function popup(loc, width, height, scrollbars) {
	var _params = "width="+width+",height="+height+",toolbar=no,location=no,status=no,menubar=no,scrollbars="+scrollbars+",resizable=yes,top=" + (screen.height-height)/2 + ",left=" + (screen.width-width)/2;

	var newWin = window.open(loc, 'window', _params);
	newWin.focus();
}

/*function thumbH(id, state)
{
alert (document.getElementById(id));
	if (document.getElementById) document.getElementById(id).style.visibility = 'hidden';

	if (document.getElementById) {
//		document.getElementById(id).style.color = (state == 1 ? '#ffa3d1' : '#fff');
		//document.getElementById(id).style.border = (state == 1 ? '1px solid #ffa3d1' : '1px solid transparent');
  }
}

function showObj(id) {
	if (document.getElementById) document.getElementById(id).style.visibility = 'visible';
}
function hideObj(id) {
	if (document.getElementById) document.getElementById(id).style.visibility = 'hidden';
}
*/