function checkAnswers(formName,ansAPos,ansImg) {	// CHECK ALL FIELDS ANSWERED - ansAPos = image array position - ansImg = path to answers image file
		var ansReady = true;
		var formLength = eval('document.' + formName + '.elements.length');
		for (i=0; i<formLength; i++){
			if (eval('document.' + formName + '.elements[i].value') == ""){
				ansReady = false;
			}
		}	// end for
		if (ansReady == true) {
			swap(ansAPos,ansImg);
		} else {
			alert("Please fill in all fields.");
		}
}
function showSpInfo(spName,IDno) {	// show eg spp popup
	var cn = spName;
	var spPageHref = 'descegspp.dsml?number=' + IDno + '&cn=' + cn;
	newWinOpen(1,spPageHref,'sppInfoWin',400,240,0,0,0,1,0,0);
}