Your problem is that you need to pass some kind of parameter to the ChooseDownload function, based on that you can make decisions.
try this:
function ChooseDownload(selected)
{
switch(selected.value){
case "Shell":
//some action
break;
case "Bot":
//some action
break;
case "Skype":
//some action
break;
case "Xchat":
//some action
break;
case "Cod5":
//some action
break;
default:
//unknown option
break;
}
}
and your HTML to this:
<select id="item" onchange="ChooseDownload(this)">
<option value="Blank">Select Download</option>
<option value="Shell">My PHP Shells</option>
<option value="Bot">Botnet Sources</option>
<option value="Skype">Skype 6.9 Win</option>
<option value="Xchat">Xchat Free</option>
<option value="Cod5">Custom Maps</option>
</select>