function openWin(strURL,intWidth,intHeight,intOffsetX,intOffsetY) {
 intLeft = ((screen.width-intWidth)/2)+intOffsetX; 
 intTop = ((screen.height-(intHeight+110))/2)+intOffsetY; 
 newwindow=window.open(strURL,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, copyhistory=yes, width="+intWidth+", height="+intHeight+", left="+intLeft+", top="+intTop+"");
 if (window.focus) {newwindow.focus()}
 return false
}

function checkTerms() {
	if (!document.checkout.terms.checked) {
		alert('Please confirm that you have read the terms and conditions');
		return false;
	}	
}