function newImage( imgSrc ){
 
 var imgName = new Image();
 imgName.src = imgSrc;
 
 return imgName;

}

function change( imgName, imgSrc )
{
 if ( document.images && (preloadFlag == true) )
 {
   document[imgName].src = imgSrc ;
 }
}

var preloadFlag = false;
function loadImages()
{
 if (document.images)
 {
  //********* You will need to edit this area with the names of the rollover state images.
  //********* For example: imageName_select = newImage( "images/imageName_over.gif")
  
  
  
  vertical_select = newImage( "images/verticalbutton_over.gif" );
  horizontal_select = newImage( "images/horizontalbutton_over.gif" );
  
  
  preloadFlag = true;
 }
}