var user_agent = navigator.userAgent.toLowerCase();


function getElementsByClassName(classname)
{
  var matches = new Array();
  var re = new RegExp("(^| )" + classname + "( |$)");
  var all_elements = document.getElementsByTagName("*");

  if (document.all && user_agent.indexOf("Opera") == -1)
  {
    all_elements = document.all;
  }

  for (var i = 0, j = 0; i < all_elements.length; i++)
  {
    if (re.test(all_elements[i].className))
    {
      matches[j] = all_elements[i];
      j++;
    }
  }

  return matches;
}


function hoverTextbox(elementId,action)
{
  var color;

  if (action == "focus")
  {
    color = "#FFFBEB";
  }
  else if (action == "blur")
  {
    color = "#FFFFFF";
  }

  document.getElementById(elementId).style.backgroundColor = color;
}


function alterTextboxes()
{
  if (user_agent.indexOf("msie") != -1 && user_agent.indexOf("windows") != -1)
  {
    elements = getElementsByClassName("textbox");

    for (var i = 0; i < elements.length; i++)
    {
/*

since ie win doesn't like the DOM method setAttribute(),
we've got to use instead IE's propietary attachEvent method

      elements[i].setAttribute("onfocus","hoverTextbox('" + elements[i].id + "','focus'); return true;");
      elements[i].setAttribute("onblur","hoverTextbox('" + elements[i].id + "','blur'); return true;");
*/

      elements[i].onfocus = new Function ('hoverTextbox(this.id,"focus")');
      elements[i].onblur = new Function ('hoverTextbox(this.id,"blur")');
    }
  }
}


//Load our page init function
window.onload = acs_init;

function acs_init() {


	createBoxes();

	alterTextboxes();

	
	//check for textsize	
	if(getCookie("textsize")) {		
		setTextSize(getCookie("textsize"));
	}
	
	if(typeof sIFR == "function"){		
    	sIFR.replaceElement("h1#pagetitle", named({sFlashSrc: "/webresources/scripts/formata-reg.swf", sColor: "#59654D", sCase: "normal"}));
		sIFR.replaceElement("blockquote p", named({sFlashSrc: "/webresources/scripts/formata-reg.swf", sColor: "#59654D", sCase: "normal"}));
	};
	
}

function createBoxes() {
  if ((user_agent.indexOf("msie") == -1 || user_agent.indexOf("mac") == -1) || user_agent.indexOf("opera") != -1)
  {
	var elements = document.getElementsByTagName('div');	
	for(var i = 0; i < elements.length; i++) {
		var div = elements[i];
		if(div.className.indexOf('section') > -1) {
			var temp = div.innerHTML;
			div.innerHTML = "";
			
			var top = document.createElement('div');
			var bottom = document.createElement('div');
			var content = document.createElement('div');
			
			top.className = 'top'; 
			content.className = 'content';
			bottom.className = 'bottom';
			
			top.innerHTML = '<div></div>';
			content.innerHTML = temp;
			bottom.innerHTML = '<div></div>';
			
			div.appendChild(top);
			div.appendChild(content);
			div.appendChild(bottom);
		}
	}
  }
}


function setTextSize(size) {
	if(document.getElementsByTagName) {
		var bodyTag = document.getElementsByTagName("body");
		var textsize = document.getElementById('textsize');
		
		if(bodyTag && textsize) {			
			switch(size) {
				case "small": 
					document.getElementById('medium').className = "medium";
					document.getElementById('large').className = "large";
					bodyTag.item(0).style.fontSize = "66%";					
					break;
				case "medium": 
					document.getElementById('small').className = "small";
					document.getElementById('large').className = "large";
					bodyTag.item(0).style.fontSize = "76%";
					break;
				case "large": 
					document.getElementById('small').className = "small";
					document.getElementById('medium').className = "medium";
					bodyTag.item(0).style.fontSize = "100%";
					break;
			}
			document.getElementById(size).className += " selected";
						
			// Set code to add this setting to a cookie; Invalidate the cookie after session?
			setCookie("textsize", size, null, "index.html", "", null);
		}
	}
}

function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;


/*

internet explorer on windows needs a refresh upon setting the cookie, 
so we need to do something like this:

	if (document.all && user_agent.indexOf("Opera") == -1)
	{
		history.go(0);
	}

but, ie win just spits this up too.

*/

}

function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}