}


function openCityFullscreen2(cityid, pointid, cityname) {

	var menucity = top.document.getElementById('menuitem3');
	var framecity = top.document.getElementById('cities');

	menucity.innerHTML = "&nbsp;&nbsp;&nbsp;&nbsp; <a href=javascript:; class=topmenu onClick=sectionThree();>City: " + cityname + "</a>&nbsp;&nbsp;&nbsp;&nbsp;";
	framecity.src= "http://www.thevirtualcity.ch/externalmodule.php?cid=" + cityid + "&point=" + pointid;
	sectionThree();

}