//javascript for obsolescence

var rolledup = true;
var rollokay = true;

//shows and hides
function showcaption(caption) {
 document.getElementById('subtitle-caption').innerHTML = caption;
}

function clearcaption() {
 document.getElementById('subtitle-caption').innerHTML = ' ';
}

function roller() {
 if (rollokay) {
  if (rolledup) {
   rolldown();
  } else {
   rollup();
  }
 }
}

function rolldown() {
 var speed = 10;
 var timer = 0;
 for (i=90; i<=220; i=i+5) {
  setTimeout("document.getElementById('title').style.paddingTop = " + i + " + 'px';",(timer * speed / 10));
  timer++;
  speed = speed + 5;
 }
 //fix for safari
 //setTimeout("document.getElementById('home').style.top = '182px';",500);
 rolledup = false;
}

function rollup() {
 var speed = 10;
 var timer = 0;
 for (i=220; i>=90; i=i-5) {
  setTimeout("document.getElementById('title').style.paddingTop = " + i + " + 'px';",(timer * speed / 10));
  timer++;
  speed = speed + 5;
 }
 //fix for safari
 //setTimeout("document.getElementById('home').style.top = '52px';",500);
 rolledup = true;
}