//Javascript
                function makeit(data,maximize,minimize)
                {
                    $(data).dialog();
                    $(maximize).hide();
                    $(minimize).show();
                }

                function remakeit(data,maximize,minimize,originalDIV)
                {
                    $(data).dialog("destroy");
                    $(maximize).show();
                    $(minimize).hide();
                    $(minimize).appendTo(originalDIV);
                    $(data).show();
                }

<!--HTML-->
 <div id="bloc_dreapta">
            <div class="teorie" title="Teorie Laborator">
            <p align="center">Teorie laborator !</p><button id="teorie_finaliz">Continua</button><button onClick="makeit('.teorie','#maximize_teorie','#minimize_teorie')" id="maximize_teorie">Maximizeaza</button><button onClick="remakeit('.teorie','#maximize_teorie','#minimize_teorie','#bloc_dreapta')" id="minimize_teorie" style="display:none">Minimizeaza</button>
            </div><!--teorie-->
   </div> <!--bloc_dreapta-->