/*
jQuery Meerkat Plugin :: Version 1.0
Copyright (c) 2009 Jarod Taylor (http://www.jarodtaylor.com)
Licensed under the MIT (license.txt)
*/

function meerkat(options) {
	
	this.settings = {
		showMeerkatOnLoad: 'false',
		close: 'none',
		dontShow: 'none',
		dontShowExpire: 0,
		removeCookie: 'none',
		meerkatPosition: 'bottom',
		animation: 'slide',
		animationSpeed: 'slow',
		height: 'auto',
		background: 'none'
	}

	if(options){
		jQuery.extend(this.settings, options);
	}
	
	var settings = this.settings;
	var cookieExpiration = settings.dontShowExpire;
	
	function createCookie(name,value,days) {
		if (days) {
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var 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);
	}
	
	jQuery(settings.removeCookie).click(function(){ eraseCookie('meerkat')});
	
	if(readCookie('meerkat') != 'dontshow')
	{
		jQuery('html, body').css({'margin':'0', 'padding':'0', 'height':'100%'});
		jQuery('#meerkat').show().wrap('<div id="meerkat-wrap"><div id="meerkat-container">' + '</div></div>');
	
		jQuery('#meerkat-wrap').css({'position':'fixed', 'width':'75%', 'margin-left':'12.5%', 'margin-right':'12.5%', 'height': settings.height}).css(settings.meerkatPosition,"0");
		jQuery('#meerkat-container').css({'background': settings.background, 'height': settings.height});
		//Give the close and dontShow elements a cursor (there's no need to use a href)
		jQuery(settings.close+","+settings.dontShow).css({"cursor":"pointer"});
		
		
		if(jQuery.browser.msie && jQuery.browser.version <= 6){
					jQuery('#meerkat-wrap').css({'position':'absolute', 'bottom':'-1px', 'z-index' : '0'});
					if(jQuery('#ie6-content-container').length == 0){			
					jQuery('body').children()
						.filter(function (index) {
							return jQuery(this).attr('id') != 'meerkat-wrap';
						})
					.wrapAll('<div id="ie6-content-container"></div>');
					jQuery('html, body').css({'height':'100%', 'width':'100%', 'overflow':'hidden'});
					jQuery('#ie6-content-container').css({'overflow':'auto', 'width':'100%', 'height':'100%', 'position':'absolute'});
					var bgProperties = document.body.currentStyle.backgroundColor+ " ";
					bgProperties += document.body.currentStyle.backgroundImage+ " ";
					bgProperties += document.body.currentStyle.backgroundRepeat+ " ";
					bgProperties += document.body.currentStyle.backgroundAttachment+ " ";
					bgProperties += document.body.currentStyle.backgroundPositionX+ " ";
					bgProperties += document.body.currentStyle.backgroundPositionY;
					jQuery("body").css({'background':'none'});
					jQuery("#ie6-content-container").css({'background' : bgProperties});
					}
					var ie6ContentContainer = document.getElementById('ie6-content-container');					
					if((ie6ContentContainer.clientHeight < ie6ContentContainer.scrollHeight) && (settings.position != 'left')) {
						jQuery('#meerkat-wrap').css({'right' : '17px'});
					}
				}
		
		if((settings.animation == "slide")&&(settings.showMeerkatOnLoad != "true")){			
			jQuery('#meerkat-wrap').hide().slideDown(settings.animationSpeed);
			jQuery(settings.close).click(function(){
				jQuery("#meerkat-wrap").slideUp();							
			});
			
			jQuery(settings.dontShow).click(function () {
				createCookie('meerkat','dontshow', cookieExpiration);
				jQuery("#meerkat-wrap").slideUp();	
			});
		} else if((settings.animation == "fade")&&(settings.showMeerkatOnLoad != "true")) {
			jQuery('#meerkat-wrap').hide().fadeIn(settings.animationSpeed);
			jQuery(settings.close).click(function(){
				jQuery("#meerkat-wrap").fadeOut(settings.animationSpeed);								
			});
			
			jQuery(settings.dontShow).click(function () {			
				createCookie('meerkat','dontshow', cookieExpiration);
				jQuery("#meerkat-wrap").fadeOut();	
			});	
		} else if ((settings.showMeerkatOnLoad == "true")&&(settings.animation == "slide")){
			jQuery('#meerkat-wrap').show();
			jQuery(settings.close).click(function(){
				jQuery("#meerkat-wrap").slideUp();							
			});
			
			jQuery(settings.dontShow).click(function () {
				createCookie('meerkat','dontshow', cookieExpiration);
				jQuery("#meerkat-wrap").slideUp();	
			});
		} else if ((settings.showMeerkatOnLoad == "true")&&(settings.animation == "fade")){
			jQuery('#meerkat-wrap').show();
			jQuery(settings.close).click(function(){
				jQuery("#meerkat-wrap").fadeOut(settings.animationSpeed);								
			});
			
			jQuery(settings.dontShow).click(function () {			
				createCookie('meerkat','dontshow', cookieExpiration);
				jQuery("#meerkat-wrap").fadeOut();
			});
		}
	} else {
		jQuery("#meerkat").hide();
	}
}