var SliderTpl = '<div id="{name}_minmax_min" class="floatl fontblue"></div>' +
                '<div id="{name}_minmax_max" class="floatr fontblue"></div>' +
                '<br style="clear:all" />' +
		'<div class="slider_gutter" id="minmax_{name}" >' +
		  '<div id="{name}_minmax_gutter_l" class="slider_gutter_l slider_gutter_item iconsprite_controls"></div>' +
		  '<div id="{name}_minmax_gutter_m" class="slider_gutter_m slider_gutter_item gutter iconsprite_controls">' +
		    ssp('<img id="{name}_bkg_img" class="slider_bkg_img" src="{ssp}img/slider/old_bkg_slider.gif"/>') +
		    '<div id="{name}_minmax_minKnobA" class="knob"></div>' +
                    '<div id="{name}_minmax_maxKnobA" class="knob"></div>' +
		  '</div>' +
                  '<div id="{name}_minmax_gutter_r" class="slider_gutter_r slider_gutter_item iconsprite_controls"></div>' +
                '</div>';
if (IE6) SliderTpl +="<style type='text/css'>#minmax_{name} .slider_gutter_item{left: 215px} #minmax_{name} .slider_minmax_gutter_l, .slider_gutter_l{margin-left: -215px;}</style>";

var Slider = new Class({	
	options: {
		onChange: Class.empty,
		onComplete: Class.empty,
		onTick: function(pos){
			this.moveKnob.setStyle(this.p, pos);			
		},
		start: 0,
		end: 100,
		offset: 0,
		knobheight: 20,
		knobwidth: 14,
		mode: 'horizontal',
		clip_w:0, 
		clip_l:0,
		isinit:true,
		snap: false,
		range: false,
		numsteps:null
	},
    initialize: function(el, knob,bkg, options, maxknob) {
		this.setOptions(options);
		this.element = $(el);
		this.knob = $(knob);
		this.previousChange = this.previousEnd = this.step = -1;
		this.bkg = $(bkg);
		if(this.options.steps==null){
			this.options.steps = this.options.end - this.options.start;
		}
		if(maxknob!=null)
			this.maxknob = $(maxknob);
		//else
		//	this.element.addEvent('mousedown', this.clickedElement.bindWithEvent(this));
		var mod, offset;
		switch(this.options.mode){
			case 'horizontal':
				this.z = 'x';
				this.p = 'left';
				mod = {'x': 'left', 'y': false};
				offset = 'offsetWidth';
				break;
			case 'vertical':
				this.z = 'y';
				this.p = 'top';
				mod = {'x': false, 'y': 'top'};
				offset = 'offsetHeight';
		}
		this.max = this.element[offset] - this.knob[offset] + (this.options.offset * 2);
		this.half = this.knob[offset]/2;
		this.full = this.element[offset] - this.knob[offset] + (this.options.offset * 2);
		this.min = $chk(this.options.range[0]) ? this.options.range[0] : 0;
		this.getPos = this.element['get' + this.p.capitalize()].bind(this.element);
		this.knob.setStyle('position', 'relative').setStyle(this.p, - this.options.offset);

		this.range = this.max - this.min;
		this.steps = this.options.steps || this.full;
		this.stepSize = Math.abs(this.range) / this.steps;
		this.stepWidth = this.stepSize * this.full / Math.abs(this.range) ;
		

		if(maxknob != null) {
			this.maxPreviousChange = -1;
			this.maxPreviousEnd = -1;
			this.maxstep = this.options.end;
			this.maxknob.setStyle('position', 'relative').setStyle(this.p, + this.max - this.options.offset).setStyle('bottom', this.options.knobheight);
		}
		var lim = {};
		//status = this.z
		lim[this.z] = [- this.options.offset, this.max - this.options.offset];
		//lim[this.z] = [100, this.max - this.options.offset];

		this.drag = new Drag(this.knob, {
			limit: lim,
			modifiers: mod,
			snap: 0,
			onStart: function(){
					this.draggedKnob();
			}.bind(this),
			onDrag: function(){
					this.draggedKnob();
			}.bind(this),
			onComplete: function(){
					this.draggedKnob();
					this.end();
			}.bind(this)
		});
		if(maxknob != null) {  
			this.maxdrag = new Drag(this.maxknob, {
				limit: lim,
				modifiers: mod,
				snap: 0, 
				onStart: function(){
					this.draggedKnob(1);
				}.bind(this),
				onDrag: function(){
					this.draggedKnob(1);
				}.bind(this),
				onComplete: function(){
					this.draggedKnob(1);
					this.end();
				}.bind(this)
			});		
		}

		if (this.options.snap) {
			//this.drag.options.grid = Math.ceil(this.stepWidth);
			this.drag.options.grid = (this.full)/this.options.numsteps ;
			this.drag.options.limit[this.z][1] = this.full;
			//this.drag.options.grid = this.drag.options.grid - (this.knob[offset]/this.options.numsteps);
			status = "GRID - " + this.drag.options.grid  + "  , full = " + this.full// DEBUG

