// Playball functions //

function changeSrc(el, newSrc) {
	el.src = newSrc;
	}
function left(str, n){
	if (n <= 0)
	    return "";
	else if (n > String(str).length)
	    return str;
	else
	    return String(str).substring(0,n);
}
function right(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length)
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}
//End playball functions //

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  sample=window.open(theURL,winName,features); sample.window.focus();
}



function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function construction () {
     alert("This feature is currently under construction.");
}

function actionNotice() {
     alert("Click the SUBMIT button to see your feedback.");
}


function windowSize () {

var targetheight=460;
var targetwidth=775;

function winWid(){ return (ns4||ns6) ? window.innerWidth : document.body.clientWidth; }
function winHei(){ return (ns4||ns6) ? window.innerHeight : document.body.clientHeight; }
function centerX(){ return (ns4||ns6) ? parseInt((screen.width/2)-(width/2)) : parseInt((screen.availWidth/2)-(width/2)); }
function centerY(){ return (ns4||ns6) ? parseInt((screen.height/2)-(height/2)) : parseInt((screen.availHeight/2)-(height/2)); }
var ns4 = (document.layers) ? 1 : 0;
var ie4 = (document.all) ? 1 : 0;
var ns6 = (document.getElementById && !document.all) ? 1 : 0;
top.resizeTo(targetwidth,targetheight);
var width=winWid();
var height=winHei();
var difx=targetwidth-winWid();
var dify=targetheight-winHei();
width+=(difx*2);
height+=(dify*2);
top.resizeTo(width,height);
top.moveTo(centerX(),centerY());

}




function glossaryplatformDetect()
{
  if(navigator.appVersion.indexOf("Win") != -1)
  {
    MM_openBrWindow('glossary/index.cfm','whatever1','toolbar=no,location=no,status=no,menubar=no,resizable=no,width=550,height=375');
  }
  else if(navigator.appVersion.indexOf("Mac") != -1)
  {
    MM_openBrWindow('glossary/index.cfm','whatever1','toolbar=no,location=no,status=no,menubar=no,resizable=no,width=535 ,height=375');
  }
  else alert("Other");
}


function libraryplatformDetect()
{
  if(navigator.appVersion.indexOf("Win") != -1)
  {
    MM_openBrWindow('library/index.cfm','whatever1','toolbar=no,location=no,status=no,menubar=no,resizable=no,width=550,height=375');
  }
  else if(navigator.appVersion.indexOf("Mac") != -1)
  {
    MM_openBrWindow('library/index.cfm','whatever1','toolbar=no,location=no,status=no,menubar=no,resizable=no,width=535 ,height=375');
  }
  else alert("Other");
}
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external") {
	   	anchor.target = "_blank";
	} else {
	   	anchor.target = "_self";
	}
 }
}

// Add an eventListener to browsers that can do it somehow.
// Originally by the amazing Scott Andrew.
function addEvent(obj, evType, fn){
  if (obj.addEventListener){
    obj.addEventListener(evType, fn, true);
    return true;
  } else if (obj.attachEvent){
	var r = obj.attachEvent("on"+evType, fn);
    return r;
  } else {
	return false;
  }
}
addEvent(window, "load", externalLinks);



function changeClassOfParent(el, newClass) {
/*
+===========================================-===========================================+
|                                    VERSION HISTORY                                    |
| 1.0.00  2004.08.30  JEM  Initial version.                                             |
|                                        SUMMARY                                        |
| Given an element and the desired class, change the class of the element's parent.     |
|                                       PARAMETERS                                      |
| el - usually a 'this' reference; reference to the element that called this function.  |
| newClass - the desired class to assign to the element's parent.                       |
|                                  DEPENDANT FUNCTIONS                                  |
| changeClassById.                                                                      |
|                                     EXAMPLE USAGE                                     |
| <div id="els1"><a href="#" onclick="changeClassOfParent(this,'off'); return false;">  |
| Linked text or image</a></div>                                                        |
+===========================================-===========================================+
*/
            changeClassById(el.parentNode.id, newClass);
}