function NewWindow(file,wid,hei) {
        var iMyWidthx;
        var iMyHeightx;
        iMyWidthx = (window.screen.width/2) - (wid / 2) ; 
        iMyHeightx = (window.screen.height/2) - ((hei /2) + 25) ;
        var newwin = window.open(file,"popup","status=no,resizable=no,toolbar=no,menubar=no,directories=no,location=no,resizable=no,scrollbars=yes,height=" + hei + ",width=" + wid + ",left=" + iMyWidthx + ",top=" + iMyHeightx + ",screenX=" + iMyWidthx + ",screenY=" + iMyHeightx);
		newwin.focus();
}