function swapImage(imageID, imagePath) {
	var imgID;
	imgID = document.getElementById(imageID);
	imgID.src = imagePath;
}

var one;
var two;
var three;
var four;

function divs() {
	one = document.getElementById("majors");
	two = document.getElementById("minors");
	three = document.getElementById("concentrations");
	four = document.getElementById("about");
}

function reveal1() {
  if( !one.style.display || one.style.display == "none" ) 
	{
		one.style.display = "block";
		two.style.display = "none";
		three.style.display = "none";
		four.style.display = "none";
    } 
}

function reveal2() {
  if( !two.style.display || two.style.display == "none" ) 
	{
		one.style.display = "none";
		two.style.display = "block";
		three.style.display = "none";
		four.style.display = "none";
    } 
}

function reveal3() {
  if( !three.style.display || three.style.display == "none" ) 
	{
		one.style.display = "none";
		two.style.display = "none";
		three.style.display = "block";
		four.style.display = "none";
    } 
}

function reveal4() {
  if( !four.style.display || four.style.display == "none" ) 
	{
		one.style.display = "none";
		two.style.display = "none";
		three.style.display = "none";
		four.style.display = "block";
    } 
}

function closeAll() {
	one.style.display = "none";
	two.style.display = "none";
	three.style.display = "none";
	four.style.display = "none";
}

// Character Countdown

function textCounter(field, countdown, maxlimit) {
	var fieldID;
	var countdownID;
	fieldID = document.getElementById(field);
	countdownID = document.getElementById(countdown);
	if (fieldID.value.length > maxlimit)
		fieldID.value = fieldID.value.substring(0, maxlimit);
	else
		countdownID.value = maxlimit - fieldID.value.length;
}


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_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_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];}
		}