function PopUp(theURL,winName,features, myWidth, myHeight, isCenter) { //v3.0
  if(window.screen)if(isCenter)if(isCenter=="true"){
	var myLeft = (screen.width-myWidth)/2;
    var myTop = (screen.height-myHeight)/2;
    features+=(features!='')?',':'';
    features+=',left='+myLeft+',top='+myTop;
  }
  window.open(theURL,winName,features+((features!='')?',':'')+'width='+myWidth+',height='+myHeight+',fullscreen=yes');
}

function popupac(url) 
{
// params  = 'width='+screen.width;
// params += ', height='+screen.height;
 params  = 'width=500';
 params += ', height=800'
 params += ', scrollbars=yes'
 params += ', top=0, left=0'
 params += ', toolbar=no'
 params += ', location=no'
 params += ', status=no'
 params += ', fullscreen=yes';

 newwin=window.open(url,'windowname4', params);
 if (window.focus) {newwin.focus()}
 return false;
}