function menu(nav_list)
{
	if (document.getElementById(nav_list).style.display == 'none')
	{
		document.getElementById(nav_list).style.display = "block";
	}
	else
	{
		document.getElementById(nav_list).style.display = "none";
	}
}


function textCounter( field, countfield, maxlimit ) 
{
  if ( field.value.length > maxlimit )
  {
    field.value = field.value.substring( 0, maxlimit );
    alert( 'Textarea value can only be 255 characters in length.' );
    return false;
  }
  else
  {
    countfield.value = maxlimit - field.value.length;
  }
}

// This Javascript is written by Peter Velichkov (http://blog.creonfx.com)
// and is distributed under the following license : http://creativecommons.org/licenses/by-sa/3.0/
// Use and modify all you want just keep this comment. Thanks

var incdec = 0;
var headID = document.getElementsByTagName("head")[0];
var cssNode = document.createElement("style");
cssNode.type = 'text/css';
cssNode.id="resizingText";

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "";
		if (days != 0)
		{
			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);
}

function loadCss(x){
	try{
		var cssStr = '\
		#contentLeft p, #rightCol li {font-size:' + (11+x) +'pt;}\
		#contentLeft h1 {font-size:' + (16+x) +'pt;}\
		#contentLeft h2, h3 {font-size:' + (12+x) +'pt;}\
		#contentLeft label {font-size:' + (13+x) +'pt;}\
		#contentLeft .larger {font-size:' + (12+x) +'pt;}\
		#contentLeft .largest {font-size:' + (16+x) +'pt;}\
		#contentLeft .smaller {font-size:' + (10+x) +'pt;}\
		#captions {font-size:' + (14+x) +'pt;}\
		';
		if(cssNode.styleSheet){
			cssNode.styleSheet.cssText = cssStr; // for IE
		} else {
			var cssText = document.createTextNode(cssStr);
			cssNode.appendChild(cssText); // breaks ie
			//cssNode.innerHTML = cssStr; // breaks saffari
		}
		if(!document.getElementById("resizingText"))headID.appendChild(cssNode);
	}catch(err){ 
		// some debugging code
		alert("error");
	}
}

function increaseFontSize() {
	if(incdec < 9){
		incdec = incdec + 3;
		loadCss(incdec);
		createCookie('textsize',incdec,1); 
	}
}

function decreaseFontSize() {
	if(incdec > 0){
		incdec = incdec-3;
		loadCss(incdec);
		createCookie('textsize',incdec,1); 
	}		
}

var x = readCookie('textsize')
if (x && x!=0) {
	x = parseInt(x);
	incdec = x;
	loadCss(x);
}
//eraseCookie('textsize');