function hideall()
{
document.getElementById('box1').className='infobox-off';
document.getElementById('box2').className='infobox-off';
document.getElementById('box3').className='infobox-off';
document.getElementById('box4').className='infobox-off';

document.getElementById('tab1').className='infotab-off';
document.getElementById('tab2').className='infotab-off';
document.getElementById('tab3').className='infotab-off';
document.getElementById('tab4').className='infotab-off';

document.getElementById('tabspan1').className='infotab-text-off';
document.getElementById('tabspan2').className='infotab-text-off';
document.getElementById('tabspan3').className='infotab-text-off';
document.getElementById('tabspan4').className='infotab-text-off';
}

function show(elementid)
{
document.getElementById(elementid).className='infobox-on';
}

function tabon(elementid)
{
document.getElementById(elementid).className='infotab-on';
}

function tabtexton(elementid)
{
document.getElementById(elementid).className='infotab-text-on';
}

function RefreshImage(valImageId) {
	var objImage = document.images[valImageId];
	if (objImage == undefined) {
		return;
	}
	var now = new Date();
	objImage.src = objImage.src.split('?')[0] + '?x=' + now.toUTCString();
}