// preload and turnon/off images

	pic1tl12Rbtn_on = new Image(171,26);
	pic1tl12Rbtn_on.src = "img/tlbtn12_1mo.png";
	pic1tl12Rbtn_off = new Image(171,26);
	pic1tl12Rbtn_off.src = "img/tlbtn12_1.png";
	pic2tl12Rbtn_on = new Image(171,26);
	pic2tl12Rbtn_on.src = "img/tlbtn12_2mo.png";
	pic2tl12Rbtn_off = new Image(171,26);
	pic2tl12Rbtn_off.src = "img/tlbtn12_2.png";
	pic3tl12Rbtn_on = new Image(171,26);
	pic3tl12Rbtn_on.src = "img/tlbtn12_3mo.png";
	pic3tl12Rbtn_off = new Image(171,26);
	pic3tl12Rbtn_off.src = "img/tlbtn12_3.png";
	pic4tl12Rbtn_on = new Image(171,26);
	pic4tl12Rbtn_on.src = "img/tlbtn12_4mo.png";
	pic4tl12Rbtn_off = new Image(171,26);
	pic4tl12Rbtn_off.src = "img/tlbtn12_4.png";
	pic5tl12Rbtn_on = new Image(171,26);
	pic5tl12Rbtn_on.src = "img/tlbtn12_5mo.png";
	pic5tl12Rbtn_off = new Image(171,26);
	pic5tl12Rbtn_off.src = "img/tlbtn12_5.png";
	pic6tl12Rbtn_on = new Image(171,26);
	pic6tl12Rbtn_on.src = "img/tlbtn12_6mo.png";
	pic6tl12Rbtn_off = new Image(171,26);
	pic6tl12Rbtn_off.src = "img/tlbtn12_6.png";
	pic7tl12Rbtn_on = new Image(171,26);
	pic7tl12Rbtn_on.src = "img/tlbtn12_7mo.png";
	pic7tl12Rbtn_off = new Image(171,26);
	pic7tl12Rbtn_off.src = "img/tlbtn12_7.png";
	pic8tl12Rbtn_on = new Image(171,26);
	pic8tl12Rbtn_on.src = "img/tlbtn12_8mo.png";
	pic8tl12Rbtn_off = new Image(171,26);
	pic8tl12Rbtn_off.src = "img/tlbtn12_8.png";
	pic9tl12Rbtn_on = new Image(171,26);
	pic9tl12Rbtn_on.src = "img/tlbtn12_9mo.png";
	pic9tl12Rbtn_off = new Image(171,26);
	pic9tl12Rbtn_off.src = "img/tlbtn12_9.png";
	pic10tl12Rbtn_on = new Image(171,26);
	pic10tl12Rbtn_on.src = "img/tlbtn12_10mo.png";
	pic10tl12Rbtn_off = new Image(171,26);
	pic10tl12Rbtn_off.src = "img/tlbtn12_10.png";
	pic11tl12Rbtn_on = new Image(171,26);
	pic11tl12Rbtn_on.src = "img/tlbtn12_11mo.png";
	pic11tl12Rbtn_off = new Image(171,26);
	pic11tl12Rbtn_off.src = "img/tlbtn12_11.png";
	pic12tl12Rbtn_on = new Image(171,26);
	pic12tl12Rbtn_on.src = "img/tlbtn12_12mo.png";
	pic12tl12Rbtn_off = new Image(171,26);
	pic12tl12Rbtn_off.src = "img/tlbtn12_12.png";
	pic13tl12Rbtn_on = new Image(171,26);
	pic13tl12Rbtn_on.src = "img/tlbtn12_13mo.png";
	pic13tl12Rbtn_off = new Image(171,26);
	pic13tl12Rbtn_off.src = "img/tlbtn12_13.png";
	pic391tl12Rbtn_on = new Image(171,26);
	pic391tl12Rbtn_on.src = "img/tlbtn12_391mo.png";
	pic391tl12Rbtn_off = new Image(171,26);
	pic391tl12Rbtn_off.src = "img/tlbtn12_391.png";
	pic482tl12Rbtn_on = new Image(171,26);
	pic482tl12Rbtn_on.src = "img/tlbtn12_482mo.png";
	pic482tl12Rbtn_off = new Image(171,26);
	pic482tl12Rbtn_off.src = "img/tlbtn12_482.png";
	pic482555tl12Rbtn_on = new Image(171,26);
	pic482555tl12Rbtn_on.src = "img/tlbtn12_482555mo.png";
	pic482555tl12Rbtn_off = new Image(171,26);
	pic482555tl12Rbtn_off.src = "img/tlbtn12_482555.png";
	pic498tl12Rbtn_on = new Image(171,26);
	pic498tl12Rbtn_on.src = "img/tlbtn12_498mo.png";
	pic498tl12Rbtn_off = new Image(171,26);
	pic498tl12Rbtn_off.src = "img/tlbtn12_498.png";
	pic555tl12Rbtn_on = new Image(171,26);
	pic555tl12Rbtn_on.src = "img/tlbtn12_555mo.png";
	pic555tl12Rbtn_off = new Image(171,26);
	pic555tl12Rbtn_off.src = "img/tlbtn12_555.png";


function turnontl(place,imgName) {
      document[place].src= eval(imgName + "_on.src"); 
}

function turnofftl(place,imgName) {
      document[place].src= eval(imgName + "_off.src"); 
}


// assign button displays

	var timeline_12R = new Array();
	timeline_12R[1] = 'Region1.html';
	timeline_12R[2] = 'Region2.html';
	timeline_12R[3] = 'Region3.html';
	timeline_12R[4] = 'Region4.html';
	timeline_12R[5] = 'Region5.html';
	timeline_12R[6] = 'Region6.html';
	timeline_12R[7] = 'Region7.html';
	timeline_12R[8] = 'Region8.html';
	timeline_12R[9] = 'Region9.html';
	timeline_12R[10] = 'Region10.html';
	timeline_12R[11] = 'Region11.html';
	timeline_12R[12] = 'Region12.html';
	timeline_12R[13] = 'Region13.html';
	timeline_12R[391] = 'Region13.html';
	timeline_12R[482] = 'Region13.html';
	timeline_12R[498] = 'Region13.html';
	timeline_12R[482555] = 'Region13.html';
	timeline_12R[555] = 'Region13.html';

	function display12Rtimeline(imgNo) {
		document.write('<a href="'+timeline_12R[imgNo]+'" onmouseover="turnontl(\'tl12R'+imgNo+'\',\'pic'+imgNo+'tl12Rbtn\')" onmouseout="turnofftl(\'tl12R'+imgNo+'\',\'pic'+imgNo+'tl12Rbtn\')"><img src="img/tlbtn12_'+imgNo+'.png" name="tl12R'+imgNo+'" border="0"></a>');
}

	function display12Rtimelinesel(imgNo) {
		document.write('<img src="img/tlbtn12_'+imgNo+'sel.png" border="0"></a>');
}