preloadServ = [
"img/s1a.gif","img/s2a.gif","img/s3a.gif","img/s4a.gif","img/s5a.gif","img/s6a.gif","img/s7a.gif"
];

function preloadImagesServ(){
 var tmpArray = new Array();

 for (var i=0; i< preloadServ.length; i++){
   tmpArray[i] = new Image();
   tmpArray[i].src = preloadServ[i];
 };

};