function bColor(object, color){
  object.bgColor = color;
}

function show(object){
  object.style.display='block';
}

function hide(object){
  object.style.display='none';
}

function toggle(element){
  if(document.getElementById(element).style.display == 'none') 
    document.getElementById(element).style.display = 'block';
  else document.getElementById(element).style.display = 'none';
}

function toggle_link(id){
  if(document.getElementById('div' + id).style.display == 'none'){ 
    document.getElementById('div' + id).style.display = 'block';
  }
  else {
    document.getElementById('div' + id).style.display = 'none';
  }
}

function resize(){

    var t1 = document.getElementById('t1');
    var t2 = document.getElementById('t2');
    var t3 = document.getElementById('t3');
    
    var dif = 42 + 25 + 9 + 2;
    
    h1 = t1.offsetHeight; 
    h2 = t2.offsetHeight;
    h3 = t3.offsetHeight;
    
    if(h1 < h2 + h3 + dif){        
        t1.style.height = h2+h3+dif+'px';
        t2.style.height = h2+'px';
        t3.style.height = h3+'px';
    }else{
          //t1.style.height = h1 + 'px';
          var ht2 = parseInt((h1 - dif) / 2);
          var ht3 = h1 - dif - ht2;
          if(h2 <= ht2 && h3 <= ht3){
              t2.style.height = ht2+'px';
              t3.style.height = ht3+'px';
          }else
          if(h2 > ht2){
              t2.style.height = h2 + 'px';
              t3.style.height = h1 - dif - h2 + 'px'; 
          }else{
              t3.style.height = h3 + 'px';
              t2.style.height = h1 - dif - h3 + 'px';
          }
    }   
    
    var t4 = document.getElementById('t4');
    var t5 = document.getElementById('t5');
    
    h4 = t4.offsetHeight; 
    h5 = t5.offsetHeight;
    
    if(h4 < h5) t4.style.height = h5 + 'px'; else
    if(h4 > h5) t5.style.height = h4 + 'px';
    
    var t6 = document.getElementById('t6');
    var t7 = document.getElementById('t7');
    
    h6 = t6.offsetHeight; 
    h7 = t7.offsetHeight;
    
    if(h6 < h7) t6.style.height = h7 + 'px'; else
    if(h6 > h7) t7.style.height = h6 + 'px';
}