function chg_button(titlename, onoff) {
	document[titlename].src = "images/button_" + titlename + "_" + onoff + ".jpg"
}

function hide_rows() {
	document.getElementById("row_dedicated").style.display = 'none';
	document.getElementById("row_dedicated").style.visibility = 'hidden';
	document.getElementById("row_authenticity").style.display = 'none';
	document.getElementById("row_authenticity").style.visibility = 'hidden';
	document.getElementById("row_equipment").style.display = 'none';
	document.getElementById("row_equipment").style.visibility = 'hidden';
	document.getElementById("row_staff").style.display = 'none';
	document.getElementById("row_staff").style.visibility = 'hidden';
	
	document.icon_dedicated.src = "images/icon_up.gif";
	document.icon_authenticity.src = "images/icon_up.gif";
	document.icon_equipment.src = "images/icon_up.gif";
	document.icon_staff.src = "images/icon_up.gif";
}

function show_row(row_id) {
	document.getElementById("row_dedicated").style.display = 'none';
	document.getElementById("row_dedicated").style.visibility = 'hidden';
	document.getElementById("row_authenticity").style.display = 'none';
	document.getElementById("row_authenticity").style.visibility = 'hidden';
	document.getElementById("row_equipment").style.display = 'none';
	document.getElementById("row_equipment").style.visibility = 'hidden';
	document.getElementById("row_staff").style.display = 'none';
	document.getElementById("row_staff").style.visibility = 'hidden';
		
	document.getElementById("row_"+row_id).style.display = 'block';
	document.getElementById("row_"+row_id).style.visibility = 'visible';
	document["icon_"+row_id].src = "images/icon_down.gif";
}