function checkForm() {
  // Really cheap form validation.  Cant do conditional for express because object name is dynamic.  will at least prevent users from submitting blank character names. 
	charname = document.getElementById("charname").value;
	if (charname == "") {
		hideAllErrors();
		document.getElementById("charnameError").style.display = "inline";
		document.getElementById("charname").select();
		document.getElementById("charname").focus();
  return false;
  }
  return true;
  }
 
  function hideAllErrors() {
  document.getElementById("charnameError").style.display = "none"
  }
  
  

function infoSwitch(menu) {
	if (menu.parentNode.className == "hidden") {
		menu.parentNode.className = "shown";
		menu.innerHTML=menu.innerHTML.replaceAll("More Info", "Less Info");
	} else {
		menu.parentNode.className = "hidden";
		menu.innerHTML=menu.innerHTML.replaceAll("Less Info", "More Info");
	}
}

function toggleElement(element_id, expander_id) {
	var thisClassName;
	thisClassName	= document.getElementById(element_id).className;

	if (thisClassName == "collapsed") {
		document.getElementById(expander_id).className		= "collapse";
		document.getElementById(element_id).className		= "expanded";
		}

	else {

		document.getElementById(expander_id).className		= "expand";
		document.getElementById(element_id).className		= "collapsed";
		}
	}

function popupBox(pbox, showhide){
	if(showhide == "show"){
		document.getElementById(pbox).style.visibility="visible"; 
		document.getElementById(pbox).style.display="block"; 
		}
	else if(showhide == "hide"){
		document.getElementById(pbox).style.visibility="hidden";
		document.getElementById(pbox).style.display="none";
		}
	}

function showOrHide(obj_id) {
	var currentClass;
	currentClass	= document.getElementById(obj_id).className;

	if (currentClass == "shown") {
		document.getElementById(obj_id).className = "hidden";
		}
	else {
		document.getElementById(obj_id).className = "shown";
		}
	}


function toggleDisplay(pbox){
	if (document.getElementById(pbox).style.display=="block") {
		document.getElementById(pbox).style.display="none";
		grayOut(false);
		}
	else {
		document.getElementById(pbox).style.display="block";
		grayOut(true);
		}
	}


function grayOut(vis, options) {
// Pass true to gray out screen, false to ungray
// options are optional. This is a JSON object with the following (optional) properties
// opacity:0-100 // Lower number = less grayout higher = more of a blackout 
// zindex: # // HTML elements with a higher zindex appear on top of the gray out
// bgcolor: (#xxxxxx) // Standard RGB Hex color code
// grayOut(true, {'zindex':'50', 'bgcolor':'#0000FF', 'opacity':'70'});
// Because options is JSON opacity/zindex/bgcolor are all optional and can appear
// in any order. Pass only the properties you need to set.
var options = options || {}; 
var zindex = options.zindex || 50;
var opacity = options.opacity || 70;
var opaque = (opacity / 100);
var bgcolor = options.bgcolor || '#000000';
var dark=document.getElementById('darkenScreenObject');
if (!dark) {
// The dark layer doesn't exist, it's never been created. So we'll
// create it here and apply some basic styles.
// If you are getting errors in IE see: http://support.microsoft.com/default.aspx/kb/927917
var tbody = document.getElementsByTagName("body")[0];
var tnode = document.createElement('div'); // Create the layer.
tnode.style.position='absolute'; // Position absolutely
tnode.style.top='0px'; // In the top
tnode.style.left='0px'; // Left corner of the page
tnode.style.overflow='hidden'; // Try to avoid making scroll bars 
tnode.style.display='none'; // Start out Hidden
tnode.id='darkenScreenObject'; // Name it so we can find it later
tbody.appendChild(tnode); // Add it to the web page
dark=document.getElementById('darkenScreenObject'); // Get the object.
}
if (vis) {
// Calculate the page width and height 
if( document.body && ( document.body.scrollWidth || document.body.scrollHeight ) ) {
var pageWidth = document.body.scrollWidth+'px';
var pageHeight = document.body.scrollHeight+'px';
} else if( document.body.offsetWidth ) {
var pageWidth = document.body.offsetWidth+'px';
var pageHeight = document.body.offsetHeight+'px';
} else {
var pageWidth='100%';
var pageHeight='100%';
} 
//set the shader to cover the entire page and make it visible.
dark.style.opacity=opaque; 
dark.style.MozOpacity=opaque; 
dark.style.filter='alpha(opacity='+opacity+')'; 
dark.style.zIndex=zindex; 
dark.style.backgroundColor=bgcolor; 
dark.style.width= pageWidth;
dark.style.height= pageHeight;
dark.style.display='block'; 
} else {
dark.style.display='none';
}
}