function popupWin(url)
{
	window.open(url, '', 'resizable=no,width=500,height=300,top=75,left=220,scrollbars=no');
}
function showDialog(url,w,h)
{
	window.open(url, '', 'resizable=yes,width='+ w + ',height=' + h + ',top=75,left=220,scrollbars=yes');
}
function popupMedia(url)
{
	window.open(url, '', 'resizable=yes,width=338,height=110,top=75,left=220,scrollbars=yes');
}
function popupLyric(url)
{
	window.open(url, '', 'resizable=yes,width=300,height=500,top=75,left=250,scrollbars=yes');
}
function popupReport(url)
{
	window.open(url, '', 'resizable=yes,width=800,height=600,top=75,left=220,scrollbars=yes');
}
function back()
{
	window.history.back();
}
function SelectAllCheckboxes(theBox)
{
	xState = theBox.checked;
	elm = theBox.form.elements;

	for (i = 0; i < elm.length; i++)
		if (elm[i].type == "checkbox" && elm[i].id != theBox.id)
			{
			if (elm[i].checked != xState)
					elm[i].click();
			}
}