// create and position popup
// last change: 08.04.2003
// usage: pnc_openWin('popup.html','name',780,450,'no',0,0);	pos: left/top 
// usage: pnc_openWin('popup.html','name',780,450,'no','no',0);	pos: center/top
// usage: pnc_openWin('popup.html','name',780,450,'no');	pos: center/middle

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+"');");
    eval("pnc_"+name+".focus()");
}