function loadScreen(){
	KS3BoosterWin=window.open('http://www.sirplc.co.uk/KS3Boost/KS3boost1.htm','select_Win','menubar=0,location=0,toolbar=0,personalbar=0,status=0,scrollbars=yes,fullscreen=no,Height=630,Width=649');
}

function loadNCT(){
	NCTWin=window.open('http://www.sirplc.co.uk/nct/home.asp','nct_Win','menubar=0,location=0,toolbar=0,personalbar=0,status=0,scrollbars=yes,fullscreen=no,Height=630,Width=649');
}