■スクリプト
<HTML> <HEAD> <TITLE>Sample</TITLE> <SCRIPT Language="JavaScript"> <!-- function Check(){ alert(document.myFORM.hideObj.value); } // --> </SCRIPT> </HEAD> <BODY bgColor="white"> <CENTER> <H1>hiddenオブジェクト</H1> </CENTER> <P> <FORM NAME="myFORM"> <INPUT TYPE="hidden" VALUE="OpenSpace" NAME="hideObj"> <INPUT TYPE="text"> <INPUT TYPE="button" VALUE="Check !!!" onClick="Check()"> </FORM> <HR> </BODY></HTML>