		}
		if (this.options.initialize) this.options.initialize.call(this);
    },
	setMin: function(stepMin){
		this.step = stepMin.limit(this.options.start, this.options.end);
		this.checkStep();
		this.end();
		this.moveKnob = this.knob;
		this.bkg.style.clip = "rect(0px "+  (parseInt(this.toPosition(this.step)) +3) + "px 10px 0px)";
		status =this.bkg.style.clip + "  vl= " + parseInt(this.toPosition(this.step)) ; //Debug
		this.fireEvent('onTick', this.toPosition(this.step));
		return this;
	},
	setMax: function(stepMax){
		this.maxstep = stepMax.limit(this.options.start, this.options.end);
		this.checkStep(1);
		this.end();
		this.moveKnob = this.maxknob;
		var w= Math.abs(this.toPosition(this.step)- this.toPosition(this.maxstep)) + 3 ;
		var r = parseInt(this.clip_l + w); 
		this.bkg.style.clip = "rect(0px "+  r + "px 10px "+ this.clip_l + "px)";

		this.fireEvent('onTick', this.toPosition(this.maxstep));
		// For Init Only 
		if(this.options.isinit){
			var lim = {}; var mi,mx;
			mi = - this.options.offset; 
			mx= parseInt(this.maxknob.getStyle('left')) - this.options.offset-4 ;
			lim[this.z] = [mi, mx];
			this.drag.options.limit = lim;
			this.options.isinit = false;
		}
		return this; 
	},
	clickedElement: function(event){
		var position = event.page[this.z] - this.getPos() - this.half;
		position = position.limit(-this.options.offset, this.max -this.options.offset);

		this.step = this.toStep(position);

		//this.moveKnob = this.knob;
		this.bkg.style.clip = "rect(0px "+  (parseInt(this.toPosition(this.step)) +3) + "px 10px 0px)"  
		//status =this.bkg.style.clip; //Debug
		this.checkStep();
		this.end();
		this.fireEvent('onTick', position);
	},

	draggedKnob: function(mx){
		var lim = {}; var mi,mx;
		if(mx==null) {
			this.step = this.toStep(this.drag.value.now[this.z]);	 
			this.checkStep();
		}else {
			this.maxstep = this.toStep(this.maxdrag.value.now[this.z]); 
			this.checkStep(1);
		}
	},
	checkStep: function(mx){
		var lim = {}; var mi,mx;
		var limm = {};
		if(mx==null) {if (this.previousChange != this.step){this.previousChange = this.step;}}
		else {if (this.maxPreviousChange != this.maxstep){this.maxPreviousChange = this.maxstep;}}

		if(this.maxknob!=null) {

			mi = - this.options.offset; 
			mx= parseInt(this.maxknob.getStyle('left')) - this.options.offset-4 ;
			//mx= parseInt(this.maxknob.getStyle('left')) - this.options.offset ;
			lim[this.z] = [mi, mx];
			this.drag.options.limit = lim;
		

			mi = parseInt(this.knob.getStyle('left'))-this.options.offset+22; 
			//mi = parseInt(this.knob.getStyle('left'))-this.options.offset; 
			
			mx= this.max - this.options.offset;
			limm[this.z] = [mi, mx];
			this.maxdrag.options.limit = limm; 

			if(this.step < this.maxstep){
				this.fireEvent('onChange', { minpos: this.step, maxpos: this.maxstep });
				//this.clip_l = parseInt(this.knob.getStyle('left'));
			}
			else{
				this.fireEvent('onChange', { minpos: this.maxstep, maxpos: this.step });
				//this.clip_l = (parseInt(this.maxknob.getStyle('left')) + 10) ;
			}	
			this.clip_l = parseInt(this.knob.getStyle('left')) + 10;
			//var w = Math.abs(parseInt(this.knob.getStyle('left')) - parseInt(this.maxknob.getStyle('left'))) + 3;	
			var w = Math.abs(parseInt(this.knob.getStyle('left')) - parseInt(this.maxknob.getStyle('left')));
			//if(w > 3) w = w+3;
			
			var r = parseInt(this.clip_l + w); 
			this.bkg.style.clip = "rect(0px "+  r + "px 10px "+ this.clip_l + "px)"  
			//status =this.bkg.style.clip  + " w= " + w //Debug

