function click() 
{
	if (event.button==2) 
	{
		alert(' www.isidev.de - www.nontigum.de')
	}
}
document.onmousedown=click

function FensterMitte(url, w, h, l, t, s) 
{
	var CenterX = (screen.width-w-l) / 2;
	var CenterY = (screen.height-h-300) / 2;
	var CenterPos = "left="+CenterX+",top="+CenterY;
	var para = "width=" + w + ",height=" + h + ",left=" + CenterX + ",top=" + CenterY + ",scrollbars=1,resizable=0,menubar=0,toolbar=0,personalbar=0,status=0";
	openwin = window.open(url,'',para);
}