if (chkdiv('placard')) {document.getElementById('placard').innerHTML='<IMG src="http://www.mypm.net/blog/UploadFiles/2007-1/111118124.gif">Build, learn, and make mistakes as you go you ll know more about what you re doing as you re doing it, instead of before you do it. 一边做，一边建造、学习和犯错误！对你正在做的事情，你只有做了才会懂得更多，而不是事前空想。';}