var win=null;
function NewWindow(mypage,myname,w,h,scroll,pos) {
 if (pos=="random") {
  LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
  TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
 }

 if (pos=="center") { 
  LeftPosition=(screen.width)?(screen.width-w)/2:100;
  TopPosition=(screen.height)?(screen.height-h)/2:100;
 }

 if ((pos!="center" && pos!="random") || pos==null) {
  LeftPosition=0;
  TopPosition=20
 }

 settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
 win=window.open(mypage,myname,settings);
}