<script language="JavaScript">

function preloader() 
{
     // counter     
var i = 0;
     // create object     
imageObj = new Image();
     // set image list     
images = new Array();     
images[0]="images/hotelstaff_button_jobs.jpg"     
images[1]="images/hotelstaff_button_what.jpg"     
images[2]="images/hotelstaff_button_where.jpg"     
images[3]="images/hotelstaff_button_who.jpg"
     // start preloading     
for(i=0; i<=3; i++)      
{          
imageObj.src=images[i];     
}

} 
</script>