function openClose(id,underid,underid1,underid2,underid3)
{
   if(document.getElementById) {
      element = document.getElementById(id);
   } else if(document.all) {
      element = document.all[id];
   } else return;

    if(document.getElementById) {
      underelement = document.getElementById(underid);
   } else if(document.all) {
      underelement = document.all[underid];
   } else return;    
   
   if(document.getElementById) {
      underelement1 = document.getElementById(underid1);
   } else if(document.all) {
      underelement1 = document.all[underid1];
   } else return;    
   
   if(document.getElementById) {
      underelement2 = document.getElementById(underid2);
   } else if(document.all) {
      underelement2 = document.all[underid2];
   } else return;    
   
   if(document.getElementById) {
      underelement3 = document.getElementById(underid3);
   } else if(document.all) {
      underelement3 = document.all[underid3];
   } else return;
   
   if(element.style) {
      if(element.style.display == 'block' ){
         element.style.display = 'block';
         underelement.style.display = 'none';
         underelement1.style.display = 'none';
         underelement2.style.display = 'none';
         underelement3.style.display = 'none';
      } else {
         element.style.display = 'block';
         underelement.style.display = 'none';
         underelement1.style.display = 'none';
         underelement2.style.display = 'none';
         underelement3.style.display = 'none';
         
      }
   }
}