function opacity(file, millisec) {
    var speed = Math.round(millisec / 30);	
    var timer = 0;
	var id="img_big2";	  
	   
	changeOpac(0,id);
	document.getElementById(id).style.background="black";

	
 	document.getElementById(id).src="aplication/webroot/imgs/mediano/"+file+".jpg";
	
	document.getElementById(id).parentNode.href="aplication/webroot/imgs/grande/"+file+".jpg";

	 for(i = 0; i <= 100; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
     }	
}
var k = 0;
var speed=0;
var timer = 0;
var id = "img_big2";

var t
var j = 0
//var p = images.length

function rotar(){	

			var preLoad = new Array()
			for (i = 0; i < images.length; i++){
			   preLoad[i] = new Image()
			   preLoad[i].src = "aplication/webroot/imgs/flota/"+images[i]
			}


		 if (document.all){
				  document.images.SlideShow.style.filter="blendTrans(duration = 2)"
				  document.images.SlideShow.style.filter="blendTrans(duration=2)"
				  document.images.SlideShow.filters.blendTrans.Apply()      
			   }
			  
			   document.images.SlideShow.src =preLoad[j].src
			  

			   if (document.all){
				  document.images.SlideShow.filters.blendTrans.Play()
			   }

				color();
			   document.getElementById("i"+j).style.border="1px solid #CC3300";
	
	 
	   j = j + 1
	   if (j > (images.length-1)) j=0

	 t = window.setTimeout('rotar()', 5000)
	 
}
function color(){
	for(t=0;t < images.length;t++){
		 document.getElementById("i"+t).style.border="1px solid #cccccc";
	}
}


//change the opacity for different browsers
function changeOpac(opacity, id) {
	
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "revealTrans(transition="+opacity+",duration=.1)";
	object.filter = "alpha(opacity=" + opacity + ")";
}