// preload and turnon/off images


	pic20tlNEbtn_on = new Image(171,29);
	pic20tlNEbtn_on.src = "img/tlbtn_ne20mo.png";
	pic20tlNEbtn_off = new Image(171,29);
	pic20tlNEbtn_off.src = "img/tlbtn_ne20.png";
/* Current NE Sections */
	pic14tlNEbtn_on = new Image(171,29);
	pic14tlNEbtn_on.src = "img/tlbtn_ne14mo.png";
	pic14tlNEbtn_off = new Image(171,29);
	pic14tlNEbtn_off.src = "img/tlbtn_ne14.png";
	pic13tlNEbtn_on = new Image(171,26);
	pic13tlNEbtn_on.src = "img/tlbtn_ne13mo.png";
	pic13tlNEbtn_off = new Image(171,26);
	pic13tlNEbtn_off.src = "img/tlbtn_ne13.png";
	pic12tlNEbtn_on = new Image(171,26);
	pic12tlNEbtn_on.src = "img/tlbtn_ne12mo.png";
	pic12tlNEbtn_off = new Image(171,26);
	pic12tlNEbtn_off.src = "img/tlbtn_ne12.png";
	pic11tlNEbtn_on = new Image(171,26);
	pic11tlNEbtn_on.src = "img/tlbtn_ne11mo.png";
	pic11tlNEbtn_off = new Image(171,26);
	pic11tlNEbtn_off.src = "img/tlbtn_ne11.png";
	pic10tlNEbtn_on = new Image(171,26);
	pic10tlNEbtn_on.src = "img/tlbtn_ne10mo.png";
	pic10tlNEbtn_off = new Image(171,26);
	pic10tlNEbtn_off.src = "img/tlbtn_ne10.png";
	pic9tlNEbtn_on = new Image(171,26);
	pic9tlNEbtn_on.src = "img/tlbtn_ne9mo.png";
	pic9tlNEbtn_off = new Image(171,26);
	pic9tlNEbtn_off.src = "img/tlbtn_ne9.png";
	pic8tlNEbtn_on = new Image(171,26);
	pic8tlNEbtn_on.src = "img/tlbtn_ne8mo.png";
	pic8tlNEbtn_off = new Image(171,26);
	pic8tlNEbtn_off.src = "img/tlbtn_ne8.png";
	pic7tlNEbtn_on = new Image(171,26);
	pic7tlNEbtn_on.src = "img/tlbtn_ne7mo.png";
	pic7tlNEbtn_off = new Image(171,26);
	pic7tlNEbtn_off.src = "img/tlbtn_ne7.png";
	pic6tlNEbtn_on = new Image(171,26);
	pic6tlNEbtn_on.src = "img/tlbtn_ne6mo.png";
	pic6tlNEbtn_off = new Image(171,26);
	pic6tlNEbtn_off.src = "img/tlbtn_ne6.png";
	pic5tlNEbtn_on = new Image(171,26);
	pic5tlNEbtn_on.src = "img/tlbtn_ne5mo.png";
	pic5tlNEbtn_off = new Image(171,26);
	pic5tlNEbtn_off.src = "img/tlbtn_ne5.png";
	pic4tlNEbtn_on = new Image(171,26);
	pic4tlNEbtn_on.src = "img/tlbtn_ne4mo.png";
	pic4tlNEbtn_off = new Image(171,26);
	pic4tlNEbtn_off.src = "img/tlbtn_ne4.png";
	pic3tlNEbtn_on = new Image(171,26);
	pic3tlNEbtn_on.src = "img/tlbtn_ne3mo.png";
	pic3tlNEbtn_off = new Image(171,26);
	pic3tlNEbtn_off.src = "img/tlbtn_ne3.png";
	pic2tlNEbtn_on = new Image(171,26);
	pic2tlNEbtn_on.src = "img/tlbtn_ne2mo.png";
	pic2tlNEbtn_off = new Image(171,26);
	pic2tlNEbtn_off.src = "img/tlbtn_ne2.png";
	pic1tlNEbtn_on = new Image(171,26);
	pic1tlNEbtn_on.src = "img/tlbtn_ne1mo.png";
	pic1tlNEbtn_off = new Image(171,26);
	pic1tlNEbtn_off.src = "img/tlbtn_ne1.png";
/* NORTHEAST REGION */
	pic0tlNEbtn_on = new Image(171,23);
	pic0tlNEbtn_on.src = "img/tlbtn_ne0mo.png";
	pic0tlNEbtn_off = new Image(171,23);
	pic0tlNEbtn_off.src = "img/tlbtn_ne0.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_ne = new Array();
	timeline_ne[20] = 'NElist.html';
	timeline_ne[14] = 'NEupdates.html';
	timeline_ne[13] = 'NE2008R.html';
	timeline_ne[12] = 'NE2001-08.html';
	timeline_ne[11] = 'NE2000R.html';
	timeline_ne[10] = 'NE1998-00.html';
	timeline_ne[9] = 'NE1997R.html';
	timeline_ne[8] = 'NE1995-97.html';
	timeline_ne[7] = 'NE1994R.html';
	timeline_ne[6] = 'NE1989-94.html';
	timeline_ne[5] = 'NE1988R.html';
	timeline_ne[4] = 'NE1984-88.html';
	timeline_ne[3] = 'NE1983T.html';
	timeline_ne[2] = 'NE1974-83.html';
	timeline_ne[1] = 'NE1973.html';
	timeline_ne[0] = 'NE1973.html';


	function displayNEtimeline(imgNo) {
		document.write('<a href="'+timeline_ne[imgNo]+'" onmouseover="turnontl(\'tlNE'+imgNo+'\',\'pic'+imgNo+'tlNEbtn\')" onmouseout="turnofftl(\'tlNE'+imgNo+'\',\'pic'+imgNo+'tlNEbtn\')"><img src="img/tlbtn_ne'+imgNo+'.png" name="tlNE'+imgNo+'" border="0"></a>');
}

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