var isNav4 = false;
var isIE = false;
var isAdv = false;
var isOpe = false;
if (document.layers) {isNav4 = true}
else if ((document.getElementById)&&(navigator.appName.indexOf("Explorer") < 0)){isAdv = true}
else {isIE = true}
if (navigator.userAgent.indexOf("Opera")!=-1){isOpe = true}
var leg = new Array();

leg[1]="Distene";
leg[2]="Distene";
leg[3]="Distene";
leg[4]="Distene";
leg[5]="Distene";
leg[6]="Distene";
leg[7]="Distene";

var x;
var delai;

function fade(X) {
x = X;
if (isIE) {
len_all=document.links.length;
for (i=0; i<len_all; i++) {
id=document.links[i].name;
if (id.indexOf('large')==0) {document.links[i].href = 'javascript:enlarge('+X+');';
document.links[i].title = leg[X];}
}}
else {
document.links ['large'].href = 'javascript:enlarge('+X+');';
document.links ['large2'].href = 'javascript:enlarge('+X+');';
document.links ['large'].title = leg[X];
document.links ['large2'].title = leg[X];}
if (isIE){
//attn.filters.blendTrans.apply();
document.attn.src="images/optim"+x+"s.gif";
//attn.filters.blendTrans.play();
}
else{document.attn.src="images/optim"+x+"s.gif";}
if (x == 7) {x = 0;}
x++;
delai = setTimeout('fade('+x+')',10000);

}


function next() {
clearTimeout(delai);
y =x;
fade(y);
}


function enlarge(img) {
var larger=window.open("images/optim"+img+".gif","larger","resizable=1,toolbar=0,location=0,directories=0,menubar=0,status=0,scrollbars=1,copyhistory=0,top=20,left=70,width=650,height=650");
larger.focus();
}