HTML save problem

Hi,

I've got the problem when I put the code on the editor with my cms php website it saved incorrectly. As the code below ....

<iframe height="600" width="600" border="0" style="" src="http://www.google.com/calendar/htmlembed? showTitle=0&showNav=0&height=400&wkst=1&bgcolor=% 23FFFFFF&src=usp5buidotpv002ibbqp4btiek% 40group.calendar.google.com&color=%23A32929&ctz=Australia% 2FSydney" scrolling="no"> </iframe>