/* standard browser checks */
var isIE=(document.all && navigator.userAgent.toLowerCase().indexOf('msie')!=-1? true : false);
var isOpera=(navigator.userAgent.toLowerCase().indexOf('opera')!=-1? true : false);
var isSafari=(document.getElementById && !isIE && !isOpera && navigator.userAgent.toLowerCase().indexOf('safari')!=-1? true :false)
var isFF=(document.getElementById && !isIE && !isOpera && !isSafari && navigator.userAgent.toLowerCase().indexOf('firefox')!=-1? true :false)
var isNS=isFF;
function vIE(){return (navigator.appName=='Microsoft Internet Explorer')? parseFloat((new RegExp("MSIE ([0-9]{1,}[.0-9]{0,})")).exec(navigator.userAgent)[1]):-1;}
function vOpera(){return (isOpera)? parseFloat((new RegExp("Opera\/([0-9]{1,}[.0-9]{0,})")).exec(navigator.userAgent)[1]):-1;}
function vSafari(){return (isSafari)? parseFloat((new RegExp("Version\/([0-9]{1,}[.0-9]{0,})")).exec(navigator.userAgent)[1]):-1;}
function vFF(){return (isFF)? parseFloat((new RegExp("Firefox\/([0-9]{1,}[.0-9]{0,}[.0-9]{0,})")).exec(navigator.userAgent)[1]):-1;}
var isIE6 = (isIE && vIE()==6? true : false)
var isIE7 = (isIE && vIE()==7? true : false)
var isIE8 = (isIE && vIE()==8? true : false)

/* platform/OS check */
var isWin=(navigator.platform.toLowerCase().indexOf('win')!=-1? true: false);
var isMac=(navigator.platform.toLowerCase().indexOf('mac')!=-1? true: false);
var sTemp="";


// used to add functions/actions to the onload event for a document
function addOnLoadAct(fNewOnLoad){
	// save the existing onload event(s)
	var fCurrentOnLoad = window.onload;
	// if the existing onload does not have a function ...
	if (typeof window.onload != 'function'){
		// give it this function
		window.onload = fNewOnLoad;
	}else{
		// else add the new function to the existing function
		window.onload = function(){
			fCurrentOnLoad();
			fNewOnLoad();
		}
	}
}


// required to simulate pseudo class hover in IE6
sfHover = function() {
	if (document.getElementById("divPNav")){
	var sfEls = document.getElementById("divPNav").getElementsByTagName("LI");
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+=" sfhover";
			}
			sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	}
}



function MM_swapImgRestore() { //v2.0
  if (document.MM_swapImgData != null)
    for (var i=0; i<(document.MM_swapImgData.length-1); i+=2)
      document.MM_swapImgData[i].src = document.MM_swapImgData[i+1];
}

function MM_preloadImages() { //v2.0
  if (document.images) {
    var imgFiles = MM_preloadImages.arguments;
    if (document.preloadArray==null) document.preloadArray = new Array();
    var i = document.preloadArray.length;
    with (document) for (var j=0; j<imgFiles.length; j++) if (imgFiles[j].charAt(0)!="#"){
      preloadArray[i] = new Image;
      preloadArray[i++].src = imgFiles[j];
  } }
}

function MM_swapImage() { //v2.0
  var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.MM_swapImgData;
  for (i=0; i < (MM_swapImage.arguments.length-2); i+=3) {
    objStr = MM_swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
    if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
        (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
      objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
    obj = eval(objStr);
    if (obj != null) {
      swapArray[j++] = obj;
      swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
      obj.src = MM_swapImage.arguments[i+2];
  } }
  document.MM_swapImgData = swapArray; //used for restore
}

function openArticle(fileName) {
	this.name = "main";
	articleWindow = window.open('articlesDetails.cfm?fileName='+fileName,'articleWin','status=no,width=480,height=400,scrollbars=yes,toolbar=no,resizable=yes');
	articleWindow.focus();
}

function openNewsletter(fileName) {
	this.name = "main";
	newsletterWindow = window.open('newslettersDetails.cfm?fileName='+fileName,'newsletterWin','status=no,width=480,height=400,scrollbars=yes,toolbar=no,resizable=yes');
	newsletterWindow.focus();
}

function openWindow(fileName) {
	this.name = "main";
	extWindow = window.open('http://'+fileName,'extWin','status=no,width=480,height=400,scrollbars=yes,toolbar=yes,resizable=yes');
	extWindow.focus();
}

function openPDF(fileName) {
	this.name = "main";
	extWindow = window.open(fileName,'extWin','status=no,width=480,height=400,scrollbars=yes,toolbar=no,resizable=yes');
	extWindow.focus();
}