var current = 'Shanghai';
function cityToggle(x){
	if (x == 'Shanghai' && current != 'Shanghai'){
		$('showsBeijing').style.display = 'none';
		$('showsNanjing').style.display = 'none';
		Effect.Appear('showsShanghai', { duration: 0.4 });
		$('imgShanghai').src = '/images/Intermediate(50).gif';
		$('imgBeijing').src = '/images/Intermediate(53).gif';
		current = x;
	}
	else if (x == 'Beijing' && current != 'Beijing'){
		$('showsShanghai').style.display = 'none';
		$('showsNanjing').style.display = 'none';
		Effect.Appear('showsBeijing', { duration: 0.4 });
		$('imgShanghai').src = '/images/Intermediate(51).gif';
		$('imgBeijing').src = '/images/Intermediate(52).gif';
		current = x;
	}
	else if (x == 'Nanjing' && current != 'Nanjing'){
		$('showsShanghai').style.display = 'none';
		$('showsBeijing').style.display = 'none';
		Effect.Appear('showsNanjing', { duration: 0.4 });
		$('imgShanghai').src = '/images/Intermediate(51).gif';
		$('imgBeijing').src = '/images/Intermediate(52).gif';
		current = x;
	}

	else if (x == 'suggest_bj' && current != 'suggest_bj'){
		$('suggest_sh').style.display = 'none';
		$('suggest_nj').style.display = 'none';
		Effect.Appear('suggest_bj', { duration: 0.4 });
		current = x;
	}
	else if (x == 'suggest_sh' && current != 'suggest_sh'){
		$('suggest_bj').style.display = 'none';
		$('suggest_nj').style.display = 'none';
		Effect.Appear('suggest_sh', { duration: 0.4 });
		current = x;
	}
	else if (x == 'suggest_nj' && current != 'suggest_nj'){
		$('suggest_bj').style.display = 'none';
		$('suggest_sh').style.display = 'none';
		Effect.Appear('suggest_nj', { duration: 0.4 });
		current = x;
	}

	else {
		return false;
	}
}
