function pulldown_over(id){
	document.getElementById(id).style.display = 'block';
	
}

function pulldown_out(id){
	document.getElementById(id).style.display = 'none';
	
}

function bg_over(id){
	switch(id){
		case 'toei-navi':
		document.getElementById('topn-toei').style.backgroundImage ='url(http://www.toeishinkin.co.jp/img/navi2/glnavi01_o.gif)';
		break;
		
		case 'loan-navi':
		document.getElementById('topn-loan').style.backgroundImage ='url(http://www.toeishinkin.co.jp/img/navi2/glnavi03_o.gif)';
		break;
		
		case 'service-navi':
		document.getElementById('topn-service').style.backgroundImage ='url(http://www.toeishinkin.co.jp/img/navi2/glnavi04_o.gif)';
		break;
	}
}

function bg_out(id){
	switch(id){
		case 'toei-navi':
		document.getElementById('topn-toei').style.backgroundImage ='url(http://www.toeishinkin.co.jp/img/navi2/glnavi01.gif)';
		break;
		
		case 'loan-navi':
		document.getElementById('topn-loan').style.backgroundImage ='url(http://www.toeishinkin.co.jp/img/navi2/glnavi03.gif)';
		break;
		
		case 'service-navi':
		document.getElementById('topn-service').style.backgroundImage ='url(http://www.toeishinkin.co.jp/img/navi2/glnavi04.gif)';
		break;
	}
}