var _centerWnd = null;



function WndCenterOpen(mypage,myname,w,h,scroll,option)
{
    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+option;
    _centerWnd = window.open(mypage,myname,settings)

	return _centerWnd;
}


function WndCenterOpen2(mypage,myname,w,h,scroll,option)
{
    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+option;
    _centerWnd = window.open(mypage,myname,settings)

	return _centerWnd;
}

function WndCenterOpen3(mypage,myname,w,h,scroll,option)
{
    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+option;
    _centerWnd = window.open(mypage,myname,settings)

	return _centerWnd;
}