function openwin(mypage,w,h){
myname="";
LeftPosition = parseInt((screen.width) ? (screen.width-w)/2  : 0);
TopPosition = parseInt((screen.height) ? (screen.height-h)/2  : 0);
settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no';
var wina = window.open(mypage,myname,settings);
}
function openwinscroll(mypage,w,h){
myname="";
LeftPosition = parseInt((screen.width) ? (screen.width-w)/2  : 0);
TopPosition = parseInt((screen.height) ? (screen.height-h)/2  : 0);
settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=yes';
var wina = window.open(mypage,myname,settings);
}