/*
jQUERY FUNCTIONS
--------------------------------------------------*/
jQuery(document).ready ( 
	function() {
		
		// DROP-DOWN MENUS
		jQuery( '#site-navigation li' ).hover(
			function(){ jQuery( 'ul', this ).show(); },
			function(){ jQuery( 'ul', this ).hide(); }
		);
		if (document.all) {
			jQuery( '#site-navigation li' ).hoverClass( 'sfHover' );
		}
		
		// ADD LINK TO HEADER
		$( 'h1' ).prepend( '<a href="/" title="Home"></a>' );
		
		// REMOVE PIPING FROM NAVS
		$( '#site-info ul li:last-child a' ).css( 'background','none' );
		$( 'ul.formulas-overview li:last-child' ).css( 'border','none' );
		
		// REMOVE MARGIN FROM RIGHT-MOST BLOCK IN FLOATED LIST
		$( '.list-products span:last-child' ).css( 'margin-right','0px' );
		
		// FOR ALERT MESSAGE
		if ( $( 'div#announcement' ).height() ) {
			$( '#site-wrapper' ).wrap( '<div id="site-wrapper2"></div>' );
		}
		
		// SCROLL TO ANCHORS
		$('a[@href*=#]').click(function() {
			if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
				var $target = $(this.hash);
				$target = $target.length && $target || $('[@name=' + this.hash.slice(1) +']');
				if ($target.length) {
					$target.ScrollTo(400);
					
					if (this.hash != "#www-tasteofthewildpetfood-com") { $( $target ).highlightFade( {color:'#4065B0',end:'#253A65',speed:2000} ); }
					return false;
				}
			};
		});

		
	}
);

$.fn.hoverClass = function(c) {
    return this.each(function(){
        $(this).hover( 
            function() { $(this).addClass(c);  },
            function() { $(this).removeClass(c); }
        );
    });
};

jQuery.fn.popupwindow = function(p) {

	var profiles = p || {};

	return this.each(function(index){
		var setting, parameters, mysettings, b, a;
		
		// for overrideing the default settings
		mysettings = (jQuery(this).attr("rel") || "").split(",");

		
		settings = {
			height:600, // sets the height in pixels of the window.
			width:600, // sets the width in pixels of the window.
			toolbar:0, // determines whether a toolbar (includes the forward and back buttons) is displayed {1 (YES) or 0 (NO)}.
			scrollbars:0, // determines whether scrollbars appear on the window {1 (YES) or 0 (NO)}.
			status:0, // whether a status line appears at the bottom of the window {1 (YES) or 0 (NO)}.
			resizable:1, // whether the window can be resized {1 (YES) or 0 (NO)}. Can also be overloaded using resizable.
			left:0, // left position when the window appears.
			top:0 // top position when the window appears.
		};

		// if mysettings length is 1 and not a value pair then assume it is a profile declaration
		// and see if the profile settings exists


		if(mysettings.length == 1 && mysettings[0].split(":").length == 1)
		{
			a = mysettings[0];
			// see if a profile has been defined
			if(typeof profiles[a] != "undefined")
			{
				settings = jQuery.extend(settings, profiles[a]);
			}
		}
		else
		{
			// overrides the settings with parameter passed in using the rel tag.
			for(var i=0; i < mysettings.length; i++)
			{
				b = mysettings[i].split(":");
				if(typeof settings[b[0]] != "undefined" && b.length == 2)
				{
					settings[b[0]] = b[1];
				}
			}
		}
		
		parameters = "height=" + settings.height + ",width=" + settings.width + ",toolbar=" + settings.toolbar + ",scrollbars=" + settings.scrollbars  + ",status=" + settings.status + ",resizable=" + settings.resizable + ",left=" + settings.left  + ",screenX=" + settings.left + ",top=" + settings.top  + ",screenY=" + settings.top;
		
		jQuery(this).bind("click", function(){
			var name = "PopUpWindow" + index;
			window.open(this.href, name, parameters).focus();
			return false;
		});
	});

};

