// Rollover images - 4 functions

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) { //v4.01
  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];}
}

// End rollover images

function trackPath(mark) { // Marks the current page with a bullet
if(document.images[mark]) { 
document.images[mark].src = '../images/global/bullet-nav.gif' ; 
}}

// Cookie handling functions

function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}
var p="quality"
function setCookie(name, value, expires) {
  //alert("setCookie(" + name + ", " + value + ", " + expires + ")");
  document.cookie = name + "=" + escape(value) + "; path=/" +
  ((expires == null) ? "" : "; expires=" + expires.toGMTString());
}

function cookiesEnabled() {
  var testCookie;
  testCookie=setCookie("test", "novalue", null);
  return (getCookie("test") != null);
}

function openDoc(docname){
	window.open(docname,'otherwindow');
	return true;
}
function openDoc_old(docname){
  if (cookiesEnabled()){
    var cookie;
    var end_date;
    var resp;
    var otherwin;
    end_date=new Date();
    returnval=false;
    // set date for expiry to be now + 30 days
    end_date.setTime(end_date.getTime() + (1000 * 60 * 60 * 24 * 30));

    //uncomment next line to set expiry in past - deleting cookie: for testing
    //end_date.setTime(spare.getTime() - (1000 * 60 * 60 * 24 * 365));

    /* get value of cookie */
    cookie=getCookie("sapcookie");

    /* if already voted on current question */
    if (cookie != null){
      //alert("cookie is not null");
        
      if (cookie=p) window.open(docname,'otherwindow');
    }else{
      resp=prompt("Please register before accessing these resources\nor if you have already registered enter the password here.","");
      if(resp==p){
        setCookie("sapcookie", p, end_date);
        otherwin=window.open(docname,'otherwindow');
      }else{
        otherwin=window.location.href="../../toolkit-index/register.html";
      }
    }
  }else{
   window.status="PLEASE ENABLE COOKIES IN YOUR BROWSER PREFERENCES TO ACCESS THESE RESOURCES";   
   return false;
  }
}