Javascript to open popup window

< script type=" text/javascript " >

var w = screen.availWidth; //For Screen Width
var h = screen.availHeight; //For Screen Height
var Width = (w-100); //
var Height = (h-100);
var left = (w-Width)/2;
var top = (h-Height)/2;

window.open(Path, 'NameOfWindow', 'width='+ Width +', height='+ Height +',top='+ top +',left='+ left +', menubar=no, resizable=no,scrollbars=yes')


< / script >