var Behaviour = {

	list : new Array,

	register : function(sheet){

		Behaviour.list.push(sheet);

	},

	start : function(){

		Behaviour.addLoadEvent(function(){

			Behaviour.apply();

		});

	},

	apply : function(){

		for (h=0;sheet=Behaviour.list[h];h++){

			for (selector in sheet){

				list = document.getElementsBySelector(selector);

				if (!list){ continue; }

				for (i=0;element=list[i];i++){

					sheet[selector](element);

				}

			}

		}

	},

	addLoadEvent : function(func){

		var oldonload = window.onload;

		

		if (typeof window.onload != 'function') {

			window.onload = func;

		} else {

			window.onload = function() {

				oldonload();

				func();

			}

		}

	}

}



Behaviour.start();



function getAllChildren(e) {

  return e.all ? e.all : e.getElementsByTagName('*');

}



document.getElementsBySelector = function(selector) {

  if (!document.getElementsByTagName) {

    return new Array();

  }

  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) {

      var bits = token.split('#');

      var tagName = bits[0];

      var id = bits[1];

      var element = document.getElementById(id);

      if (tagName && element.nodeName.toLowerCase() != tagName) {

        return new Array();

      }

      currentContext = new Array(element);

      continue;

    }

    if (token.indexOf('.') > -1) {

      var bits = token.split('.');

      var tagName = bits[0];

      var className = bits[1];

      if (!tagName) {

        tagName = '*';

      }

      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;

    }

    if (token.match(/^(\w*)\[(\w+)([=~\|\^\$\*]?)=?"?([^\]"]*)"?\]$/)) {

      var tagName = RegExp.$1;

      var attrName = RegExp.$2;

      var attrOperator = RegExp.$3;

      var attrValue = RegExp.$4;

      if (!tagName) {

        tagName = '*';

      }

      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;

      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 :

          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];

        }

      }

      continue; // Skip to next token

    }

    

    if (!currentContext[0]){ return; }

    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;

}