var chWindow
function opeCHWindow(URL)
{   
    chWindow = window.open(URL,'simon','toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=375px,height=400px,left = 520,top = 250');
    if (chWindow.focus) {chWindow.focus()}
}

function closeCHWindow()
{   
    chWindow.close();
}

function opeMWindow(URL) {
    chWindow = window.open(URL, 'simon', 'toolbar=0,directories=0,status=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=485px,height=330px,left = 520,top = 250');
    if (chWindow.focus) { chWindow.focus() }
}