var winDisplay=null;
function windowDisplay(myurl,w,h,scroll) {
	  if(winDisplay){
    winDisplay.close();winDisplay=null;   
  }
LeftPosition=(screen.width)?(screen.width-w)/5*4:100;
TopPosition=((screen.height)?(screen.height)/20:100);
settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
windowParent=window.open(myurl,'window',settings);
}