// JavaScript Document
var pic_width=124;
var pic_height=112;

/* define image urls */

if (document.images)
 {
     pic1= new Image(pic_width,pic_height);
     pic1.src="/media/swapimage/swap1.jpg";  
     pic2= new Image(pic_width,pic_height); 
     pic2.src="/media/swapimage/swap2.jpg"; 
     pic3= new Image(pic_width,pic_height);
     pic3.src="/media/swapimage/swap3.jpg";  
     pic4= new Image(pic_width,pic_height);
     pic4.src="/media/swapimage/swap4.jpg";  
     pic5= new Image(pic_width,pic_height);
     pic5.src="/media/swapimage/swap5.jpg"; 
 }    

/* define text for image captions  */

var destext= new Array(5)
    destext[0]="My Dear Grandma";
    destext[1]="Il Gattopardo";
    destext[2]="Spooktijd met Laban";
    destext[3]="Sunrise";
    destext[4]="Empire";
 
var pics= new Array(5) 
   pics[0]=pic1.src;
   pics[1]=pic2.src;
   pics[2]=pic3.src;
   pics[3]=pic4.src;
   pics[4]=pic5.src; 

var numpics=5;
var thenum=-1;
imgName="img1";

function change_it() {
    var x=0;
    thenum+=1;

    if (thenum>numpics-1)
        thenum=0;
        
    if (document.getElementById(imgName) != null) {
        document[imgName].src=pics[thenum];
        span1.innerText=destext[thenum];
        x+=1;
        setTimeout('change_it()',4000);
    }        
}