function checkform()
{
  if (!document.getElementById('tag').value) {alert('Please enter a SUGGESTED WORD'); return false;}
  if (!document.getElementById('url').value) {alert('Please enter a SITE URL'); return false;}
  if (!document.getElementById('agree').checked) {alert('Please read and agree the terms'); return false;}
  return true;
}

function preview()
{
  e=document.getElementById('word');
  e.style.color=document.getElementById('color').value;
  e.style.fontSize=document.getElementById('size').value;
  e.innerHTML=document.getElementById('tag').value;
  b=document.getElementById('b').checked;
  i=document.getElementById('i').checked;
  ol=document.getElementById('ol').checked;
  ul=document.getElementById('ul').checked;
  if (b) e.style.fontWeight='bold'; else e.style.fontWeight='normal';
  if (i) e.style.fontStyle='italic'; else e.style.fontStyle='normal';
  if (ol&&ul)
  {
    e.style.textDecoration='overline underline';
  }
  else if (ol)
  {
    e.style.textDecoration='overline';
  }
  else if (ul)
  {
    e.style.textDecoration='underline';
  }
  else e.style.textDecoration='none';
  e.title=document.getElementById('alt').value;
  e.href=document.getElementById('url').value;
}