function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function init() {
	MM_preloadImages('images/overview_over.gif','images/plan_over.gif','images/enroll_over.gif','images/tips_over.gif','images/glossary_over.gif','images/started_over.gif','images/learnmore_over.gif','images/textsize_03.gif','images/textsize_05.gif','images/textsize_07.gif');

	var cookieval=readCookie('FontSize');
	if(!cookieval){
		createCookie('FontSize','0');
		cookieval=readCookie('FontSize');
	};
	setFontSize(cookieval);
};

// emArray is list of sizes with ems as the unit of measure
var emArray = ['0.8','0.9','1'];

function fontSize(size,id){
	if(!document.getElementById) return;
	setFontSize(size);
	createCookie('FontSize', size, 0);
};

function setFontSize(size){
	var d=document, fsize=['Image11','Image9','Image10'];

	d.getElementsByTagName('body')[0].style.fontSize = emArray[size]+'em';
	for(i=0; i<fsize.length;i++){
		d.getElementById(fsize[i]).style.display='block';
		d.getElementById(fsize[i]+'_inactive').style.display='none';
	};
	d.getElementById(fsize[size]).style.display='none';
	d.getElementById(fsize[size]+'_inactive').style.display='block';
};

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{ var expires = ""; };
	document.cookie = name+"="+value+expires+"; path=/";
};

function readCookie(name) {
	var nameEQ = name+"=", ca = document.cookie.split(';'), i, c;
	for(i=0; i<ca.length; i++){
		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;
};