var url = "http://www.insulean-duisburg.de/";
var currentUrl = document.URL;
currentUrl = currentUrl.replace(url, "");

function onEmptyContent() {
	n = 0;
	anzahl = document.images.length;
	for(i=0; i < anzahl; i++){ if(document.images[i].complete == true) n++; }

	if(n < anzahl){
		setTimeout("onEmptyContent()", 100);
	}
	else{
		if($('#contents div').height() < 400) {
			$('#contents div').css('height', '400px');
		}
	}
}


$(document).ready(function(){
	$('.main_navigation_a').each(function () {
		if ($(this).attr('href') == currentUrl){
			$(this).next('ul').removeClass('invisible');
			$(this).next('ul').addClass('sub_navigation');
			$(this).attr('class', 'main_navigation_active');
		}
	});

	$('.invisible li a').each(function () {
		if ($(this).attr('href') == currentUrl){
			$(this).attr('id','sub_navigation_active');
			$(this).parents('.invisible').prev().attr('class','main_navigation_active');
			$(this).parents('.invisible').attr('class','sub_navigation');
		}
	});

	onEmptyContent();
});