function today_isaw()
{
window.open('http://todayisaw.com/submit-2?url=' + document.location.href + '&title='+document.title);
}

document.write("<input type='image' onclick='today_isaw()' src='http://todayisaw.com/wp-content/uploads/2011/11/todayisaw1.png' alt='Today I Saw' />");