samp1 = new Image();
samp1.src = "images/_1.jpg";
samp2 = new Image();
samp2.src = "images/_2.jpg";
samp3 = new Image();
samp3.src = "images/_4.jpg";
samp4 = new Image();
samp4.src = "images/_3.jpg";
samp5 = new Image();
samp5.src = "images/_5.jpg";
samp6 = new Image();
samp6.src = "images/_6.jpg";

samp7 = new Image();
samp7.src = "images/_7.jpg";
samp8 = new Image();
samp8.src = "images/_8.jpg";
samp9 = new Image();
samp9.src = "images/_9.jpg";
samp10 = new Image();
samp10.src = "images/_10.jpg";
samp11 = new Image();
samp11.src = "images/_11.jpg";
samp12 = new Image();
samp12.src = "images/_12.jpg";



var s =  0 ;


images_array =  new Array ("samp1", "samp2", "samp3", "samp4", "samp5", "samp6", "samp7", "samp8", "samp9", "samp10", "samp11", "samp12");



function images_display (s)
{

if (s > images_array.length ) {

s = 0;
}

if (s <= images_array.length){
document.images['bigim'].src = eval(images_array[s] + ".src");
}


doit();

}


function doit () {
s = s + 1;
if (s >= images_array.length ) {
s = 0;
}
setTimeout ("images_display(s)", 4500);
}