function disable(f) {
  var btn = f.elements['submit'];
  btn.valuse = 'Please wait';
  btn.disabled = 'true';
  return true;
}


//  this is onLoad() in the body ///////////////
function loadText() {
		setText(fs.size);
  document.getElementById("content").style.display="block";
}

// Print Print Print Print Print Print Print Print Print Print Print Print Print 
// Print Print Print Print Print Print Print Print Print Print Print Print Print 
// Print Print Print Print Print Print Print Print Print Print Print Print Print 
function printIt() {
		if (window.print) {
 			setTimeout('window.print();',200);
	 }
		else if (agt.indexOf("mac") != -1) {
				alert("Press 'Cmd+p' on your keyboard to print article.");
 	}
		else {
		 	alert("Press 'Ctrl+p' on your keyboard to print article.")
 	}
}

// Text size Text size Text size Text size Text size Text size Text size Text size
// Text size Text size Text size Text size Text size Text size Text size Text size
// Text size Text size Text size Text size Text size Text size Text size Text size
var size;
function fontSize(size) {
  this.size = size;
		this.bigText = function () {
		  size = parseFloat(this.size) + .05;
				this.size = size;
				setText(size);
		}
		this.smallText = function () {
		  size = parseFloat(this.size) - .05;
				this.size = size;
				setText(size);
		}
}
//  this all gets executed before loadText() ///
var cfs = readCookie('unc_ibs');
if (cfs) { 
  fs = new fontSize(cfs); 
}
else { 
  fs = new fontSize(.72); 
}
function bigText() {
  fs.bigText();
}
function smallText() {
  fs.smallText();
}
function setText(fs) {
		document.getElementById("content").style.fontSize=fs+"em";
		createCookie('unc_ibs',fs,7);
}

// cookie functions from quirksmode.org -- thanks!
// cookie functions from quirksmode.org -- thanks!
// cookie functions from quirksmode.org -- thanks!
function createCookie(name,value,days) {
		if (days) {
		  var date = new Date();
				date.setTime(date.getTime()+(days*24*60*60*1000));
				var expires = "; expires="+date.toGMTString();
				}
				else var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
}
function readCookie(name)	{
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
				var c = ca[i];
				while (c.charAt(0)==' ') c = c.substring(1,c.length);
				if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
				}
		return null;
}
function eraseCookie(name) {
		createCookie(name,"",-1);
}


// emailFriend()
// emailFriend()
// emailFriend()
function emailFriend(id) {
  if (id.style.display == "block") {
		  id.style.display = "none";
		}
		else {
		  id.style.display = "block";
		}
}

function toggleDiv(divid){
    if(document.getElementById(divid).style.display == "none"){
      document.getElementById(divid).style.display = "";
    }else{
      document.getElementById(divid).style.display = "none";
    }
  }
  
    function openDiv(divid){
    document.getElementById(divid).style.display = "";
  }
  
    function closeDiv(divid){
    document.getElementById(divid).style.display = "none";
  }
  
  
    function toggleTableDiv(divid){
    if(document.getElementById(divid).style.display == "none"){
      document.getElementById(divid).style.display = "";
    }else{
      document.getElementById(divid).style.display = "none";
    }
  }