dynamic select paragraph id using javascript
<input type="text" value="1" id="thisIsAnId1" />
<input type="text" value="2" id="thisIsAnId2" />
<input type="text" value="3" id="thisIsAnId3" />
<Script>
$("[id*=thisIsAnId]").each(function() {
this.style.color = "blue";
});
</Script>