function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function insertAfter(newElement,targetElement) {
  var parent = targetElement.parentNode;
  if (parent.lastChild == targetElement) {
    parent.appendChild(newElement);
  } else {
    parent.insertBefore(newElement,targetElement.nextSibling);
  }
}

function addClass(element,value) {
  if (!element.className) {
    element.className = value;
  } else {
    newClassName = element.className;
    newClassName+= " ";
    newClassName+= value;
    element.className = newClassName;
  }
}

function highlightPage() {
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("navigation")) return false;
  var nav = document.getElementById("navigation");
  var links = nav.getElementsByTagName("a");
  for (var i=0; i<links.length; i++) {
    var linkurl = links[i].getAttribute("href");
    var currenturl = window.location.href;
    if (currenturl.indexOf(linkurl) != -1) {
      links[i].className = "here";
      var linktext = links[i].lastChild.nodeValue.toLowerCase();
      document.body.setAttribute("id",linktext);
    }
  }
}

function pageload()
{
	displaymessage();
}
function displaymessage()
{
	if (document.Form1.DisplayMessage.value.length>2){
		alert(document.Form1.DisplayMessage.value);
	}
}

function alarmFunc() 
{
	setTimeout('endSession()', 5 * 60000);
	var msg = "If there is no activity in 5 minutes your session will end. \n";
	var msg = msg + "If your session ends you will loose any unsaved information. If you are currently logged in you will need log in again.";
	alert(msg);
}

function endSession()
{
	alert('Your session has ended. If your were logged in please log-in again.');
	location.href='http://defrarisk.cadmusweb.com/';
 }
 
 function setPageTimer()
 {
	var minutes = 120 - 5;
	setTimeout('alarmFunc()', minutes*60000);
}
	
function getSourceObjectFromEvent(evt)
{
	var elem = null;
	evt = (evt)? evt:((event)? event : null);
	if(evt)
	{
		elem = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
		if(elem)
		{
			elem = (elem.nodeType == 1 || elem.nodeType == 9) ? elem : elem.parentNode;
		}	
	}
	return elem;
}

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 openWin(URL,winName,features) 
{
	window.open(URL,winName,features);
}

addLoadEvent(pageload);
addLoadEvent(setPageTimer);