//open new windows

	var popup = null;

	function open_x(url) {
	  popup = window.open(url,'x','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,top=40,left=40,width=430,height=500');
	}
	function blowOut() {
	  if (popup != null && popup.open) popup.close();
	}
	
	var popup = null;

	function open_y(url) {
	  popup = window.open(url,'y','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,top=200,left=200,width=800,height=120');
	}
	function blowOut() {
	  if (popup != null && popup.open) popup.close();
	}
		
	
	var popup = null;

	function open_z(url) {
	  popup = window.open(url,'y','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,top=200,left=200,width=680,height=480');
	}
	function blowOut() {
	  if (popup != null && popup.open) popup.close();
	}
		
	
	window.onfocus=blowOut;