function MM_openBrWindowWHC(theURL,winName, myWidth, myHeight, isCenter,features) { //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);
  window.focus();
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}