Need help on a script "if you know" !

[MrNick]

it's a jup menu, I need it to open the link in a new page,
It juste whont work

can somone help me?

<form name="form1">
<select name="menu1" onChange="MM_jumpMenu('form1.menu1.value,'_blank')">
<option>bla bla your bla bla</option>
<option value="videos.html">bla bla #1</option>
<option value="videos2.html">bla bla #2</option>
<option value="videos3.html">bla bla #3</option>
</select>
<input type="button" name="Button1" value="Go" onClick="MM_jumpMenuGo('menu1','parent',1)">
</form>

thanks