// JavaScript Document

<!--
/*
function changeIt() { //custom dave code
var thelink = document.getElementById('headLink');
	var gotit = document.getElementById('mainStage');
	var cia = new Array('frame0','frame1','frame1','frame2','frame3','frame4'),fi,pi;
//	var dia =  new Array('dot1','dot2','dot3','dot4');
//	var bia = new Array('preview_biology.html','teaching_support.html','miller_levine.html','news_events.html?open=2');
//  var dot,udot;
	for (fi=0;fi < cia.length;fi++) {
//		dot = document.getElementById(dia[fi]);
//		dot.src = "images/dot_off.gif";
		if (gotit.className == cia[fi]) { pi = fi; }
	}
	if (pi == cia.length -1) { thelink.href="http://www.pearsonschool.com/index.cfm?locator=PSZgTt";  } else { pi=pi+1; }
//	udot = document.getElementById(dia[pi]);
// udot.src = "images/dot_on.gif";
	gotit.className = cia[pi];
//	butit.href = bia[pi];
t = setTimeout("changeIt();",2000); 	
	
}
*/

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_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 changeImage() {

	var got = document.getElementById('mainStage');
	var thelink = document.getElementById('headLink');
	var c = new Array('frame0','frame1','frame2','frame3','frame4'),f,p;
		for (f=0;f < c.length;f++) {
		
			if (got.className == c[f]) {
				p = f;
			}
		}
				if (got.className == c[4]) { 
					thelink.target = "_blank";
					thelink.href="http://www.pearsonschool.com/index.cfm?locator=PSZgTt";
			 } else { 
	 		got.className = c[(p+1)];
	}
	clearTimeout();
}

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_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

function MM_nbGroup(event, grpName) { //v6.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : ((args[i+1])? args[i+1] : img.MM_up);
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    nbArr = document[grpName];
    if (nbArr)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = (args[i+1])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}

function loadLoaders() {
MM_preloadImages('images/nav_on_02.gif','images/nav_on_03.gif','images/nav_on_04.gif','images/nav_01.gif');

}
//-->