var mapwindow;

function openMapWindow(postcode, title) {

	// replace "&" with "and" in title
	title = title.replace(/&/, "and")

	//var url = "http://www.streetmap.co.uk/streetmap.dll?Postcode2Map?code=" + postcode + "&title=" + title + "&back=Mendip+District+Council&url=http://www.mendip.gov.uk&nolocal=X&bimage=background%3dhttp://www.web-labs.co.uk/graphics/whitebg.gif";
	var url = "http://www.streetmap.co.uk/streetmap.dll?Postcode2Map?code=" + postcode + "&title=" + title + "&back=Mendip+District+Council&url=http://www.mendip.gov.uk&nolocal=X&bimage=background%3dhttp://www.web-labs.co.uk/graphics/whitebg.gif";
	mapwindow = window.open(url, 'mapWin', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,hotkeys=0,dependent=1,alwaysRaised=1,width=650,height=520', true);	
}

function closeWindow() {
  if (mapwindow && !mapwindow.closed) {
    mapwindow.close();
  }
}

window.unload=closeWindow;