/*
jQuery Plugin highlightFade (jquery.offput.ca/highlightFade)
--------------------------------------------------*/
jQuery.fn.highlightFade = function(settings) {
	var o = (settings && settings.constructor == String) ? {start: settings} : settings || {};
	var d = jQuery.highlightFade.defaults;
	var i = o['interval'] || d['interval'];
	var a = o['attr'] || d['attr'];
	var ts = {
		'linear': function(s,e,t,c) { return parseInt(s+(c/t)*(e-s)); },
		'sinusoidal': function(s,e,t,c) { return parseInt(s+Math.sin(((c/t)*90)*(Math.PI/180))*(e-s)); },
		'exponential': function(s,e,t,c) { return parseInt(s+(Math.pow(c/t,2))*(e-s)); }
	};
	var t = (o['iterator'] && o['iterator'].constructor == Function) ? o['iterator'] : ts[o['iterator']] || ts[d['iterator']] || ts['linear'];
	if (d['iterator'] && d['iterator'].constructor == Function) t = d['iterator'];
	return this.each(function() {
		if (!this.highlighting) this.highlighting = {};
		var e = (this.highlighting[a]) ? this.highlighting[a].end : jQuery.highlightFade.getBaseValue(this,a) || [255,255,255];
		var c = jQuery.highlightFade.getRGB(o['start'] || o['colour'] || o['color'] || d['start'] || [255,255,128]);
		var s = jQuery.speed(o['speed'] || d['speed']);
		var r = o['final'] || (this.highlighting[a] && this.highlighting[a].orig) ? this.highlighting[a].orig : jQuery.curCSS(this,a);
		if (o['end'] || d['end']) r = jQuery.highlightFade.asRGBString(e = jQuery.highlightFade.getRGB(o['end'] || d['end']));
		if (typeof o['final'] != 'undefined') r = o['final'];
		if (this.highlighting[a] && this.highlighting[a].timer) window.clearInterval(this.highlighting[a].timer);
		this.highlighting[a] = { steps: ((s.duration) / i), interval: i, currentStep: 0, start: c, end: e, orig: r, attr: a };
		jQuery.highlightFade(this,a,o['complete'],t);
	});
};

jQuery.highlightFade = function(e,a,o,t) {
	e.highlighting[a].timer = window.setInterval(function() { 
		var newR = t(e.highlighting[a].start[0],e.highlighting[a].end[0],e.highlighting[a].steps,e.highlighting[a].currentStep);
		var newG = t(e.highlighting[a].start[1],e.highlighting[a].end[1],e.highlighting[a].steps,e.highlighting[a].currentStep);
		var newB = t(e.highlighting[a].start[2],e.highlighting[a].end[2],e.highlighting[a].steps,e.highlighting[a].currentStep);
		jQuery(e).css(a,jQuery.highlightFade.asRGBString([newR,newG,newB]));
		if (e.highlighting[a].currentStep++ >= e.highlighting[a].steps) {
			jQuery(e).css(a,e.highlighting[a].orig || '');
			window.clearInterval(e.highlighting[a].timer);
			e.highlighting[a] = null;
			if (o && o.constructor == Function) o.call(e);
		}
	},e.highlighting[a].interval);
};

jQuery.highlightFade.defaults = {
	start: [255,255,128],
	interval: 50,
	speed: 400,
	attr: 'backgroundColor'
};

jQuery.highlightFade.getRGB = function(c,d) {
	var result;
	if (c && c.constructor == Array && c.length == 3) return c;
	if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(c))
		return [parseInt(result[1]),parseInt(result[2]),parseInt(result[3])];
	else if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(c))
		return [parseFloat(result[1])*2.55,parseFloat(result[2])*2.55,parseFloat(result[3])*2.55];
	else if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(c))
		return [parseInt("0x" + result[1]),parseInt("0x" + result[2]),parseInt("0x" + result[3])];
	else if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(c))
		return [parseInt("0x"+ result[1] + result[1]),parseInt("0x" + result[2] + result[2]),parseInt("0x" + result[3] + result[3])];
	else
		return jQuery.highlightFade.checkColorName(c) || d || null;
};

jQuery.highlightFade.asRGBString = function(a) {
	return "rgb(" + a.join(",") + ")";
};

jQuery.highlightFade.getBaseValue = function(e,a,b) {
	var s, t;
	b = b || false;
	t = a = a || jQuery.highlightFade.defaults['attr'];
	do {
		s = jQuery(e).css(t || 'backgroundColor');
		if ((s  != '' && s != 'transparent') || (e.tagName.toLowerCase() == "body") || (!b && e.highlighting && e.highlighting[a] && e.highlighting[a].end)) break; 
		t = false;
	} while (e = e.parentNode);
	if (!b && e.highlighting && e.highlighting[a] && e.highlighting[a].end) s = e.highlighting[a].end;
	if (s == undefined || s == '' || s == 'transparent') s = [255,255,255];
	return jQuery.highlightFade.getRGB(s);
};

