function jquery_loading_indicator() {
   loading_indicator('hide');

   jQuery("#loading_indicator").ajaxStart(function(){
           loading_indicator('show');
   });

   jQuery("#loading_indicator").ajaxStop(function(){
           loading_indicator('hide');
   });
}

function loading_indicator(state) {
	if (jQuery("#loading_indicator").length == 0) {
		jQuery("body").append('<div id="loading_indicator"></div>');
	}
	if (state == 'show') {
		posTop = get_top();
		
		jQuery("#loading_indicator").css('marginTop', (get_top() + 'px'));
		jQuery("#loading_indicator").html('<div style="background-color:#FFFFFF; padding:20px; width:200px;margin-left:20px; height:18px; border: 1px dotted #ccc;"><img src="/img/loadingIndicator.gif" border="0" alt="" /> Even geduld a.u.b. </div>');
		
	} else if (state == 'hide' && jQuery("#loading_indicator").length > 0) {
		jQuery("#loading_indicator").empty();;
	}
}


function get_top() {
	if (window.innerHeight) {
		posTop = window.pageYOffset
	} else if (document.documentElement &&
		document.documentElement.scrollTop) {
		posTop = document.documentElement.scrollTop;
	} else if (document.body) {
		posTop = document.body.scrollTop;
	}
	
	posTop = parseInt(posTop);
	
	return posTop;
}

/*
// wait for the DOM to be loaded 
jQuery(document).ready(function() {

	jquery_loading_indicator();
	
});*/