//protected mail
function encrypt( n, m, d ){
	document.write( "<a href='mailto:"+n+"@"+m+"."+d+"'>"+n+"@"+m+"."+d+"</a>" );
}

//popup
function popup( url, name, w, h ) {
	x = ( screen.availWidth - w ) / 2;
	y = ( screen.availHeight - h ) / 2;
	pop = window.open( url, name, "left="+x+",top="+y+",width="+w+",height="+h+",status=no,directories=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes" );
	if(pop.window.focus){
		pop.window.focus();
		pop.window.moveTo( x, y );
		pop.window.resizeTo( w, h );
	}
}

function square( obj, id ){
	obj.firstChild.src = "img/punkt_blau_" + id + ".gif";
}