function popUp(url, popupW, popupH, stat, menu) {
	var xPos = (screen.availWidth /2)-(popupW/2);
	var yPos = (screen.availHeight/2)-(popupH/2);
	popup = window.open(url, 'ScienceTunnelWeb', 'toolbar=no,location=no,directories=no,status=yes,menubar=yes,scrollbars=no,resizable=yes,width='+popupW+',height='+popupH+',left='+xPos+',top='+yPos+''); 
	popup.window.focus(); 	
}
function gopUp(url, popupW, popupH, stat, menu) {
	var xPos = (screen.availWidth /2)-(popupW/2);
	var yPos = (screen.availHeight/2)-(popupH/2);
	popup = window.open(url, 'ScienceTunnelGalLery', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width='+popupW+',height='+popupH+',left='+xPos+',top='+yPos+''); 
	popup.window.focus(); 	
}
function mopUp(url, popupW, popupH, stat, menu) {
	var xPos = (screen.availWidth /2)-(popupW/2);
	var yPos = (screen.availHeight/2)-(popupH/2);
	popup = window.open(url, 'ScienceTunnelMovie', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width='+popupW+',height='+popupH+',left='+xPos+',top='+yPos+''); 
	popup.window.focus(); 	
}