function dock(id){
	this.speed = 10;
	this.pace = 10;
	this.min = 40;
	this.max = 80;
	var img, sizes = [];
	if(typeof(id) != 'string'){
		id = 'dock';
	}	
	this.init = function(){
		var self = this;
		this.dock = $(id);
		sizes.def = Math.floor((this.max-this.min)/3);
		for(i=0; i<4; i++){
			sizes[i] = 1*this.min + i*sizes.def;
		}
		//Get the images
		img = this.dock.getElementsByTagName('img');
		//Set the width
		this.dock.style.height = sizes[3]+"px";
		//Set the height
		this.dock.style.width = (sizes[0]*(img.length-1))+"px";
	
		for (i=0; i<img.length; i++) {
			img[i].now = { left : 0, top : 0, size : sizes[0] };
			img[i].target = { left : 0, top : 0, size : sizes[0] };
			
			//Mouseover Event
			img[i].onmouseover = function(e) {
				e = window.event ? event : e;
				e = e.srcElement ? e.srcElement : e.target;
				for(i=0; i<img.length; i++){
					if(e==img[i]){
						self.process(i);
						break;
					}
				}
				
				tmpxy = findelpos(self.dock);
				tmpid = self.dock.id+'_titler';
				try{
					$(tmpid).innerHTML = getAttributeByName(e, 'tooltip');
					$(tmpid).style.top = (tmpxy[1] + self.max)+'px';
					tmpxy = findelpos(e);
					tx = tmpxy[0];
					tx = tx - ($(tmpid).offsetWidth/2);
					if((screen.width - 40) < (tx + $(tmpid).offsetWidth)){
						tx = (screen.width - 40) - $(tmpid).offsetWidth - 10;
					}
					$(tmpid).style.left = tx+'px';
					showel(tmpid);
				}catch(ee){ }
			};
			
			//Mouseout Event
			img[i].onmouseout = function(){
				self.process(-1);
				try{ hideel(self.dock.id+'_titler'); }catch(ee){ }
			};
		}
		
		//Process
		this.process(-1);
		var process = function(){
			self.dockify();
		};
		setTimeout(process, this.speed);
	};
	
	this.dockify = function(){
		var self = this;
		for (i=0; i<img.length; i++){
			img[i].now.left = ((this.pace-1)*img[i].now.left+img[i].target.left)/this.pace;
			img[i].style.left = Math.floor(img[i].now.left)+'px';
	
			img[i].now.top = ((this.pace-1)*img[i].now.top+img[i].target.top)/this.pace;
			img[i].style.top = Math.floor(img[i].now.top)+'px';
	
			img[i].now.size = ((this.pace-1)*img[i].now.size+img[i].target.size)/this.pace;
			img[i].style.width = Math.floor(img[i].now.size)+'px';
			img[i].style.height = Math.floor(img[i].now.size)+'px';
		}	
		var process = function(){
			self.dockify();
		};
		setTimeout(process ,this.speed);
	};
	
	this.process = function(m){
		for(i=0; i<img.length; i++){
			img[i].target.size = sizes[0];
			for(j=0; j<sizes.length-1; j++){
				if(m>-1 && m<img.length && Math.abs(m-i)==j){
					img[i].target.size = sizes[sizes.length-1-j];
				}
			}
			img[i].target.top = sizes[3] - img[i].target.size;
		}
		var n = m > 2 ? 2 : m;
		if(n > -1){
			img[0].target.left = -(1/2)*(sizes[0]+ sizes.def *(n*(4-(1/2)*n)+3));
		}else{
			img[0].target.left = 0;
		}
		
		for(i=1; i<img.length; i++){
			img[i].target.left = img[i-1].target.left + img[i-1].target.size;
		}
	};	
};