jQuery.highlightFade.checkColorName = function(c) {
	if (!c) return null;
	switch(c.replace(/^\s*|\s*$/g,'').toLowerCase()) {
		case 'aqua': return [0,255,255];
		case 'black': return [0,0,0];
		case 'blue': return [0,0,255];
		case 'fuchsia': return [255,0,255];
		case 'gray': return [128,128,128];
		case 'green': return [0,128,0];
		case 'lime': return [0,255,0];
		case 'maroon': return [128,0,0];
		case 'navy': return [0,0,128];
		case 'olive': return [128,128,0];
		case 'purple': return [128,0,128];
		case 'red': return [255,0,0];
		case 'silver': return [192,192,192];
		case 'teal': return [0,128,128];
		case 'white': return [255,255,255];
		case 'yellow': return [255,255,0];
	}
};

// NUMBERS ONLY
jQuery.fn.numeric = function(decimal, callback) {
	decimal = decimal || ".";
	callback = typeof callback == "function" ? callback : function(){};
	this.keypress(
		function(e)
		{
			var key = e.charCode ? e.charCode : e.keyCode ? e.keyCode : 0;
			// allow enter/return key (only when in an input box)
			if(key == 13 && this.nodeName.toLowerCase() == "input")
			{
				return true;
			}
			else if(key == 13)
			{
				return false;
			}
			var allow = false;
			// allow Ctrl+A
			if((e.ctrlKey && key == 97 /* firefox */) || (e.ctrlKey && key == 65) /* opera */) return true;
			// allow Ctrl+X (cut)
			if((e.ctrlKey && key == 120 /* firefox */) || (e.ctrlKey && key == 88) /* opera */) return true;
			// allow Ctrl+C (copy)
			if((e.ctrlKey && key == 99 /* firefox */) || (e.ctrlKey && key == 67) /* opera */) return true;
			// allow Ctrl+Z (undo)
			if((e.ctrlKey && key == 122 /* firefox */) || (e.ctrlKey && key == 90) /* opera */) return true;
			// allow or deny Ctrl+V (paste), Shift+Ins
			if((e.ctrlKey && key == 118 /* firefox */) || (e.ctrlKey && key == 86) /* opera */
			|| (e.shiftKey && key == 45)) return true;
			// if a number was not pressed
			if(key < 48 || key > 57)
			{
				/* '-' only allowed at start */
				if(key == 45 && this.value.length == 0) return true;
				/* only one decimal separator allowed */
				if(key == decimal.charCodeAt(0) && this.value.indexOf(decimal) != -1)
				{
					allow = false;
				}
				// check for other keys that have special purposes
				if(
					key != 8 /* backspace */ &&
					key != 9 /* tab */ &&
					key != 13 /* enter */ &&
					key != 35 /* end */ &&
					key != 36 /* home */ &&
					key != 37 /* left */ &&
					key != 39 /* right */ &&
					key != 46 /* del */
				)
				{
					allow = false;
				}
				else
				{
					// for detecting special keys (listed above)
					// IE does not support 'charCode' and ignores them in keypress anyway
					if(typeof e.charCode != "undefined")
					{
						// special keys have 'keyCode' and 'which' the same (e.g. backspace)
						if(e.keyCode == e.which && e.which != 0)
						{
							allow = true;
						}
						// or keyCode != 0 and 'charCode'/'which' = 0
						else if(e.keyCode != 0 && e.charCode == 0 && e.which == 0)
						{
							allow = true;
						}
					}
				}
				// if key pressed is the decimal and it is not already in the field
				if(key == decimal.charCodeAt(0) && this.value.indexOf(decimal) == -1)
				{
					allow = true;
				}
			}
			else
			{
				allow = true;
			}
			return allow;
		}
	)
	.blur(
		function()
		{
			var val = jQuery(this).val();
			if(val != "")
			{
				var re = new RegExp("^\\d+$|\\d*" + decimal + "\\d+");
				if(!re.exec(val))
				{
					callback.apply(this);
				}
			}
		}
	);
	return this;
}