function swap(id,newsrc) {
	pic = document.getElementById(id);
	pic.src = newsrc;
}


/*
	getElementsByClass - algorithm by Dustin Diaz, shortened by Pawel Knapik
*/
function getElementsByClass(s,n,t) {  // class, node, tag
	var c=[], e=(n?n:document).getElementsByTagName(t?t:'*'),r=new RegExp("(^|\\s)"+s+"(\\s|$)");
	for (var i=0,j=e.length;i<j;i++) r.test(e[i].className)?c.push(e[i]):''; return c }
	
/*
	$$() based on prototype.js dollar function idea, optimized by Pawel Knapik.
*/

function $$(){var r=[],a=arguments;for(var i=0,j=a.length;i<j;i++){(typeof a[i]=='string')?(r.push(document.getElementById(a[i]))):(r.push(a[i]))}
return(r.length==1)?r[0]:r}


// By Simon Willison
function addLoadEvent(func) {
   var oldonload = window.onload;
   if (typeof window.onload != 'function') {
      window.onload = func;
   }
   else {
      window.onload = function() {
      oldonload();
      func();
      }
    }
}

// functions by jonathan gala: www.jongala.com

function isBlank(val) {
	if(val==null){return true;}
	var b = /\S/;
	var match = b.test(val);
	return !match;
}


function checkemail(email) {
	/* This RegExp requires an address of the form xxx@xxx.xxx where xxx is one or more alphanumeric characters.  The last xxx can't have any numbers.  */
	var address= /[a-zA-Z0-9._%-]+@[a-zA-Z0-9._%-]+\.[a-zA-Z]{2,4}/;
	var match = address.test(email);
	return match;
}

function checkphone(num) {
	/* This functionjust strips non-digits, and checks to see that there are at least 10 numbers left over */
	x = num.replace(/[\D]*/g,"");
	if (x.length<10) {
		return false;
	} else {
		return true;
	}
}


// set up sidebar newsletter signup field blur function

function sidebar_signup_handler() {
	emailfield = $$('sidebar_email');
	//alert(emailfield);
	emailfield.className='defaultval';
	emailfield.onfocus = function() {
		if(this.value=='(enter email)') {
			this.value='';
			this.className='';
		}
		
	};
	emailfield.onblur = function() {
		if(isBlank(this.value)) {
			this.value='(enter email)';
			this.className='defaultval';
		}
		
	};
}


addLoadEvent(sidebar_signup_handler);

var homeCarouselSpeed = 3;

$(document).ready(function(){
	if($.jcarousel) {
		$('#homeCarousel').jcarousel({
			initCallback:initHomeCarouselCallback,
			scroll:1,
			wrap:'both',
			auto:homeCarouselSpeed
		});
	}
});


initHomeCarouselCallback = function(carousel) {
	$('#homeCarousel a.carousel-play').click(function(){
		carousel.options.auto = homeCarouselSpeed;
		carousel.startAuto();
		$('#homeCarousel a.carousel-play').hide();
		$('#homeCarousel a.carousel-pause').show();
		return false;
	});
	
	$('#homeCarousel a.carousel-pause').click(function(){
		carousel.stopAuto();
		carousel.options.auto = 0;
		$('#homeCarousel a.carousel-play').show();
		$('#homeCarousel a.carousel-pause').hide();
		return false;
	});
}