if (document.images){
	var sm_dk = new Image();
	sm_dk.src = "smallA_dk.gif";
	var sm_lt = new Image();
	sm_lt.src = "smallA_lt.gif";
	var med_dk = new Image();
	med_dk.src = "medA_dk.gif";
	var med_lt = new Image();
	med_lt.src = "medA_lt.gif";
	var lg_dk = new Image();
	lg_dk.src = "largeA_dk.gif";
	var lg_lt = new Image();
	lg_lt.src = "largeA_lt.gif";
}

function changeTextSize(sizename){
	if (sizename != 's' && sizename != 'm' && sizename != 'l'){sizename = 'm';}
	var bodySizes = new Array();
	bodySizes['s']='11';
	bodySizes['m']='14';
	bodySizes['l']='17';
	var h1Sizes = new Array();
	h1Sizes['s']='14';
	h1Sizes['m']='17'
	h1Sizes['l']='20';
	document.body.style.fontSize = bodySizes[sizename]+'px';
	var h1s = document.getElementsByTagName('h1');
	h1s[0].style.fontSize = h1Sizes[sizename]+'px';
	var sm_img = document.getElementById('smtext');
	var med_img = document.getElementById('medtext');
	var lg_img = document.getElementById('lgtext');
	//small
	if (sizename == 's'){
		sm_img.width = 14;
		sm_img.height = 21;
		sm_img.src= "smallA_dk.gif";
	} else {
		sm_img.width = 14;
		sm_img.height = 21;
		sm_img.src= "smallA_lt.gif";
	}
	//med
	if (sizename == 'm'){
		med_img.width = 14;
		med_img.height = 21;
		med_img.src= "medA_dk.gif";		
	} else {
		sm_img.width = 14;
		med_img.height = 21;
		med_img.src= "medA_lt.gif";
	}
	//large
	if (sizename == 'l'){
		lg_img.width = 14;
		lg_img.height = 21;
		lg_img.src= "largeA_dk.gif";
	} else {
		lg_img.width = 14;
		med_img.height = 21;
		lg_img.src= "largeA_lt.gif";
	}
	
	createCookie('sizepref',sizename,30);
}

function printPage() {
	window.print();  
}
function closeWin(){
	window.close();
}


//cookie functions for saving and calling up preferred styles
function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}