function openwin_default(url, id, wid, hig)
{
	var x = (window.screen.width - wid) / 2;
	var y = (window.screen.height - hig) / 2 - 30;

	window.focus();

	var win = window.open(url, id, 'left='+x+',top='+y+',width='+wid+',height='+hig+',toolbar=no,menubar=no,status=no,scrollbars=no,resizable=no');

	win.focus();
}

function openwin_resize(url, id, wid, hig)
{
	var x = (window.screen.width - wid) / 2;
	var y = (window.screen.height - hig) / 2 - 30;

	window.focus();

	var win = window.open(url, id, 'left='+x+',top='+y+',width='+wid+',height='+hig+',toolbar=no,menubar=no,status=no,scrollbars=yes,resizable=yes');

	win.focus();
}

function openwin_scroll(url, id, wid, hig)
{
	var x = (window.screen.width - wid) / 2;
	var y = (window.screen.height - hig) / 2 - 30;

	window.focus();

	var win = window.open(url, id, 'left='+x+',top='+y+',width='+wid+',height='+hig+',toolbar=no,menubar=no,status=no,scrollbars=yes,resizable=no');

	win.focus();
}