function preloader() 

{


     // counter
     var i = 0;


     // create object
     imageObj = new Image();


     // set image list
     images = new Array();

images[0]="1-down.gif"
images[1]="1-up.gif"
images[2]="11-down.gif"
images[3]="11-up.gif"
images[4]="12-down.gif"
images[5]="12-up.gif"
images[6]="13-down.gif"
images[7]="13-up.gif"
images[8]="14-down.gif"
images[9]="14-up.gif"
images[10]="15-down.gif"
images[11]="15-up.gif"
images[12]="16-down.gif"
images[12]="16-up.gif"
images[13]="2-down.gif"
images[14]="2-up.gif"
images[15]="3-down.gif"
images[16]="3-up.gif"
images[17]="4-down.gif"
images[18]="4-up.gif"
images[19]="5-down.gif"
images[20]="5-up.gif"
images[21]="6-down.gif"
images[22]="6-up.gif"
images[23]="7-down.gif"
images[24]="7-up.gif"
images[25]="8-down.gif"
images[26]="8-up.gif"
images[27]="9-down.gif"
images[28]="9-up.gif"


     // start preloading
     for(i=0; i<=3; i++) 
     {
          imageObj.src=images[i];
     }



}