function taille(n)
{
	if (!document.styleSheets) return;
	var regles = new Array();
	if (document.styleSheets[0].cssRules) regles = document.styleSheets[0].cssRules;
	else if (document.styleSheets[0].rules) regles = document.styleSheets[0].rules;
	else return;
	var a = document.body.offsetHeight == 0 ? window.innerHeight: document.body.offsetHeight;
	regles[1].style.height = (n>a) ? n: '100%';
}
function impressum()
{
	var winWidth = 510;
	var winHeight = 500;
	var winSize = 'width=' + winWidth + ',height=' + winHeight + ',scrollbars=1';
	var thewindow = window.open('impressum.html', 'Impressum', winSize);
	thewindow.focus();
	//thewindow.moveTo(0,0);
}
function gotop()
{
	scroll(0,0);
}