var winHelpWindow;

function showHelpWindow( url )
{

	if ( !winHelpWindow || winHelpWindow.closed )
	{
		winHelpWindow = window.open( url, 'IGHelpWin', 'height=600,width=900,left=25,top=25,titlebar=No,status=No,toolbar=No,scrollbars=yes,resizable=yes');
	}
	else
	{
		//window is already open, so bring it to the front
		winHelpWindow.focus();
	}
	
}