var win = null;
function NewWindow(mypage,myname,w,h,scroll){
var LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
var TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
var settings ='';
settings+='height='+h;
settings+=',width='+w;
settings+=',top='+TopPosition;
settings+=',left='+LeftPosition;
settings+=',scrollbars='+scroll;
settings+=',resizable';
win = window.open(mypage,null,settings);
}