// JavaScript Document

// ------------------------------------------------------------------------
// mouse over script
// ------------------------------------------------------------------------

function cngimg(n)
{
	var imgsrc = document.images[n].src;
	var imgextension = imgsrc.substr(imgsrc.length-3, 3);
	
	if(imgsrc.indexOf("_o.") < 0)
	{
		document.images[n].src = imgsrc.substring(0, imgsrc.length-4) + "_o." + imgextension;
	}
 	else
	{
  	document.images[n].src=imgsrc.substring(0,imgsrc.length-6) + "." + imgextension;
  }
}

/* ロールオーバー画像の先読み */

if(document.images)
{
  var imgs = new Array();
 
  imgs[10] = new Image();  imgs[10].src = "/img/cnav_overview_o.gif"; //画像パスを入力
  imgs[20] = new Image();  imgs[20].src = "/img/cnav_space_o.gif";
  imgs[30] = new Image();  imgs[30].src = "/img/cnav_price_o.gif";
  imgs[40] = new Image();  imgs[40].src = "/img/cnav_food_o.gif";
  imgs[50] = new Image();  imgs[50].src = "/img/cnav_usage_o.gif";
	imgs[60] = new Image();  imgs[60].src = "/img/cnav_guide_o.gif";
}