var divsShow=new Array('text_off','text2_off','text3_off','text4_off','text5_off','text6_off','text7_off','text8_off','text9_off','text10_off','text11_off','text12_off','text13_off','text14_off','text15_off','text16_off','text17_off','text18_off','text19_off','text20_off','text21_off','text22_off','text23_off','text24_off','text25_off');

var divsHide=new Array('text','text2','text3','text4','text5','text6','text7','text8','text9','text10','text11','text12','text13','text14','text15','text16','text17','text18','text19','text20','text21','text22','text23','text24','text25');

function findElement(element_id) {
  if (document.getElementById && document.getElementById(element_id)) {
    return document.getElementById(element_id);
  } else {
    return false;
  }
}

function hideElement(element_id) {
  element = findElement(element_id)
  if (element) {
    element.style.display = 'none';
    return element;
  } else {
    return false;
  }
}

function showElement(element_id) {
  element = findElement(element_id)
  if (element) {
    element.style.display = '';
    return element;
  } else {
    return false;
  }
}

function showAll() {
	for (var a=0; a < divsHide.length; a++){
		showElement(divsHide[a]);
		hideElement(divsShow[a]);
	}
}
	  
function hideAll() {
	for (var a=0; a < divsShow.length; a++){
		hideElement(divsHide[a]);
		showElement(divsShow[a]);
	}
}

function jfindElement(element_id) {
  if (document.getElementById && document.getElementById(element_id)) {
    return document.getElementById(element_id);
  } else {
    return false;
  }
}

function jhideElement(element_id) {
  element = jfindElement(element_id)
  if (element) {
   if (element.className == 'shown')
   {
       element.className = 'shown exp_hide';
   }
   if (element.className == 'shown exp_show')
   {
       element.className = 'shown exp_hide';
   }
   if (element.className == 'hidden')
   {
       element.className = 'hidden exp_hide';
   }
   if (element.className == 'hidden exp_show')
   {
       element.className = 'hidden exp_hide';
   }
    return element;
  } else {
    return false;
  }
}
function jshowElement(element_id) {
  element = jfindElement(element_id)
  if (element) {
   if (element.className == 'shown')   {
       element.className = 'shown exp_show';
   }
   if (element.className == 'shown exp_hide')   {
       element.className = 'shown exp_show';
   }
   if (element.className == 'hidden')
   {
       element.className = 'hidden exp_show';
   }
   if (element.className == 'hidden exp_hide')
   {
       element.className = 'hidden exp_show';
   }
    return element;
  } else {
    return false;
  }
}

function jshowAll() {
	for (var a=0; a < divsHide.length; a++){
		jshowElement(divsHide[a]);
		jhideElement(divsShow[a]);
	}
}
	  
function jhideAll() {
	for (var a=0; a < divsShow.length; a++){
		jhideElement(divsHide[a]);
		jshowElement(divsShow[a]);
	}
}