function tacproject_show(i) {
	document.getElementById(i).style.display = "block" ;
}

function tacproject_cl() {
	var comment = new Array("staffa_comment", "staffb_comment", "staffc_comment", "staffd_comment", "staffe_comment");
	for(var i=0; i<comment.length; i++){
		document.getElementById(comment[i]).style.display = "none" ;
	}
}