function getElementsByClass(searchClass,node,tag) {
  var classElements = new Array();
  if ( node == null )
	node = document;
  if ( tag == null )
	tag = '*';
  var els = node.getElementsByTagName(tag);
  var elsLen = els.length;
  var pattern = new RegExp('(^|\\\\s)'+searchClass+'(\\\\s|$)');
  for (i = 0, j = 0; i < elsLen; i++) {
	if ( pattern.test(els[i].className) ) {
		classElements[j] = els[i];
		j++;
	}
  }
  return classElements;
}

function showRow(myClass) {
  var c  = 0;
  var array1 = getElementsByClass(myClass);

  while(c < array1.length){
    showMe = array1[c].style.display;
    
    if (showMe == 'none')
    {
      array1[c].style.display='';
      document.getElementById(myClass).value='Hide '+myClass;
    }
    else
    {
      array1[c].style.display='none';
      document.getElementById(myClass).value='Show '+myClass;
    }
    c++;
  }
}