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