function SizeWindowX(px) {
	intpx=px-0;
	if ( navigator.userAgent.indexOf('MSIE') != -1 ) {
		intpx = intpx + 10;
	}
	if ( navigator.userAgent.indexOf('Firefox') != -1 ) {
		intpx = intpx + 6;
	}
	stringpx = intpx + '';
	return stringpx;
}
function SizeWindowY(py) {
	intpy=py-0;
	if ( navigator.userAgent.indexOf('MSIE') != -1 ) {
		intpy = intpy + 29;
	}
	if ( navigator.userAgent.indexOf('Firefox') != -1 ) {
		intpy = intpy + 48;
	}
	stringpy = intpy + '';
	return stringpy;
}

function OpenPic(url,px,py) {
	px=SizeWindowX(px);
	py=SizeWindowY(py);
	winx = (screen.width-px)/2;
	winy = (screen.height-py)/2;
	bigpic=window.open('zoomit.php?pic='+url,'pic','width='+px+',height='+py+',left='+winx+',top='+winy+', false');
	bigpic.resizeTo(px,py);
	bigpic.focus();
}