// usage: pnc_openWin('popup.html','name',780,450,'no',0,0);	pos: links/oben 
// usage: pnc_openWin('popup.html','name',780,450,'no','no',0);	pos: mittig/oben
// usage: pnc_openWin('popup.html','name',780,450,'no');	pos: zentriert

WinAppearance="toolbar=no,location=no,directories=no,status=no,resizable=no,copyhistory=no";
function pnc_openWin(url,name,popWidth,popHeight,scroll,popLeft,popTop)
{ 
	leftPos=!isNaN(popLeft) ? popLeft : screen.width ? (screen.width-popWidth)/2 : 20;
	topPos=!isNaN(popTop) ? popTop : screen.height ? (screen.height-popHeight)/2 : 20;
    
    eval("pnc_"+name+"=window.open('"+url+"','"+name+"','"+WinAppearance+",scrollbars="+scroll+",width="+popWidth+",height="+popHeight+",left="+leftPos+",top="+topPos+"');");

    // window open?
    if( eval("pnc_"+name ) != null )
    {
        eval( "pnc_"+name+".focus()" );
    }

}