function openWin(theURL, width, height) {
	w = screen.availWidth;
	h = screen.availHeight;

	var popW = width, popH = height;
	var leftPos = (w - popW) / 2, topPos = (h - popH) / 2;
	
	window.open(theURL, 'thePopup', 'width='+width+', height='+height+', toolbar=no, menubar=no, status=no, scrollbars=yes, resize=no, top='+topPos+', left='+leftPos);
}

function openWin2(theURL, width, height) {
	w = screen.availWidth;
	h = screen.availHeight;

	var popW = width, popH = height;
	var leftPos = (w - popW) / 2, topPos = (h - popH) / 2;
	
	window.open(theURL, 'thePopup2', 'width='+width+', height='+height+', toolbar=no, menubar=no, status=no, scrollbars=no, resize=no, top='+topPos+', left='+leftPos);
}

function openWinNew(theURL, width, height) {
	w = screen.availWidth;
	h = screen.availHeight;

	var popW = width, popH = height;
	var leftPos = (w - popW) / 2, topPos = (h - popH) / 2;
	
	window.open(theURL, 'difPopup', 'width='+width+', height='+height+', toolbar=no, menubar=no, status=no, scrollbars=yes, resize=no, top='+topPos+', left='+leftPos);
}