Ok ecco il codice formattato adeguatamente !

codice:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link href="style2.css" rel="stylesheet" type="text/css" />
<link href="widget.css" rel="stylesheet" type="text/css"> 
<script type="text/javascript" src="js/jquery-1.3.2.min.js"></script> 
<script type="text/javascript" src="js/jquery-ui-1.7.custom.min.js"></script> 
<script type="text/javascript"> 
			$(function(){
	
				// Tabs
				$('#tabs').tabs();
				
				//Stati hover sui widget statici
				$('#dialog_link, ul#icons li').hover(
					function() { $(this).addClass('ui-state-hover'); }, 
					function() { $(this).removeClass('ui-state-hover'); }
				);
				
			});
		</script>
<script type="text/javascript"> 
			$(function(){
	
				// Tabs
				$('#tabs2').tabs();
				
				//Stati hover sui widget statici
				$('#dialog_link, ul#icons li').hover(
					function() { $(this).addClass('ui-state-hover'); }, 
					function() { $(this).removeClass('ui-state-hover'); }
				);
				
			});
		</script>        
<script type="text/javascript" src="js/hovercolonna.js"></script>
<script type="text/javascript" src="js/jquery-ui-1.7.2.custom.min.js" ></script>
<script type="text/javascript" src="js/cufon-yui.js"></script>
<script type="text/javascript" src="js/arial.js"></script>
<script type="text/javascript" src="js/cuf_run.js"></script>
<script src="js/jquery-1.3.2.js"></script>
<script src="js/jquery.ui.core.js"></script>
<script src="js/jquery.ui.draggable.js"></script>
<script src="js/jquery.ui.droppable.js"></script>
<script type="text/javascript">
 
        $(document).ready(function(){
								   
			$(".oggetti").draggable(
		{helper: 'clone'}
		);
				
		    $(".contenitore").droppable({
                accept: ".oggetti",
                hoverClass: 'contenitore_hover',
                tolerance: 'pointer',
                drop: function(event, ui) {
 
               var ImmagineDroppata = ui.draggable.html();
 
               $(this).append(ImmagineDroppata);		
 
        });
</script>
<title>Prepara la scheda</title>
</head>

<body>
<% 
        String ID = (String)session.getAttribute("id");
        String Qualifica = (String)session.getAttribute("qualifica");
		if ((ID!= null)&&(Qualifica.equals("Istruttore"))){
%>		
<%@page import="utilita.cliente"%>
<%@page import="utilita.scheda"%>
<%@page import="utilita.esercizio"%>
<%@page import="java.util.*"%>

<div class="main">
  <div class="header">
    <div class="header_resize">
      <div class="logo">
        <h1 id="special"><span>Energy</span> Club Enjoy your fitness !</h1>
      </div>
      <div class="menu_nav">
        <ul>
          <li class="active">Home[*]Support[*]About Us[*]Blog[*]Contact Us[/list]
      </div>
      <div class="clr"></div>
    </div>
  </div>
  <div class="hbg"></div>
  <div class="content">
    <div class="content_resize">
      <div class="mainbar">
        <div class="show3">
        <div class="clr"></div>
        <jsp:useBean id="db" scope ="session" class="utilita.database"/>
        <div id="tabs" class="widget resize">
      <ul><%  Vector<String> NomeGruppi = db.CaricaNomeGruppi();
	    for (int i=1; i<=NomeGruppi.size(); i++) { %>[*]<a class="tag<%=NomeGruppi.size()%> tab<%=i%>" href="#tabs-<%=i%>"><%out.println(NomeGruppi.elementAt(i-1));%></a>
    <% } %> [/list]
    <div class="widget-content"> 
    <%  for (int i=1; i<=NomeGruppi.size(); i++) { 	      	         
			Vector<esercizio> SetEsercizi = db.CaricaSetEsercizi(NomeGruppi.elementAt(i-1));
		 %>
    <div id="tabs-<%=i%>"> 
        <table class="table4" id="hovercolonna" width="959" height="220" border="2" cellpadding="2">
        <tbody>
        <tr>
         <% for (int NumEsercizi=0; NumEsercizi<SetEsercizi.size(); NumEsercizi++) { %>
    <td><h3><%out.println(SetEsercizi.elementAt(NumEsercizi).getID());%></h3></td>
    <% } %></tr>
  <tr>
        <% for (int NumeroEsercizi=0; NumeroEsercizi<SetEsercizi.size(); NumeroEsercizi++) { %>
        <td class="oggetti"><div class="caption">
        [img]<%out.println(SetEsercizi.elementAt(NumeroEsercizi).getFoto());%>[/img]
        <span>
        <%out.println(SetEsercizi.elementAt(NumeroEsercizi).getNomeEsercizio());%>
        </span>
        </div></td>
         <% } //chiudo il secondo ciclo for %>
  </tr> 
  </tbody>
  </table>
    </div> 
     <% } //chiudo il primo ciclo for %>
    </div> 
    <div class="widget-footer2"></div> 
    </div>
        </div> 
    <div class="show2">    
    <div id="tabs2" class="widget">
      <ul> 
	   <% for (int i=1; i<=Integer.parseInt(request.getParameter("GiorniAll")); i++) { %>[*]<a class="tag<%=Integer.parseInt(request.getParameter("GiorniAll"))%> tab<%=i+NomeGruppi.size()%>" href="#tabs-<%=i+NomeGruppi.size()%>">Giorno <%=i%></a>
    <% } %> [/list]
      <div class="widget-content"> 
    <% for (int i=1; i<=Integer.parseInt(request.getParameter("GiorniAll")); i++) {
		 %>
    <div id="tabs-<%=i+NomeGruppi.size()%>">    
    <table class="table3" id="dataTable" width="939" border="2" cellpadding="2">
  <tr>  
    <td><input type="text" name="ID" size="20" value="ID"  /> </td>
    <td><input type="text" name="ID" size="20" value="ID"  /> </td>
    <td><input type="text" name="ID" size="20" value="ID"  /> </td>
  </tr>
  <tr>
    <td rowspan="2" class="contenitore"></td>
    <td><input type="text" name="ID" size="20" value="ID"  /> </td>
    <td><input type="text" name="ID" size="20" value="ID"  /> </td>
  </tr>
  <tr>
    <td><input type="text" name="ID" size="20" value="ID"  /> </td>
    <td><input type="text" name="ID" size="20" value="ID"  /> </td>
  </tr>
  </table>
    </div> 
     <% } //chiudo il primo ciclo for %>
    </div>
    <div class="widget-footer"></div>  
    </div>
    </div>     
     </div>    	    
      <div class="sidebar" id="box"> etcetera etcetera....