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.$4;
			if (!tagName) 
			{
				tagName = '*';
			}
			var found = new Array;
			var foundCount = 0;
			for (var h = 0; h < currentContext.length; h++) 
			{
				var elements;
				if (tagName == '*') 
				{
					elements = getAllChildren(currentContext[h]);
				}
				else 
				{
					elements = currentContext[h].getElementsByTagName(tagName);
				}
				for (var j = 0; j < elements.length; j++) 
				{
					found[foundCount++] = elements[j];
				}
			}
			currentContext = new Array;
			var currentContextIndex = 0;
			var checkFunction;
			switch (attrOperator)
			{
				case '=':
					checkFunction = function(e)
					{
						return (e.getAttribute(attrName) == attrValue);
					};
					break;
				case '~':
					checkFunction = function(e)
					{
						return (e.getAttribute(attrName).match(new RegExp('\\b' + attrValue + '\\b')));
					};
					break;
				case '|':
					checkFunction = function(e)
					{
						return (e.getAttribute(attrName).match(new RegExp('^' + attrValue + '-?')));
					};
					break;
				case '^':
					checkFunction = function(e)
					{
						return (e.getAttribute(attrName).indexOf(attrValue) == 0);
					};
					break;
				case '$':
					checkFunction = function(e)
					{
						return (e.getAttribute(attrName).lastIndexOf(attrValue) == e.getAttribute(attrName).length - attrValue.length);
					};
					break;
				case '*':
					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;
		}
		
		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;
}