function ajaxOnLoading(div) {
	$(div).adopt(createLoadingScreen(div));
}

function ajaxOnComplete(div) {
	$(div).removeClass('onloading');
}

function createLoadingScreen (div) {
	if ($(div).getStyle('height').toInt() < 16) {
		var loadingpopup = new Element('div', { 'class': 'loading-popup loading-cont' });
	} else {
		var loadingpopup = new Element('div', { 'class': 'loading-popup' });
	}
	
	var loadingbg = new Element('div', { 'class': 'loading-bg'});
	var loadingicon = new Element('div', { 'class': 'loading-icon'});
	
	loadingpopup.adopt (loadingbg);
	loadingpopup.adopt (loadingicon);
	
	return loadingpopup;
}