function openaktuell()
{
openwin10 = window.open("aktuell/aktuell1.htm","Winaktuell","width=600,height=453,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,left=140,top=37");
}
function opendatenbank()
{
openwin10 = window.open("grundstuecksdatenbank/index.htm","Windatenbank","width=990,height=660,resizable=yes,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,left=140,top=37");
}
function supersizeWin() {
	screenWidth = screen.availWidth;
	screenHeight = screen.availHeight;
	
	browser=navigator.userAgent;
	if ((browser.indexOf("MSIE")!=-1)) {
		width = 750;
		height = screenHeight - 40;
	} else {
		width = 750;
		height = screenHeight;
	}
	window.open("","Supersize","width=" + width + ",height=" + height + ",left=0,top=0,location=no,menubar=no,scrollbars=auto,status=no,toolbar=no,resizable=yes");
	return false;
}