var windowHandle = '';
var windowHandle2 = '';
var windowHandle3 = '';
var windowHandle4 = '';

function NewWin(url,name) {
windowHandle = window.open(url,name,'toolbar=no,resizable=no,scrollbars=yes,width=480,height=360');
}

function LgWin(url,name) {
windowHandle2 = window.open(url,name,'toolbar=no,resizable=no,scrollbars=no,width=851,height=616');
}

function MdWin(url,name) {
windowHandle3 = window.open(url,name,'toolbar=no,resizable=no,scrollbars=no,width=567,height=465');
}

function SmWin(url,name) {
windowHandle4 = window.open(url,name,'toolbar=no,resizable=no,scrollbars=no,width=378,height=315');
}