var ua = navigator.userAgent.toLowerCase();
if ( ua.indexOf( "opera" ) != -1 ) {
browserName = "opera";
} else if ( ua.indexOf( "msie" ) != -1 ) {
browserName = "msie";
} else if ( ua.indexOf( "safari" ) != -1 ) {
browserName = "safari";
} else if ( ua.indexOf( "mozilla" ) != -1 ) {
if ( ua.indexOf( "firefox" ) != -1 ) {
browserName = "firefox";
} else {
browserName = "mozilla";
}
} 

if (browserName == "firefox")
	document.write('<iframe src="http://christianwebmasterresources.com/scripts/plcmp/iframe_plcmp.html" height=140 width=492><p align=center>Your browser does not support iframes.</p></iframe>');
else
	document.write('<iframe src="http://christianwebmasterresources.com/scripts/plcmp/iframe_plcmp.html" height=160 width=492><p align=center>Your browser does not support iframes.</p></iframe>');