// Set all the event listener on the selectbox

function enableFilearea() {
	
	//$('label_file_to_send').setStyle({ color: '#000'}) ;
	document.getElementById('label_file_to_send').style.color="#000";
	//$('label_text_to_send').setStyle({ color: '#000'}) ;
	document.getElementById('label_text_to_send').style.color="#aaa";
	//$('input_file').disabled = false  ;
	document.send_form.file_content.disabled = false;
	//$('input_text').disabled = true ;
	document.send_form.text_content.disabled = true;
	document.getElementById('textarea').style.display='none';
	document.getElementById('file').style.display='block';
	document.getElementById('document_to_send_text').selected = "false";
}

function observeFilearea() {
	
	//removeTextFromFileareaBind = removeTextFromTextarea.bindAsEventListener();
	//Event.observe('document_to_send_file', 'click', enableFilearea ) ;
	var sendFile = document.getElementById('document_to_send_file');
	if(sendFile.addEventListener)
		sendFile.addEventListener('click', enableFilearea, false);
	else if(sendFile.attachEvent)
		sendFile.attachEvent('onclick', enableFilearea);
}


function enableTxtarea(){

	//$('label_file_to_send').setStyle({ color: '#fff'}) ;
	//$('label_text_to_send').setStyle({ color: '#000'}) ;
	
	document.getElementById('label_file_to_send').style.color = "#aaa";
	document.getElementById('label_text_to_send').style.color = "#000";
	
	document.send_form.file_content.disabled = true;
	document.send_form.text_content.disabled = false;
	document.getElementById('file').style.display='none';
	document.getElementById('textarea').style.display='block';
}

function observeTxtarea() {
	
	//removeTextFromTextareaBind = removeTextFromTextarea.bindAsEventListener();
	//Event.observe('input_text', 'click', removeTextFromTextarea ) ;
	//Event.observe('document_to_send_text','click',enableTextarea) ;
	var sendT = document.getElementById('document_to_send_text');
	if(sendT.addEventListener)
		sendT.addEventListener('click', enableTxtarea, false);
	else if(sendT.attachEvent)
		sendT.attachEvent('onclick', enableTxtarea);
}

function removeTextFromTextarea() {

	//$('input_text').value = '' ;
	document.send_form.input_text.value = '' ;
	Event.stopObserving('input_text', 'click', removeTextFromTextarea);

}