// debug function console for ff and saf, alert for rest.
function $d(msg)
{
	if(typeof(console)!="undefined") console.log(msg);
	else alert(msg);
}
function $(Elem)
{
	if(document.getElementById)
		return document.getElementById(Elem);
	else if(document.all)
		return document.all[Elem];
}
function $h(Elem) {
	var elem;
	if(typeof(Elem)=="object")
		elem = Elem;
	else if(document.getElementById)
		var elem = document.getElementById(Elem);
	else if (document.all)
		var elem = document.all[Elem];
	
	xPos = elem.offsetHeight;
	
	return xPos;
}
function $w(Elem) {
	var elem;
	if(typeof(Elem)=="object")
		elem = Elem;
	else if(document.getElementById)
		var elem = document.getElementById(Elem);
	else if (document.all)
		var elem = document.all[Elem];
	
	xPos = elem.offsetWidth;
		
	return xPos;
}
function getAllChildren(e) {
  // Returns all children of element. Workaround required for IE5/Windows. Ugh.
  return e.all ? e.all : e.getElementsByTagName('*');
}
document.getElementsBySelector = function(selector) {
  // Attempt to fail gracefully in lesser browsers
  if (!document.getElementsByTagName) {
    return new Array();
  }
  // Split selector in to tokens
  var tokens = selector.split(' ');
  var currentContext = new Array(document);
  for (var i = 0; i < tokens.length; i++) {
    token = tokens[i].replace(/^\s+/,'').replace(/\s+$/,'');;
    if (token.indexOf('#') > -1) {
      // Token is an ID selector
      var bits = token.split('#');
      var tagName = bits[0];
      var id = bits[1];
      var element = document.getElementById(id);
      if (tagName && element.nodeName.toLowerCase() != tagName) {
        // tag with that ID not found, return false
        return new Array();
      }
      // Set currentContext to contain just this element
      currentContext = new Array(element);
      continue; // Skip to next token
    }
    if (token.indexOf('.') > -1) {
      // Token contains a class selector
      var bits = token.split('.');
      var tagName = bits[0];
      var className = bits[1];
      if (!tagName) {
        tagName = '*';
      }
      // Get elements matching tag, filter them for class selector
      var found = new Array;
      var foundCount = 0;
      for (var h = 0; h < currentContext.length; h++) {
        var elements;
        if (tagName == '*') {
            elements = getAllChildren(currentContext[h]);
        } else {
            elements = currentContext[h].getElementsByTagName(tagName);
        }
        for (var j = 0; j < elements.length; j++) {
          found[foundCount++] = elements[j];
        }
      }
      currentContext = new Array;
      var currentContextIndex = 0;
      for (var k = 0; k < found.length; k++) {
        if (found[k].className && found[k].className.match(new RegExp('\\b'+className+'\\b'))) {
          currentContext[currentContextIndex++] = found[k];
        }
      }
      continue; // Skip to next token
    }
    // Code to deal with attribute selectors
    if (token.match(/^(\w*)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/)) {
      var tagName = RegExp.$1;
      var attrName = RegExp.$2;
      var attrOperator = RegExp.$3;
      var attrValue = RegExp.$4;
      if (!tagName) {
        tagName = '*';
      }
      // Grab all of the tagName elements within current context
      var found = new Array;
      var foundCount = 0;
      for (var h = 0; h < currentContext.length; h++) {
        var elements;
        if (tagName == '*') {
            elements = getAllChildren(currentContext[h]);
        } else {
            elements = currentContext[h].getElementsByTagName(tagName);
        }
        for (var j = 0; j < elements.length; j++) {
          found[foundCount++] = elements[j];
        }
      }
      currentContext = new Array;
      var currentContextIndex = 0;
      var checkFunction; // This function will be used to filter the elements
      switch (attrOperator) {
        case '=': // Equality
          checkFunction = function(e) { return (e.getAttribute(attrName) == attrValue); };
          break;
        case '~': // Match one of space seperated words 
          checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('\\b'+attrValue+'\\b'))); };
          break;
        case '|': // Match start with value followed by optional hyphen
          checkFunction = function(e) { return (e.getAttribute(attrName).match(new RegExp('^'+attrValue+'-?'))); };
          break;
        case '^': // Match starts with value
          checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) == 0); };
          break;
        case '$': // Match ends with value - fails with "Warning" in Opera 7
          checkFunction = function(e) { return (e.getAttribute(attrName).lastIndexOf(attrValue) == e.getAttribute(attrName).length - attrValue.length); };
          break;
        case '*': // Match ends with value
          checkFunction = function(e) { return (e.getAttribute(attrName).indexOf(attrValue) > -1); };
          break;
        default :
          // Just test for existence of attribute
          checkFunction = function(e) { return e.getAttribute(attrName); };
      }
      currentContext = new Array;
      var currentContextIndex = 0;
      for (var k = 0; k < found.length; k++) {
        if (checkFunction(found[k])) {
          currentContext[currentContextIndex++] = found[k];
        }
      }
      // alert('Attribute Selector: '+tagName+' '+attrName+' '+attrOperator+' '+attrValue);
      continue; // Skip to next token
    }
    
