... has no properties (Opgelost)

<?php
function showFileUploader($uploaderId) {
		if (in_array($uploaderId, $this->uploaderIdArray)) {
			die($uploaderId." already used. please choose another id.");
			return '';
		}
		else {
			$this->uploaderIdArray[] = $uploaderId;
			return 'Upload foto<br />
					<form id="formName'.$uploaderId.'" method="post" enctype="multipart/form-data" action="'.__abUrl.'/system/upload/1/imageupload.php?dirname='.$this->uploadDirectory.'" target="iframe'.$uploaderId.'">
						<input type="hidden" name="id" value="'.$uploaderId.'" />							
						<span id="uploader'.$uploaderId.'" style="font-family:verdana;font-size:10;">
							Upload File: <input name="'.$uploaderId.'" type="file" value="'.$uploaderId.'" onchange=\'return uploadFile(this,"'.$this->uploadDirectory.'")\' /></span>
						<span id="loading'.$uploaderId.'"></span>						
						<iframe name="iframe'.$uploaderId.'" src="imageupload.php" width="400" height="100" style="display:none"> </iframe>
					</form>';
		}

<?php
function showFileUploader($uploaderId) {
		if (in_array($uploaderId, $this->uploaderIdArray)) {
			die($uploaderId." already used. please choose another id.");
			return '';
		}
		else {
			$this->uploaderIdArray[] = $uploaderId;
			return 'Upload foto<br />
					<form id="formName'.$uploaderId.'" method="post" enctype="multipart/form-data" action="'.__abUrl.'/system/upload/1/imageupload.php?dirname='.$this->uploadDirectory.'" target="iframe'.$uploaderId.'">
						<input type="hidden" name="id" value="'.$uploaderId.'" />							
						<span id="uploader'.$uploaderId.'" style="font-family:verdana;font-size:10;">
							Upload File: <input name="'.$uploaderId.'" type="file" value="'.$uploaderId.'" onchange=\'return uploadFile(this,"'.$this->uploadDirectory.'")\' /></span>
						<span id="loading'.$uploaderId.'"></span>						
						<iframe name="iframe'.$uploaderId.'" src="imageupload.php" width="400" height="100" style="display:none"> </iframe>
					</form>';
		}

<form id="formNameid1" method="post" enctype="multipart/form-data" action="http://localhost/pj_muller/1//system/upload/1/imageupload.php?dirname=houses/" target="iframeid1">
						<input type="hidden" name="id" value="id1" />							
						<span id="uploaderid1" style="font-family:verdana;font-size:10;">
							Upload File: <input name="id1" type="file" value="id1" onchange='return uploadFile(this,"houses/")' /></span>
						<span id="loadingid1"></span>						
						<iframe name="iframeid1" src="imageupload.php" width="400" height="100" style="display:none"> </iframe>

					</form>

<form id="formNameid1" method="post" enctype="multipart/form-data" action="http://localhost/pj_muller/1//system/upload/1/imageupload.php?dirname=houses/" target="iframeid1">
						<input type="hidden" name="id" value="id1" />							
						<span id="uploaderid1" style="font-family:verdana;font-size:10;">
							Upload File: <input name="id1" type="file" value="id1" onchange='return uploadFile(this,"houses/")' /></span>
						<span id="loadingid1"></span>						
						<iframe name="iframeid1" src="imageupload.php" width="400" height="100" style="display:none"> </iframe>
 
					</form>

function uploadFile(obj, dname) {
	uploadDir=obj.value;
	idname=obj.name;
	dirname=dname;
	filename=uploadDir.substr(uploadDir.lastIndexOf('\\')+1);
	document.getElementById('loading'+idname).innerHTML="<img src='system/upload/1/loading.gif' alt='loading...' />";
	uploaderId = 'uploader'+obj.name;
	uploader = obj.name;
	document.getElementById('formName'+obj.name).submit();
	timeInterval=setInterval("traceUpload()", 1500);
}

function uploadFile(obj, dname) {
	uploadDir=obj.value;
	idname=obj.name;
	dirname=dname;
	filename=uploadDir.substr(uploadDir.lastIndexOf('\\')+1);
	document.getElementById('loading'+idname).innerHTML="<img src='system/upload/1/loading.gif' alt='loading...' />";
	uploaderId = 'uploader'+obj.name;
	uploader = obj.name;
	document.getElementById('formName'+obj.name).submit();
	timeInterval=setInterval("traceUpload()", 1500);
}

document.getElementById('formName'+obj.name).submit();

document.getElementById('formName'+obj.name).submit();

document.forms[ 'formName' + obj.name ].submit();

document.forms[ 'formName' + obj.name ].submit();

 var f = document.getElementsByTagName('form');
 for (var i=(f.length-1);i>=0;i--)
  {
	alert(f[i].name);
  }

var f = document.getElementsByTagName('form');
 for (var i=(f.length-1);i>=0;i--)
  {
	alert(f[i].name);
  }

/* retouneert het formulier als object 
   Je kan natuurlijk ook .className gebruiken of gewoon .name
   als identifier..
*/
function getFormById(Id) {
 var f = document.getElementsByTagName('form');
 for (var i=(f.length-1);i>=0;i--)
  {
	if (f[i].id == Id) return f[i];
  }
}

/* retouneert het formulier als object 
   Je kan natuurlijk ook .className gebruiken of gewoon .name
   als identifier..
*/
function getFormById(Id) {
 var f = document.getElementsByTagName('form');
 for (var i=(f.length-1);i>=0;i--)
  {
	if (f[i].id == Id) return f[i];
  }
}

{fckeditor}			
			<script type="text/javascript" src="{__abUrl}system/upload/1/uploader.js"></script>
			<a href="javascript: document.addobj.submit();">Voeg object toe</a>
			<input type="submit" name="addobj" value="Voeg object toe" />
			{uploader}
			</form>

{fckeditor}			
			<script type="text/javascript" src="{__abUrl}system/upload/1/uploader.js"></script>
			<a href="javascript: document.addobj.submit();">Voeg object toe</a>
			<input type="submit" name="addobj" value="Voeg object toe" />
			{uploader}
			</form>