		}else {  
			this.fireEvent('onChange', this.step);
			this.bkg.style.clip = "rect(0px "+  (parseInt(this.drag.value.now[this.z]) +3)  + "px 10px 0px)"  

		}
	},
	end: function(){
		if (this.previousEnd !== this.step || (this.maxknob != null && this.maxPreviousEnd != this.maxstep)) {
			this.previousEnd = this.step;
			if(this.maxknob != null) {
				this.maxPreviousEnd = this.maxstep;
				if(this.step < this.maxstep)
					this.fireEvent('onComplete', { minpos: this.step + '', maxpos: this.maxstep + '' });
				else    
					this.fireEvent('onComplete', { minpos: this.maxstep + '', maxpos: this.step + '' });
			}else{  
				this.fireEvent('onComplete', this.step + '');
			}
		}
	},
	
	toStep: function(position){
		return Math.round((position + this.options.offset) / this.max * this.options.steps) + this.options.start;
	},

	toPosition: function(step){
		return (this.max * step / this.options.steps) - (this.max * this.options.start / this.options.steps) - this.options.offset;
	}

});

Slider.implement(new Events);
Slider.implement(new Options);

/*
Script: Drag.js
	The base Drag Class. Can be used to drag and resize Elements using mouse events.

License:
	MIT-style license.
*/

var Drag = new Class({
	Implements: [Events, Options],
	options: {/*
		onBeforeStart: $empty,
		onStart: $empty,
		onDrag: $empty,
		onCancel: $empty,
		onComplete: $empty,*/
		snap: 6,
		unit: 'px',
		grid: false,
		style: true,
		limit: false,
		handle: false,
		invert: false,
		preventDefault: false,
		modifiers: {x: 'left', y: 'top'}
	},
	initialize: function(){
		var params = Array.link(arguments, {'options': Object.type, 'element': $defined});
		this.element = $(params.element);
		this.document = this.element.getDocument();
		this.setOptions(params.options || {});
		var htype = $type(this.options.handle);
		this.handles = (htype == 'array' || htype == 'collection') ? $$(this.options.handle) : $(this.options.handle) || this.element;
		this.mouse = {'now': {}, 'pos': {}};
		this.value = {'start': {}, 'now': {}};
		
		this.selection = (Browser.Engine.trident) ? 'selectstart' : 'mousedown';
		
