Almond Joys got nuts Mounds don't!

Code in green works, Code in red don't! Even with functions commented out.
Error is "object does not support this property or method..." Anybody wnat to hazard a guess?

		<td nowrap id = "Left_Panel">
			<div align="center" class = "style1">
					Edit Text
				<div></div>
				<div>
					<input id=TxttoImg type="text" name="TextEntry" onKeyUp="TxttoImg(this.name,this.value)">
					&nbsp;
					<input name="Next" type="button" value="Next Line" onClick = "Next()">
					<input name="Counter" type="text" value="1" size="1">
&nbsp;				</div>
				<div>Size
[COLOR="YellowGreen"]					<input id="Dec" name="Dec" type="button" value="-" onClick="FontSize(this.id)">
					<input id="Inc" name="Inc" type="button" value="+" onClick="FontSize(this.id)">[/COLOR]
					<input name="TextSize" type="text" size="3" value="32" onkeyup = "TxttoImg(this.name,this.value)">
					&nbsp;
					Shadow
					<input name="Shadow" type="checkbox" id="Shadow" onClick="TxttoImg(this.name,this.checked)" value="Shadow">
				</div>
				</div>
				<div align="center" class = "style1">
				<br>
				Edit Image
				<div>
					<iframe scrolling="no" src="Uploader.php" id="Upload" name="Upload" style="width:340; height:215;"></iframe>
				</div>
				<div>
				
				Zoom
[COLOR="Red"]					<input id="Zoomout" name="Zoomout" type="button" value="-" onClick= "Zoom(this.id)">
					<input id="Zoomin" name="Zoomin" type="button" value="+" onClick= "Zoom(this.id)">[/COLOR]
					&nbsp;
					<input name="textfield3" type="text" value="100" size="3">
					<span class="style4">%</span>				</div>
				<div>
					<form enctype="multipart/form-data" action = "Uploader.php?ProjectID=<?php echo $ProjectID ?>" method="POST" target="Upload">
						<input type="hidden" name="MAX_FILE_SIZE" value="5000000">
						<input type="file" name="UploadFile"><br>
						<input name="Upload" type="submit"  value="Upload">
					</form>
				</div>
			</div>
		</td>

Code (markup):