private function _getClassSpecificIEStyleTag($_oCaller, $sIDPrefix)
{
static $_iCallCountIE = 1;
$_sStyleIE = $this->addAndApplyFilters($_oCaller, "style_ie_{$this->oProp->sClassName}", $this->oProp->sStyleIE);
$_sStyleIE = trim($_sStyleIE);
if ($_sStyleIE) {
$_iCallCountIE++;
return "<!--[if IE]><style type='text/css' id='" . esc_attr("{$sIDPrefix}-ie-{$this->oProp->sClassName}_{$_iCallCountIE}") . "'>" . $_sStyleIE . "</style><![endif]-->";
}
return '';
}