function fadeIn(id) {
	if ( document.getElementById(id) ) {
		dhLib_fadeIN(id,0,10,25);
	} // end.element found
} // end.fadeIn

function fadeOut(id) {
	if ( document.getElementById(id) ) {
		dhLib_fadeOUT(id,100,50,10);
	} // end.element found
} // end.fadeIn

var impHeight = 0;
var accelerate = 50;
function showImpressum() { 
	document.getElementById("impressumContainer").style.visibility="visible"; 
	impHeight = impHeight + 50;
	accelerate = accelerate - 5;
	o = document.getElementById("impressumContainer");
	if ( impHeight > 400 ) {
		o.style.height = "";
		return(0);
	}
	o.style.height = impHeight + "px";
	setTimeout("showImpressum()",accelerate);
}

function hideImpressum() { document.getElementById("impressumContainer").style.visibility="hidden"; }