// JavaScript Document
// toggle visibility 

function toggle( targetId ){
  if (document.getElementById){
  		target = document.getElementById( targetId );
  			if (target.style.display == "none"){
  				target.style.display = "";
  			} else {
  				target.style.display = "none";
  			}
  	}
}

// Random Content Order

// function randomizeContent(classname){
// var contents=randomizeContent.collectElementbyClass(classname)
// contents.text.sort(function() {return 0.5 - Math.random();})
// for (var i=0; i<contents.ref.length; i++){
// contents.ref[i].innerHTML=contents.text[i]
// contents.ref[i].style.visibility="visible"
// }
// }

// randomizeContent.collectElementbyClass=function(classname){ //return two arrays containing elements with specified classname, plus their innerHTML content
// var classnameRE=new RegExp("(^|\\s+)"+classname+"($|\\s+)", "i") //regular expression to screen for classname within element
// var contentobj=new Object()
// contentobj.ref=new Array() //array containing references to the participating contents
// contentobj.text=new Array() //array containing participating contents' contents (innerHTML property)
// var alltags=document.all? document.all : document.getElementsByTagName("*")
// for (var i=0; i<alltags.length; i++){
// if (typeof alltags[i].className=="string" && alltags[i].className.search(classnameRE)!=-1){
// contentobj.ref[contentobj.ref.length]=alltags[i]
// contentobj.text[contentobj.text.length]=alltags[i].innerHTML
// }
// }
// return contentobj
// }