<!--
function show_intro() {
	if (screen.height) {
		
		var xpos = screen.width/2-300;
	
		var hoehe = screen.height;
		if (hoehe > 600) {
			var ypos = hoehe/2-350;
		} else {
			var ypos = hoehe/2-300;
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	} else {
		xpos = 0;
		ypos = 0;
	}
	
	introfenster = window.open("intro.htm","intro","width=600,height=490,top="+ypos+",left="+xpos+",screenX="+xpos+",screenY="+ypos+",resizable=0,status=no,scrollbars=no,toolbar=no,menubar=no,dependent=yes")
	
	if (window.introfenster) {
		introfenster.moveTo(xpos,ypos);
		introfenster.focus();
	}
}

show_intro();
//-->