platform = ((navigator.platform.indexOf('Win') > -1) ? "win" : "mac");
	if (platform == "mac"){
		document.write("<LINK rel='stylesheet' href='includes/styles.css' type='text/css'>")
	} else {
		document.write("<LINK rel='stylesheet' href='includes/styles.css' type='text/css'>")
	}
	
	function rollover(imagename){
		document.images[imagename].src = "images/" + imagename + "_roll.gif";
	}
	
	function rollout(imagename){
		document.images[imagename].src = "images/" + imagename + ".gif";
	}
	
	img_index_09_roll = new Image(); img_index_09_roll.src = "images/img_index_09_roll.gif";
	img_index_09 = new Image(); img_index_09.src = "images/img_index_09.gif";
	img_index_17_roll = new Image(); img_index_17_roll.src = "images/img_index_17_roll.gif";
	img_index_17 = new Image(); img_index_17.src = "images/img_index_17.gif";