function tabsClick(obj, evt, type, tab) {

	var lis = document.getElementById('tabs_' + type).getElementsByTagName('li');
  for(i = 0; i < lis.length; i++) {
    lis[i].className = '';
  }	
	obj.parentNode.className = 'selected';

	var tables = document.getElementById(type + 'Tables').getElementsByTagName('table');
  for(i = 0; i < tables.length; i++) {
    //alert(tables[i].id);
    if(tables[i].id == type + '_' + tab) {
      tables[i].style.display='block';
    }
    else {
      tables[i].style.display='none';
    }
  }	
	
}


function toggleImage(obj, evt) {
  if(obj.src.match(/thumbs220/)) {
    obj.src=obj.src.replace('thumbs220', 'thumbs640');
    obj.parentNode.style.width='640px';
    obj.style.width='640px';
  }
  else if(obj.src.match(/thumbs640/)) {
    obj.src=obj.src.replace('thumbs640', 'thumbs220');
    obj.parentNode.style.width='220px';
    obj.style.width='220px';
  }
}