function change1()
{
document.getElementById("change").innerHTML="<embed src='http://www.youtube.com/v/HfxtRTTBxBo?fs=1&amp;hl=en_US&amp;rel=0&amp;autoplay=1' type='application/x-shockwave-flash' allowscriptaccess='always' allowfullscreen='true' width='300' height='244'></embed></object>"
}
function change2()
{
document.getElementById("change").innerHTML="<embed src='http://www.youtube.com/v/9vIzVYqcZ1w?fs=1&amp;hl=en_US&amp;rel=0&amp;autoplay=1' type='application/x-shockwave-flash' allowscriptaccess='always' allowfullscreen='true' width='300' height='244'></embed>"
}
function change3()
{
document.getElementById("change").innerHTML="<embed src='http://www.youtube.com/v/nLksFPpWFak?fs=1&amp;hl=en_US&amp;rel=0&amp;autoplay=1' type='application/x-shockwave-flash' allowscriptaccess='always' allowfullscreen='true' width='300' height='244'></embed>"
}