<SCRIPT language=javascript >
<!--
function rand(){    
form1.rand1.value=parseInt(Math.random()*(parseInt(form1.over.value)-parseInt(form1.start.value)+1)+parseInt(form1.start.value));
}
//-->
</SCRIPT>
<form id=form1>
从<input type=text name=start size=8>到<input type=text name=over size=8><br><br>
数值:<input type=text name=rand1 size=10><input type=button value=随机生成数值 onclick="rand()">
</form>