/*
	SlideItMoo v1.0 - Image slider
	(c) 2007-2008 Constantin Boiangiu <http://www.php-help.ro>
	MIT-style license.
*/
var SlideItMoo = new Class({
					   
	initialize: function(options){
		this.options = $extend({
			itemsVisible:5,
			showControls:1,
			autoSlide: 0,
			transition: Fx.Transitions.linear,
			currentElement: 0,
			thumbsContainer: 'thumbs',
			elementScrolled: 'thumb_container',
			overallContainer: 'gallery_container'
		},options || {});	
		
		this.images = $(this.options.thumbsContainer).getElements('a');
		// assumes that all thumbnails have the same width
		this.image_size = this.images[0].getSize();
		
		// resizes the container div's according to the number of itemsVisible thumbnails
		this.setContainersSize();
		
		this.myFx = new Fx.Scroll(this.options.elementScrolled,{ transition: this.options.transition });		
		// adds the forward-backward buttons
		if( this.images.length > this.options.itemsVisible ){
			this.fwd = this.addControlers('addfwd');
			this.bkwd = this.addControlers('addbkwd');
			this.forward();
			this.backward();
			/* if autoSlide is not set, scoll on mouse wheel */
			if( !this.options.autoSlide ){
				$(this.options.thumbsContainer).addEvent('mousewheel', function(ev){
					new Event(ev).stop();
					ev.wheel < 0 ? this.fwd.fireEvent('click') : this.bkwd.fireEvent('click');			
				}.bind(this));
			}
			else{
				this.startIt = function(){ this.fwd.fireEvent('click') }.bind(this);
				this.autoSlide = this.startIt.periodical(this.options.autoSlide, this);
				this.images.addEvents({
					'mouseover':function(){
						$clear(this.autoSlide);						
					}.bind(this),
					'mouseout':function(){
						this.autoSlide = this.startIt.periodical(this.options.autoSlide, this);
					}.bind(this)
				})
			}
		};
		
		// if there's a specific default thumbnail to start with, slide to it
		if( this.options.currentElement!==0 ){
			this.options.currentElement-=1;
			this.slide(1);
		}
	},
	
	setContainersSize: function(){
		$(this.options.overallContainer).set({
			styles:{
				'width': this.options.itemsVisible * this.image_size.x + 50*this.options.showControls + (this.options.itemsVisible-1)*3
			}
		});
		$(this.options.elementScrolled).set({
			styles:{
				'width': this.options.itemsVisible * this.image_size.x + (this.options.itemsVisible-1)*3
			}
		});
	},
	
	forward: function(){				
		this.fwd.addEvent('click',function(){
			this.slide(1);
		}.bind(this));		
	},
	
	backward: function(){			
		this.bkwd.addEvent('click',function(){											
			this.slide(-1);			
		}.bind(this))	
	},
	
	addControlers: function(cssClass){
		element = new Element('div',{
			'class': cssClass,
			styles:{
				'display': this.options.showControls ? '' : 'none'
			}
		}).injectInside($(this.options.overallContainer));
		return element;
	},
	
	slide: function(step){
		/* if autoslice is on, when end is reached, go back to begining */
		if(this.options.autoSlide && this.options.currentElement >= this.images.length-this.options.itemsVisible ){
			this.options.currentElement = -1;
		}
		
		if ( ( this.options.currentElement < this.images.length-this.options.itemsVisible && step>0 ) || ( step < 0 && this.options.currentElement !== 0 ) ){
			this.myFx.cancel();
			this.options.currentElement += step;		
			this.myFx.toElement( this.images[this.options.currentElement] );
		}
	}
})

function number_format(number, decimals, dec_point, thousands_sep) {
    // http://kevin.vanzonneveld.net
    // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // +     bugfix by: Michael White (http://getsprink.com)
    // +     bugfix by: Benjamin Lupton
    // +     bugfix by: Allan Jensen (http://www.winternet.no)
    // +    revised by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // +     bugfix by: Howard Yeend
    // +    revised by: Luke Smith (http://lucassmith.name)
    // +     bugfix by: Diogo Resende
    // +     bugfix by: Rival
    // +      input by: Kheang Hok Chin (http://www.distantia.ca/)
    // +   improved by: davook
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +      input by: Jay Klehr
    // +   improved by: Brett Zamir (http://brett-zamir.me)
    // +      input by: Amir Habibi (http://www.residence-mixte.com/)
    // +     bugfix by: Brett Zamir (http://brett-zamir.me)
    // +   improved by: Theriault
    // *     example 1: number_format(1234.56);
    // *     returns 1: '1,235'
    // *     example 2: number_format(1234.56, 2, ',', ' ');
    // *     returns 2: '1 234,56'
    // *     example 3: number_format(1234.5678, 2, '.', '');
    // *     returns 3: '1234.57'
    // *     example 4: number_format(67, 2, ',', '.');
    // *     returns 4: '67,00'
    // *     example 5: number_format(1000);
    // *     returns 5: '1,000'
    // *     example 6: number_format(67.311, 2);
    // *     returns 6: '67.31'
    // *     example 7: number_format(1000.55, 1);
    // *     returns 7: '1,000.6'
    // *     example 8: number_format(67000, 5, ',', '.');
    // *     returns 8: '67.000,00000'
    // *     example 9: number_format(0.9, 0);
    // *     returns 9: '1'
    // *    example 10: number_format('1.20', 2);
    // *    returns 10: '1.20'
    // *    example 11: number_format('1.20', 4);
    // *    returns 11: '1.2000'
    // *    example 12: number_format('1.2000', 3);
    // *    returns 12: '1.200'
    var n = !isFinite(+number) ? 0 : +number, 
        prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
        sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
        dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
        s = '',
        toFixedFix = function (n, prec) {
            var k = Math.pow(10, prec);
            return '' + Math.round(n * k) / k;
        };
    // Fix for IE parseFloat(0.55).toFixed(0) = 0;
    s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
    if (s[0].length > 3) {
        s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
    }
    if ((s[1] || '').length < prec) {
        s[1] = s[1] || '';
        s[1] += new Array(prec - s[1].length + 1).join('0');
    }
    return s.join(dec);
}