var i, j;
var flag; // 
var clients_show = 6; // 
var client_width = 90;
var client_height = 67;

var rand = new Array(clients_show);

for (i=0; i<clients_show; i++) {
    do {
        flag=0;
        n = Math.floor(Math.random()*(clients.length/3));
        for (j=0; j<i; j++) {
            if (n == rand[j]) {
                flag=1;
            }
        }
    } while (flag);
    rand[i] = n;
}

function Show_Client(number) {
   n=rand[number-1];
   document.write('<a href="' + clients[n*3+2] + '"><img src="clients/' + clients[n*3] + '" border=0 width=' + client_width + ' height=' + client_height + ' alt="' + clients[n*3+1] + '"></a>');
}