// JQUERY FUNCTIONS:
function showhide(layer_ref, animation) {

	if(animation == "true"){
		$('#'+layer_ref).toggle('blind', 'slow');
	}else if(animation == "false"){
		//$('#'+layer_ref).toggle();
		showhide_oldstyle(layer_ref);
		
		
	}else {

		if(checkifantinymceeditorisinthediv(layer_ref)){
			$('#'+layer_ref).toggle();
		}else{
			if($('#'+layer_ref).is(":visible")){
				// ZICHTBAAR: INKLAPPEN
				$ua = navigator.appName;		
				if ($ua=="Microsoft Internet Explorer" && ($('#'+layer_ref).is(":visible"))){
					// VOOR IE: ALTIJD DIRECT VERWIJDEREN!
					showhide_oldstyle(layer_ref);
				}else{
					$('#'+layer_ref).hide('blind', 'slow');
				}
				
			}else{
				// NIET ZICHTBAAR UITKLAPPEN
				$('#'+layer_ref).show('blind', 'slow');
			}
		}
	}
}
function show(layer_ref, animation) {
	if(animation == "true"){
		$('#'+layer_ref).show('blind', 'slow');
	}else if(animation == "false"){
		//$('#'+layer_ref).show();
		show_oldstyle(layer_ref);
		
	}else {
	
		if(! $('#'+layer_ref).is(":visible")){
			// ONLY HIDE WHEN NOT ALREADY SHOWN! prevents flashy-unwanted effects...

			if(checkifantinymceeditorisinthediv(layer_ref)){
				$('#'+layer_ref).show();
			}else{
				$('#'+layer_ref).show('blind', 'slow');
			}
			
		}
	}
}
function hide(layer_ref, animation) {
	if(animation == "true"){
		$('#'+layer_ref).hide('blind', 'slow');
	}else if(animation == "false"){
		//$('#'+layer_ref).hide();
		hide_oldstyle(layer_ref);

	}else {
	
		if($('#'+layer_ref).is(":visible")){
			// ONLY HIDE WHEN NOT ALREADY HIDDEN! prevents flashy-unwanted effects...
			
			if(checkifantinymceeditorisinthediv(layer_ref)){
				hide_oldstyle(layer_ref);
			}else{
				$ua = navigator.appName;		
				if ($ua=="Microsoft Internet Explorer"){
					// VOOR IE: ALTIJD DIRECT VERWIJDEREN!
					hide_oldstyle(layer_ref);
				}else{
					$('#'+layer_ref).hide('blind', 'slow');
				}
			}
		}
	}
}


function checkifantinymceeditorisinthediv(layer_ref) {
	if (!document.getElementById( layer_ref ) || typeof(document.getElementById( layer_ref ).innerHTML) == "undefined") {
		return false;
	}

	var bodyText = document.getElementById( layer_ref ).innerHTML;

	i = bodyText.indexOf('<textarea', 0); // zoeken naar een textarea ivm de TINYMCE EDITOR
	if (i < 0) {
		// niet gevonden
		//alert('geen textarea, wel animatie....');
		return false;
	} else {
		// wel gevonden:
		//alert('TEXTAREA GEVONDEN: GEEN ANIMATIE!');
		return true;
	}
}






var state = 'none';


function showhide_oldstyle(layer_ref) {
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "state = document.all." + layer_ref + ".style.display");
}
if (document.layers) { //IS NETSCAPE 4 or below
state = document.layers[layer_ref].display;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
state = hza.style.display;
}

if (state == 'block') {
state = 'none';
}
else {
state = 'block';
}
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}

}

function show_oldstyle(layer_ref) {
state = 'block';
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}
function hide_oldstyle(layer_ref) {
state = 'none';
if (document.all) { //IS IE 4 or 5 (or 6 beta)
eval( "document.all." + layer_ref + ".style.display = state");
}
if (document.layers) { //IS NETSCAPE 4 or below
document.layers[layer_ref].display = state;
}
if (document.getElementById &&!document.all) {
hza = document.getElementById(layer_ref);
hza.style.display = state;
}
}