function switch_visible(id) {
	if (document.getElementById(id).style.display=='none') {
		document.getElementById(id).style.display='block';
	} else {
		document.getElementById(id).style.display='none';
	}
	return false;
}

function closeMap() {
	document.getElementById('map').style.display = 'none';
}

function showMap(URL) {
pagesize = tb_getPageSize();

document.getElementById('map').style.left = ((pagesize[0]-800)/2)+'px';			
document.getElementById('map').style.top = ((pagesize[1]-600)/2)+'px';
document.getElementById('map').style.width = '800px';
document.getElementById('map').style.height = '600px';
document.getElementById('map').style.display='block';

document.getElementById('map_iframe').src=URL;
}

function changeStyle() {
    var lnks = document.getElementsByTagName('link');
        for (var i = lnks.length - 1; i >= 0; i--) {
            if (lnks[i].getAttribute('rel').indexOf('style')> -1 && lnks[i].getAttribute('title')) {
                if (lnks[i].disabled == true) lnks[i].disabled = false;
                else if (lnks[i].disabled == false) lnks[i].disabled = true;
            }
        }
}