// --- Functions relating to the Printer Friendly page ----
function go_back() {
// Due to issues with history.go(-1) and certain browsers not recognizing the 
// '?print=on' argument as a different page, this code simulates the 'back'
// functionality.
  var test=String(document.location).substring(0,String(document.location).indexOf("print=on"))
  if (test.charAt(test.length-1)=='?') {test=test.substring(0,test.length-1);}
  document.location=test;
}

function printer() {
  document.location=document.location+"?print=on";
}

function printMode() {
  if (String(document.location).match("print=on")) {
    document.write('<body onLoad="window.print()"><link rel="stylesheet" href="css/print.css" />');

  }
}

// --- ----------------------------------------------- ----


if (document.cookie && unescape(document.cookie).indexOf('textSize=') != -1) {
  var cookieData = getTxtSize();
  var enlargeText =+ cookieData['enlargeText'];
} else {
  enlargeText = false;
  document.cookie = escape("textSize=enlargeText&0;");
}

function getTxtSize() {
  var re = /(textSize=[^;]+)/
  re.test(unescape(document.cookie));
  var rawCookie = (RegExp.$1.split('='))[1].split('&');
  var cookieData = readCookie(rawCookie);
  return cookieData;
}

function readCookie(rawCookie) {
  var cookieData = tmpArr = new Array();
  for (var i=0; i<rawCookie.length; i+=2) {
    cookieData[rawCookie[i]] = new Array();

    if(rawCookie[i+1].indexOf(',') != -1) tmpArr = rawCookie[i+1].split(',');
    else tmpArr = rawCookie[i+1];

    if(typeof(tmpArr) == 'object') for (var j=0; j<tmpArr.length; j++) { push(cookieData[rawCookie[i]], tmpArr[j]); }
    else push(cookieData[rawCookie[i]], tmpArr);
  }
  return cookieData;
}

function push (list, value) {
  list[list.length] = value;
  return list;
}

function tglTxtSize() {
  if (enlargeText) document.cookie = escape("textSize=enlargeText&0;");
  else document.cookie = escape("textSize=enlargeText&1;");
  location.reload();
}


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_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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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];}
}

MM_preloadImages('images/topnav/corporate_info_on.gif','images/topnav/home_on.gif','images/topnav/news_events_on.gif','images/topnav/patient_center_on.gif','images/topnav/technology_on.gif')
