small issue with javascript
	<html>
	<head>
	<script type="text/javascript">
	function blz()
	{
	//alert("asdf");
	//document.getElementById("link").innerHTML='https://www.facebook.com/dialog/feed?app_id=172099656214641&link='+encodeURI(document.getElementById("product").value)+'&picture=http%3A%2F%2Fsocial.gogmat.com%2Fimages%2Flogo_03.jpg&name='+encodeURI(document.getElementById("subject").value)+'&caption=Invitation%20to%20checkout%20product%20on%20Gogmat&description=Check%20this%20product%20on%20social.gogmat.com%20now.%0A'+encodeURI(document.getElementById("message").value)+'&message=Check%20this%20product%20on%20social.gogmat.com%20now.%0A'+encodeURI(document.getElementById("message").value)+'&redirect_uri='+encodeURI(document.getElementById("redirect").value);

	document.getElementById("link").innerHTML=encodeURI("https://www.facebook.com/dialog/feed?app_id=172099656214641&link="+document.getElementById("product").value+"&picture=http%3A%2F%2Fsocial.gogmat.com%2Fimages%2Flogo_03.jpg&name="+document.getElementById("subject").value+"&caption=Invitation%20to%20checkout%20product%20on%20Gogmat&description=Check%20this%20product%20on%20social.gogmat.com%20now.%0A"+document.getElementById("message").value+"&message=Check%20this%20product%20on%20social.gogmat.com%20now.%0A"+document.getElementById("message").value+"&redirect_uri="+document.getElementById("redirect").value);

	//document.getElementById('button1').href='https://www.facebook.com/dialog/feed?app_id=172099656214641&link='+encodeURI(document.getElementById("product").value)+'&picture=http%3A%2F%2Fsocial.gogmat.com%2Fimages%2Flogo_03.jpg&name='+encodeURI(document.getElementById("subject").value)+'&caption=Invitation%20to%20checkout%20product%20on%20Gogmat&description=Check%20this%20product%20on%20social.gogmat.com%20now.%0A'+encodeURI(document.getElementById("message").value)+'&message=Check%20this%20product%20on%20social.gogmat.com%20now.%0A'+encodeURI(document.getElementById("message").value)+'&redirect_uri='+encodeURI(document.getElementById("redirect").value);

	}
	</script>
	</head>
	<body>
	<form action="#">
	subject:<input type="text" id="subject" name="subject" value="" onkeyup="return blz()" /><br/>
	personal message:<input type="text" id="message" name="message" value="" onkeyup="return blz()" /><br/>
	select product for recommend:<input type="text" id="product" name="product" value="" onkeyup="return blz()" /><br/>
	link return:<input type="text" id="return" name="return" value="" onkeyup="return blz()" /><br/>
	<textarea id="link" name="link" rows="10" cols="40" readonly></textarea><br/>
	<a id="button1" href="" target="_blank"><img src="http://social.gogmat.com/components/com_referal/assets/images/bg_send.gif" alt="send button" /></a><br/>
	<input type="submit" />
	</form>
	</body>
	</html>
please fix this for me, am facing the problem with the above code, it is not showing the text inside the textarea or href part of the anchor tag, am in total confusion for the first time about this regard in javascript.
small issue with javascript
===

	<html>
	<head>
	<script type="text/javascript">
	function blz()
	{
	//alert("asdf");
	//document.getElementById("link").innerHTML='https://www.facebook.com/dialog/feed?app_id=172099656214641&link='+encodeURI(document.getElementById("product").value)+'&picture=http%3A%2F%2Fsocial.gogmat.com%2Fimages%2Flogo_03.jpg&name='+encodeURI(document.getElementById("subject").value)+'&caption=Invitation%20to%20checkout%20product%20on%20Gogmat&description=Check%20this%20product%20on%20social.gogmat.com%20now.%0A'+encodeURI(document.getElementById("message").value)+'&message=Check%20this%20product%20on%20social.gogmat.com%20now.%0A'+encodeURI(document.getElementById("message").value)+'&redirect_uri='+encodeURI(document.getElementById("redirect").value);

	document.getElementById("link").innerHTML=encodeURI("https://www.facebook.com/dialog/feed?app_id=172099656214641&link="+document.getElementById("product").value+"&picture=http%3A%2F%2Fsocial.gogmat.com%2Fimages%2Flogo_03.jpg&name="+document.getElementById("subject").value+"&caption=Invitation%20to%20checkout%20product%20on%20Gogmat&description=Check%20this%20product%20on%20social.gogmat.com%20now.%0A"+document.getElementById("message").value+"&message=Check%20this%20product%20on%20social.gogmat.com%20now.%0A"+document.getElementById("message").value+"&redirect_uri="+document.getElementById("redirect").value);

	//document.getElementById('button1').href='https://www.facebook.com/dialog/feed?app_id=172099656214641&link='+encodeURI(document.getElementById("product").value)+'&picture=http%3A%2F%2Fsocial.gogmat.com%2Fimages%2Flogo_03.jpg&name='+encodeURI(document.getElementById("subject").value)+'&caption=Invitation%20to%20checkout%20product%20on%20Gogmat&description=Check%20this%20product%20on%20social.gogmat.com%20now.%0A'+encodeURI(document.getElementById("message").value)+'&message=Check%20this%20product%20on%20social.gogmat.com%20now.%0A'+encodeURI(document.getElementById("message").value)+'&redirect_uri='+encodeURI(document.getElementById("redirect").value);

	}
	</script>
	</head>
	<body>
	<form action="#">
	subject:<input type="text" id="subject" name="subject" value="" onkeyup="return blz()" /><br/>
	personal message:<input type="text" id="message" name="message" value="" onkeyup="return blz()" /><br/>
	select product for recommend:<input type="text" id="product" name="product" value="" onkeyup="return blz()" /><br/>
	link return:<input type="text" id="return" name="return" value="" onkeyup="return blz()" /><br/>
	<textarea id="link" name="link" rows="10" cols="40" readonly></textarea><br/>
	<a id="button1" href="" target="_blank"><img src="http://social.gogmat.com/components/com_referal/assets/images/bg_send.gif" alt="send button" /></a><br/>
	<input type="submit" />
	</form>
	</body>
	</html>
please fix this for me, am facing the problem with the above code, it is not showing the text inside the textarea or href part of the anchor tag, am in total confusion for the first time about this regard in javascript.