		this.bound = {
			start: this.start.bind(this),
			check: this.check.bind(this),
			drag: this.drag.bind(this),
			stop: this.stop.bind(this),
			cancel: this.cancel.bind(this),
			eventStop: $lambda(false)
		};
		this.attach();
	},
	attach: function(){
		this.handles.addEvent('mousedown', this.bound.start);
		return this;
	},
	detach: function(){
		this.handles.removeEvent('mousedown', this.bound.start);
		return this;
	},
	start: function(event){
		if (this.options.preventDefault) event.preventDefault();
		this.fireEvent('beforeStart', this.element);
		this.mouse.start = event.page;
		var limit = this.options.limit;
		this.limit = {'x': [], 'y': []};
		for (var z in this.options.modifiers){
			if (!this.options.modifiers[z]) continue;
			if (this.options.style) this.value.now[z] = this.element.getStyle(this.options.modifiers[z]).toInt();
			else this.value.now[z] = this.element[this.options.modifiers[z]];
			if (this.options.invert) this.value.now[z] *= -1;
			this.mouse.pos[z] = event.page[z] - this.value.now[z];
			if (limit && limit[z]){
				for (var i = 2; i--; i){
					if ($chk(limit[z][i])) this.limit[z][i] = $lambda(limit[z][i])();
				}
			}
		}
		if ($type(this.options.grid) == 'number') this.options.grid = {'x': this.options.grid, 'y': this.options.grid};
		this.document.addEvents({mousemove: this.bound.check, mouseup: this.bound.cancel});
		this.document.addEvent(this.selection, this.bound.eventStop);
	},
	check: function(event){
		if (this.options.preventDefault) event.preventDefault();
		var distance = Math.round(Math.sqrt(Math.pow(event.page.x - this.mouse.start.x, 2) + Math.pow(event.page.y - this.mouse.start.y, 2)));
		if (distance > this.options.snap){
			this.cancel();
			this.document.addEvents({
				mousemove: this.bound.drag,
				mouseup: this.bound.stop
			});
			this.fireEvent('start', this.element).fireEvent('snap', this.element);
		}
	},
	drag: function(event){
		if (this.options.preventDefault) event.preventDefault();
		this.mouse.now = event.page;
		for (var z in this.options.modifiers){
			if (!this.options.modifiers[z]) continue;
			this.value.now[z] = this.mouse.now[z] - this.mouse.pos[z];
			if (this.options.invert) this.value.now[z] *= -1;
			if (this.options.limit && this.limit[z]){
				if ($chk(this.limit[z][1]) && (this.value.now[z] > this.limit[z][1])){
					this.value.now[z] = this.limit[z][1];
				} else if ($chk(this.limit[z][0]) && (this.value.now[z] < this.limit[z][0])){
					this.value.now[z] = this.limit[z][0];
				}
			}
			if (this.options.grid[z]) this.value.now[z] -= (this.value.now[z] % this.options.grid[z]);
			if (this.options.style) this.element.setStyle(this.options.modifiers[z], this.value.now[z] + this.options.unit);
			else this.element[this.options.modifiers[z]] = this.value.now[z];
		}
		this.fireEvent('drag', this.element);
	},
	cancel: function(event){
		this.document.removeEvent('mousemove', this.bound.check);
		this.document.removeEvent('mouseup', this.bound.cancel);
		if (event){
			this.document.removeEvent(this.selection, this.bound.eventStop);
			this.fireEvent('cancel', this.element);
		}
	},
	stop: function(event){
		this.document.removeEvent(this.selection, this.bound.eventStop);
		this.document.removeEvent('mousemove', this.bound.drag);
		this.document.removeEvent('mouseup', this.bound.stop);
		if (event) this.fireEvent('complete', this.element);
	}
});

Element.implement({
	makeResizable: function(options){ return new Drag(this, $merge({modifiers: {'x': 'width', 'y': 'height'}}, options)); }
});

/* Script: Fx.Scroll.js */
Fx.Scroll = new Class({
	Extends: Fx,
	options: {
		offset: {'x': 0, 'y': 0},
		wheelStops: true
	},
	initialize: function(element, options){
		this.element = this.subject = $(element);
		this.parent(options);
		var cancel = this.cancel.bind(this, false);

		if ($type(this.element) != 'element') this.element = $(this.element.getDocument().body);

		var stopper = this.element;

		if (this.options.wheelStops){
			this.addEvent('start', function(){
				stopper.addEvent('mousewheel', cancel);
			}, true);
			this.addEvent('complete', function(){
				stopper.removeEvent('mousewheel', cancel);
			}, true);
		}
	},
	set: function(){
		var now = Array.flatten(arguments);
		this.element.scrollTo(now[0], now[1]);
	},
	compute: function(from, to, delta){
		var now = [];
		var x = 2;
		x.times(function(i){
			now.push(Fx.compute(from[i], to[i], delta));
		});
		return now;
	},
	start: function(x, y){
		if (!this.check(arguments.callee, x, y)) return this;
		var offsetSize = this.element.getSize(), scrollSize = this.element.getScrollSize();
		var scroll = this.element.getScroll(), values = {x: x, y: y};
		for (var z in values){
			var max = scrollSize[z] - offsetSize[z];
			if ($chk(values[z])) values[z] = ($type(values[z]) == 'number') ? values[z].limit(0, max) : max;
			else values[z] = scroll[z];
			values[z] += this.options.offset[z];
		}
		return this.parent([scroll.x, scroll.y], [values.x, values.y]);
	},
	toTop: function(){
		return this.start(false, 0);
	},
	toLeft: function(){
		return this.start(0, false);
	},
	toRight: function(){
		return this.start('right', false);
	},
	toBottom: function(){
		return this.start(false, 'bottom');
	},
	toElement: function(el){
		var position = $(el).getPosition(this.element);
		return this.start(position.x, position.y);
	}
});