/*
03.15.08	MDC	created
03.18.08	MDC	updated with article thickbox and hp feature
06.18.08	MDC	changed bgc to match mainline feature images
*/
var g_UPLOAD_DIR,bgc;
g_UPLOAD_DIR = '/CMS/wp-content/uploads/';
bgc = '#D2D2D2';

function hp_feature_toggle(o) {
	//on hover of 'o' change the big image to the corresponding image
	//there's a matching image for each feature tag (feature1,feature2,feature3,etc) in /images/bg/
	var imgHolder = document.getElementById('home_featured');	//change the background-image of this
	var img = o.getAttribute('img');							//the image within an <a>
	if (img) {
		//setTimeout(function() {
		//	Fat.fade_element('home_featured',30,500,'#D2D2D2','#FFFFFF');
		//	setTimeout(function() {
				//Fat.fade_element('home_featured',30,500,'#D2D2D2','#FFFFFF');
				imgHolder.style.background = bgc +' url('+ g_UPLOAD_DIR +''+ img +') top left no-repeat';
		//	},500);
		//},500);
			
		/*$('home_featured').fadeOut("fast",function() {
			
			$('home_featured').fadeIn("fast",function() {
				
			});
		});*/
		//imgHolder.style.background = '#D2D2D2 url('+ g_UPLOAD_DIR +''+ img +') top left no-repeat';
		//alert(g_UPLOAD_DIR +''+ img);
		//imgHolder.title = g_UPLOAD_DIR +''+ img;
	}
}

/*window.addEvent('domready',function() {
	//alert('k');
	//thickbox all linked images added to articles
	if ($('single_article')) {
		$$('#single_article a img').each(function(img,i) {
			img.parentNode.className = 'smoothbox';	//apply class to <a>
			img.parentNode.setAttribute('rel','img_group');
			//alert(img.parentNode.innerHTML);
		});
		TB_init();
	}
});*/


// @name      The Fade Anything Technique
// @namespace http://www.axentric.com/aside/fat/
// @version   1.0-RC1
// @author    Adam Michela
// 		Fat.fade_element(id,fps,duration,from,to);
var Fat = {
	make_hex : function (r,g,b) 
	{
		r = r.toString(16); if (r.length == 1) r = '0' + r;
		g = g.toString(16); if (g.length == 1) g = '0' + g;
		b = b.toString(16); if (b.length == 1) b = '0' + b;
		return "#" + r + g + b;
	},
	fade_all : function ()
	{
		var a = document.getElementsByTagName("*");
		for (var i = 0; i < a.length; i++) 
		{
			var o = a[i];
			var r = /fade-?(\w{3,6})?/.exec(o.className);
			if (r)
			{
				if (!r[1]) r[1] = "";
				if (o.id) Fat.fade_element(o.id,null,null,"#"+r[1]);
			}
		}
	},
	fade_element : function (id, fps, duration, from, to) 
	{
		if (!fps) fps = 30;
		if (!duration) duration = 3000;
		if (!from || from=="#") from = "#FFFF33";
		if (!to) to = this.get_bgcolor(id);
		
		var frames = Math.round(fps * (duration / 1000));
		var interval = duration / frames;
		var delay = interval;
		var frame = 0;
		
		if (from.length < 7) from += from.substr(1,3);
		if (to.length < 7) to += to.substr(1,3);
		
		var rf = parseInt(from.substr(1,2),16);
		var gf = parseInt(from.substr(3,2),16);
		var bf = parseInt(from.substr(5,2),16);
		var rt = parseInt(to.substr(1,2),16);
		var gt = parseInt(to.substr(3,2),16);
		var bt = parseInt(to.substr(5,2),16);
		
		var r,g,b,h;
		while (frame < frames)
		{
			r = Math.floor(rf * ((frames-frame)/frames) + rt * (frame/frames));
			g = Math.floor(gf * ((frames-frame)/frames) + gt * (frame/frames));
			b = Math.floor(bf * ((frames-frame)/frames) + bt * (frame/frames));
			h = this.make_hex(r,g,b);
		
			setTimeout("Fat.set_bgcolor('"+id+"','"+h+"')", delay);

			frame++;
			delay = interval * frame; 
		}
		setTimeout("Fat.set_bgcolor('"+id+"','"+to+"')", delay);
	},
	set_bgcolor : function (id, c)
	{
		var o = document.getElementById(id);
		o.style.backgroundColor = c;
	},
	get_bgcolor : function (id)
	{
		var o = document.getElementById(id);
		while(o)
		{
			var c;
			if (window.getComputedStyle) c = window.getComputedStyle(o,null).getPropertyValue("background-color");
			if (o.currentStyle) c = o.currentStyle.backgroundColor;
			if ((c != "" && c != "transparent") || o.tagName == "BODY") { break; }
			o = o.parentNode;
		}
		if (c == undefined || c == "" || c == "transparent") c = "#FFFFFF";
		var rgb = c.match(/rgb\s*\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)/);
		if (rgb) c = this.make_hex(parseInt(rgb[1]),parseInt(rgb[2]),parseInt(rgb[3]));
		return c;
	}
}
function isValidEmail(email) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)) {
		return true;
	} else {
		return false;
	}
}