var slider2=function(){
		var array=[];
		var speed=10;
		var timer=10;
		return{
			init:function(t,c){
				var s,ds,l,i;
				s=document.getElementById(t); ds=s.getElementsByTagName('div'); l=ds.length; i=0;
				for(i=0;i<l;i++){
					var d,did; d=ds[i]; did=d.id;
					if(did.indexOf("titulo")!=-1){
						d.onclick=new Function("slider2.process(this)");
					}else if(did.indexOf("imagenes")!=-1){
						array.push(did.replace('-imagenes',''));
						d.maxh=d.offsetHeight;
						if(c==1&&i==1){
							d.style.display='block';
							
						}else{
							d.style.height='0px';
							d.style.display='none';
						}
					} 
				}
			},
			process:function(d){
				var cl,i; cl=array.length; i=0;
				for(i;i<cl;i++){
					var s,h,c,cd,cb;
					s=array[i]; h=document.getElementById(s+'-titulo');
					c=s+'-imagenes'; cd=document.getElementById(c);
					clearInterval(cd.timer);
					cb=document.getElementById(s+"-titulo");
					if(h==d&&cd.style.display=='none'){
						cd.style.display='block';						
						cb.style.backgroundImage="url(img/service_images_less.jpg)";
						this.islide(c,1);
					}else if(cd.style.display=='block'){this.islide(c,-1);cb.style.backgroundImage="url(img/service_images_plus.jpg)";}
				}
			},
			islide:function(i,d){
				var c,m; c=document.getElementById(i); m=c.maxh; c.direction=d;
				c.timer=setInterval("slider2.slide('"+i +"')",timer);
			},
			slide:function(i){
				var c,m,h,dist; c=document.getElementById(i); m=c.maxh; h=c.offsetHeight;
				dist=(c.direction==1)?Math.round((m-h)/speed):Math.round(h/speed);
				if(dist<=1){dist=1}
				c.style.height=h+(dist*c.direction)+'px';
				c.style.opacity=h/c.maxh;
				c.style.filter='alpha(opacity='+(h*100/c.maxh)+')';
				if(h<2&&c.direction!=1){
					c.style.display='none';
					clearInterval(c.timer);
				}else if(h>(m-2)&&c.direction==1){clearInterval(c.timer)}
			}
		};
	}();