var newdiv = null;
function switchTown(){
	var townDiv = document.getElementById('ChooseOption');
	if ( townDiv.style.display == 'block' ){
		try{
			townDiv.style.display = 'none';
			townDiv.removeChild(newdiv);
		}catch (te1){
		}
	}else{
		try{
			townDiv.style.display = 'block';
			var ifr = document.createElement('iframe');
			ifr.style.width = townDiv.offsetWidth;
			ifr.style.height = townDiv.offsetHeight;
			ifr.frameBorder = 0;
			newdiv = ifr;
			townDiv.appendChild(ifr);
		}catch (te2){
		}
	}
}