function newWindow(info, w1, h1) {
	var params = 'width='+w1+',height='+h1+',resizable=no,scrollbars=no,left=10,top=5,screenX=10,screenY=10'
	noticeWindow = window.open(info,w1,params)
	noticeWindow.moveTo((screen.availWidth-w1)/2,screen.availHeight-h1-100);
	noticeWindow.focus()
	}

function scrollWindow(info, w1, h1) {
	var params = 'width='+w1+',height='+h1+',resizable=no,scrollbars=yes'
	noticeWindow = window.open(info,w1,params)
	noticeWindow.moveTo((screen.availWidth-w1)/2,screen.availHeight-h1-100);
	noticeWindow.focus()
	}

function feedback () {
	var sHeight=screen.height-250, horiz = (screen.availWidth-600)/2, vert = 100;
	feedbackWindow = window.open("http://www.breacais.demon.co.uk/feedback/railways.htm","fb","scrollbars=yes,width=600,height="+sHeight);
	feedbackWindow.focus()
	}

function dtg() {
	var mydate = new Date(document.lastModified)
	var year=mydate.getYear()    ;	if (year < 1000) year+=1900
	var month=mydate.getMonth()+1;	if (month<10) month="0"+month
	var day=mydate.getDate()     ;	if (day<10) day="0"+day
	document.writeln(year + "/" + month + "/"+day)
	}

function nul() {null}