    if (!currentContext[0]){
    	return;
    }
    
    // If we get here, token is JUST an element (not a class or ID selector)
    tagName = token;
    var found = new Array;
    var foundCount = 0;
    for (var h = 0; h < currentContext.length; h++) {
      var elements = currentContext[h].getElementsByTagName(tagName);
      for (var j = 0; j < elements.length; j++) {
        found[foundCount++] = elements[j];
      }
    }
    currentContext = found;
  }
  return currentContext;
}
function $t(Elem)
{
	var elem;
	if(typeof(Elem)=="object")
		elem = Elem;
	else if(document.getElementById)	
		var elem = document.getElementById(Elem);
	else if (document.all)
		var elem = document.all[Elem];
		
	yPos = elem.offsetTop;
	tempEl = elem.offsetParent;
	while (tempEl != null) {
		yPos += tempEl.offsetTop;
		tempEl = tempEl.offsetParent;
	}
	return yPos;
}
function $l(Elem) {
	var elem;
	if(typeof(Elem)=="object")
		elem = Elem;
	else if(document.getElementById)
		var elem = document.getElementById(Elem);
	else if (document.all)
		var elem = document.all[Elem];
	
	xPos = elem.offsetLeft;
	tempEl = elem.offsetParent;
	while (tempEl != null) {
		xPos += tempEl.offsetLeft;
		tempEl = tempEl.offsetParent;
	}
	return xPos;
}
function getFileName(strFN)
{
	return strFN.substring(strFN.lastIndexOf("/")+1);	
}
var isIE = false;
function Ajax()
{
	this.req = null;
	this.resp="";
	
	this.init = function(url, m)
	{
		this.loadXMLDoc(url, m);
	};
	
	this.loadXMLDoc = function(url, m)
	{
		var method = (m)?m:"GET";
		if (window.XMLHttpRequest) {
			this.req = new XMLHttpRequest();
			this.req.onreadystatechange = this.reqChange;
			this.req.open(method, url, true);
			this.req.send(null);
		} else if (window.ActiveXObject) {
			isIE = true;
			this.req = new ActiveXObject("Microsoft.XMLHTTP");
			if (this.req) {
				this.req.onreadystatechange = this.reqChange;
				this.req.open(method, url, true);
				this.req.send();
			}
		}
	};
	
	this.reqChange = function(){		
		/*
		**	So this function is going to get overriden when a new Ajax object is created.
		*/
	};
}
function getURLParams()
{
	var URL = window.location.toString();
	var URLParams = new Array();
	var a, b;
	if(URL.indexOf("?")!=-1)
	{
		var a = URL.split("?");
		a = a[1].split("&");
		for(var i = 0; i<a.length; i++)
		{
			b = a[i].split("=");
			URLParams[b[0]] = b[1];
		}
		return URLParams;
	}
	return null;
}
function changeimage(el, state)
{
	var img = el.firstChild;
	var previous = getFileName(img.src);
	if(state==1)
	{
		previous = previous.replace("_off", "_on");
	}
	else
	{
		previous = previous.replace("_on", "_off");
	}
	var src = img.src.substring(0, (img.src.lastIndexOf("/")+1)) + previous;
	img.src = src;
}