var FF15 = (-1 != navigator.userAgent.indexOf('Firefox/1.5'));
var ie = /*@cc_on!@*/false; //(-1 != navigator.appName.indexOf('Microsoft'));
var firefox = (ie ? false : (/(Firefox|Iceweasel)/.test(navigator.userAgent)));
var opera = !ie && !firefox && navigator.userAgent.indexOf('Opera');
var fragment;
var selectedText;
var comparetoText;
function showquotelink(element,id,name) {
	var hashValue = "bottom";

	if (hashValue == window.location.hash)
    {
         window.location.hash = new String((new Date().getMilliseconds()));
    }

	document.write(
		'<a class="cite"' + (
			firefox
		?	' onmouseover="storeSelection('+id+')"'
		:	''
		) + ' onclick="window.location.hash=\'bottom\'; return quoteElement(\'' + element + '\',' + id + (name ? ',\''+name+'\'' : '') + ')">'
	);
}
function storeSelection(id) {
	var selection = window.getSelection();
	if (!selection) {
		return;
	}
	var trySelected = selection.toString();
	if (trySelected != '') {
		selectedText = trySelected;
		// comparetoText contains pure text, no smileys
		comparetoText = selection.getRangeAt(0).cloneContents().textContent;
	}
}
function quoteElement(element,id,name) {
	if (!firefox) {
		if (window.getSelection) {
			selectedText = window.getSelection();
			if (!selectedText) {
				alert('Je moet wel een stuk tekst selecteren om te  citeren! (1)');
				return false;
			}
		} else if (!document.selection) {
			alert('Je browser ondersteunt deze citeerfunctie niet! (1)');
			return false;
		} else if (document.selection.type == 'None') {
			alert('Je moet wel een stuk tekst selecteren om te  citeren! (2)');
			return false;
		} else if (document.selection.type == 'Text') {
			selectedText = document.selection.createRange().text;
			if (!selectedText) {
				alert('Je moet wel een stuk tekst selecteren om te  citeren! (3)');
				return false;
			}
		}
	} else if (!selectedText) {
		alert('Je moet wel een stuk tekst selecteren om te  citeren! (4)');
		return false;
	}
	// when firefox is used, and only a smiley is selected,
	// selectedText is not empty, but comparetoText is! 
	// just continue, we have already checked whether something was selected
	if (firefox && comparetoText || !firefox && selectedText) {
		var obj = document.getElementById('body_' + id);
		if (!obj) {
			alert('Internal error (body_'+id+' not found)');
			return false;
		}
		var containerText;
		if (obj.innerText) {
			containerText = obj.innerText;
		} else if (obj.textContent) {
			containerText = obj.textContent;
		} else {
			alert('Je browser ondersteunt deze citeerfunctie niet! (2)');
			showProperties(obj);
			return false;
		}
		if (	firefox
		?	-1 == containerText.indexOf(comparetoText)
		:	-1 == containerText.indexOf(selectedText)
		) {
			alert('Je moet "citeer" van het juiste bericht klikken!');
			return false;
		}
	}
	if (fillElement('inputbody',element,id,name)) {

	}
	else {
		alert(	'inputbody niet in document te vinden.\n' + 
		'Neem contact op met Dave en vermeld het exacte adres waar de fout is opgetreden.'
	);
	return false;
	}
}
function fillElement(objname,element,id,name) {
	var obj = document.getElementById(objname);
	if (!obj) {
		return false;
	}
	if (obj.value) {
		obj.value += '\n';
	}
	obj.value += '[quote="' + name + '"]' + selectedText + '[/quote]\n';
	return true;
}