var Imgi = new Array();                       
var Bledy = 0;                             
var preloadTimer;                         
var preloadOK = ''    
var preloadBlad = ''      
                                     
function preload(url) {                                               
   if (document.images) {                                             
      var i = Imgi.length;                                            
      Imgi[i] = new Image();                                          
      Imgi[i].onerror = preloadOnError;                               
      Imgi[i].src = url;                                              
   }                                                                  
}      
function preloadOnError() {                                           
   Bledy++;                                                           
}
function preloadStart(ok, blad) {                                     
   preloadOK = ok;                                                    
   preloadBlad = blad;                                                
   preloadCheck();                                                    
}                    
function preloadCheck() {                                             
   var i=0;                                                           
   var l=Imgi.length;                                                 
   var b = Bledy;                  
   while (i<l && Imgi[i].complete || b-->0) i++;                      
   if (i>=l)     
      if (Bledy==0)                                                   
         eval(preloadOK)                                              
      else                                                            
         eval(preloadBlad)                                            
   else                                   
      preloadTimer = setTimeout('preloadCheck()',100);                
}                                                                     

preload('../images/submenu/bg.png');
preload('../images/submenu/bottom.png');
preload('../images/submenu/dot.png');
preload('../images/submenu/top.png');