// JavaScript Document

function ShowDiv(whichLayer)
	{
	if (document.getElementById)
	{
	// this is the way the standards work
	document.getElementById(whichLayer).style.display="";
	}
	else if (document.all)
	{
	// this is the way old msie versions work
	document.all[whichLayer].style.display = "";
	}
	else if (document.layers)
	{
	// this is the way nn4 works
	document.layers[whichLayer].style.display ="";
	}
	}
	
	function HideDiv(whichLayer)
	{
	if (document.getElementById)
	{
	// this is the way the standards work
	document.getElementById(whichLayer).style.display="none";
	}
	else if (document.all)
	{
	// this is the way old msie versions work
	document.all[whichLayer].style.display = "none";
	}
	else if (document.layers)
	{
	// this is the way nn4 works
	document.layers[whichLayer].style.display ="none";
	}
	}
	
	function showNavImage(id){
		document.getElementById('nav'+id).src="images/nav_"+id+"_over.jpg";
		document.getElementById('nav'+id).style.border="none";
	}
	
	function hideNavImage(id){
		document.getElementById('nav'+id).src="images/nav_"+id+".jpg";
		document.getElementById('nav'+id).style.border="none";
	}

	function showReady(id){
		document.getElementById('img_'+id).src="images/about_"+id+"_over.jpg";
		fixDivs(id.toUpperCase());
	}
	
	function hideReady(id){
		document.getElementById('img_'+id).src="images/about_"+id+".jpg";
		fixDivs(id.toUpperCase());
	}
	
	function fixDivs(letter){
			//alert(letter);
		switch(letter){
			case "R":
				HideDiv('readyE');
				document.getElementById('img_e').src="images/about_e.jpg";
				HideDiv('readyA');
				document.getElementById('img_a').src="images/about_a.jpg";
				HideDiv('readyD');
				document.getElementById('img_d').src="images/about_d.jpg";
				HideDiv('readyY');
				document.getElementById('img_y').src="images/about_y.jpg";
				ShowDiv('readyR');
				break;
			case "E":
				HideDiv('readyR');
				document.getElementById('img_r').src="images/about_r.jpg";
				HideDiv('readyA');
				document.getElementById('img_a').src="images/about_a.jpg";
				HideDiv('readyD');
				document.getElementById('img_d').src="images/about_d.jpg";
				HideDiv('readyY');
				document.getElementById('img_y').src="images/about_y.jpg";
				ShowDiv('readyE');
				break;
			case "A":
				HideDiv('readyR');
				document.getElementById('img_r').src="images/about_r.jpg";
				HideDiv('readyE');
				document.getElementById('img_e').src="images/about_e.jpg";
				HideDiv('readyD');
				document.getElementById('img_d').src="images/about_d.jpg";
				HideDiv('readyY');
				document.getElementById('img_y').src="images/about_y.jpg";
				ShowDiv('readyA');
				break;
			case "D":
				HideDiv('readyR');
				document.getElementById('img_r').src="images/about_r.jpg";
				HideDiv('readyE');
				document.getElementById('img_e').src="images/about_e.jpg";
				HideDiv('readyA');
				document.getElementById('img_a').src="images/about_a.jpg";
				HideDiv('readyY');
				document.getElementById('img_y').src="images/about_y.jpg";
				ShowDiv('readyD');
				break;
			case "Y":
				HideDiv('readyR');
				document.getElementById('img_r').src="images/about_r.jpg";
				HideDiv('readyE');
				document.getElementById('img_e').src="images/about_e.jpg";
				HideDiv('readyA');
				document.getElementById('img_a').src="images/about_a.jpg";
				HideDiv('readyD');
				document.getElementById('img_d').src="images/about_d.jpg";
				ShowDiv('readyY');
				break;
			default:
				HideDiv('readyE');
				document.getElementById('img_e').src="images/about_e.jpg";
				HideDiv('readyA');
				document.getElementById('img_a').src="images/about_a.jpg";
				HideDiv('readyD');
				document.getElementById('img_d').src="images/about_d.jpg";
				HideDiv('readyY');
				document.getElementById('img_y').src="images/about_y.jpg";
				ShowDiv('readyR');
				break;			
		}
	}
	
	String.prototype.trim = function () {
    	return this.replace(/^\s*/, "").replace(/\s*$/, "");
	}

	
	function validateForm(){
		var text1 = document.getElementById('txt1').value.trim();
		var text2 = document.getElementById('txt2').value.trim();
		var text3 = document.getElementById('txt3').value.trim();
		
		if(text1 == "" || text2 == "" || text3 == ""){
			alert('Please answer the questions.  Other comments are optional.');
			return false;
		}
		else{
			return true;	
		}
		
	}
	
	function validateProfileForm(){
		var name = document.getElementById('name').value.trim();
		var email = document.getElementById('email').value.trim();
		
		if(name == "" || email == ""){
			alert('Please enter a name and an email address.');
			return false;
		}
		else{
			return true;	
		}
		
	}