function insertAtCursor(myField, myValue) 
{
	//IE support
	if (document.selection) 
	{
		myField.focus();
		sel = document.selection.createRange();
		sel.text = myValue;
	}
	//MOZILLA/NETSCAPE support
	else if (myField.selectionStart || myField.selectionStart == '0') 
	{
		var startPos = myField.selectionStart;
		var endPos = myField.selectionEnd;
		myField.value = myField.value.substring(0, startPos)
		+ myValue 
		+ myField.value.substring(endPos, myField.value.length);
	} 
	else 
	{
		myField.value += myValue;
	}
}

browser = navigator.appName;
if (browser == "Netscape")
{
	function emoticon(text)
	{
		insertAtCursor(document.reactieform.reactie, text) 
	}
}
else 
{
	function getSel()
	{
		if (document.selection) txt = document.selection.createRange().text;
		else return;
		return txt;
	}
	function emoticon(text)
	{
		getSel();
		insertAtCursor(document.reactieform.reactie, text) 
	}
}