height=21; 
            login_open=0; 
            moving=0;               
            id="";
            idt="";                    
            
            function click_login(){                          
                if(moving==0){
                    if(login_open==1){                    
                        moving=1;
                        divlogin_param=document.getElementById("loginParam");
                        divlogin_param.style.display="none";  
                        id=setInterval("close()",2);                                                     
                    }
                    else{                    
                        moving=1;
                        id=setInterval("openD()",2);                    
                    }
                }                    
            }        

            function close(){           
                divlogin=document.getElementById("login");                            
                if(height>21){                    
                    height=height-8;
                    divlogin.style.height=height+"px";                        
                }else{                                       
                    clearInterval(id);
                    login_open=0; 
                    moving=0;
                }
            } 

            function openD(){            
                divlogin=document.getElementById("login");                               
                if(height<80){                    
                        height=height+8;
                        divlogin.style.height=height+"px";                        
                }else{                                               
                        clearInterval(id);
                        login_open=1; 
                        moving=0;
                        divlogin_param=document.getElementById("loginParam");
                        divlogin_param.style.display="block";                
                }            
            } 
                        
            
            function entrata(){                
                clearTimeout(idt);               
            }
            
            function uscita(){
                if(login_open==1 && moving ==0)
                    idt=setTimeout("uscita_bis()",5000);
            }
            
            function uscita_bis(){
                divlogin_param=document.getElementById("loginParam");
                divlogin_param.style.display="none";
                id=setInterval('close()',2);
            }