function over_on(n) 
 {
 var d=document, x;
 x=d[n];
 if (!(x) && d.all) x=d.all[n];
 if(!d.wb_pre) d.wb_pre=new Array();
 if (x)
    {
        if(d.wb_pre[n]) 
             { document.wb_image=x;
               document.wb_normal=x.src;
               x.src=d.wb_pre[n].src;
             }
     }
 }

function over_off() 
   {
 var x=document.wb_image;
 if (document.wb_normal) x.src=document.wb_normal;
   }

function preload(nm, image) 
  {var d=document;
        if (!d.wb_pre) 
             d.wb_pre=new Array();
             d.wb_pre[nm]=new Image;
             d.wb_pre[nm].src=image;
  }

function preload_images() {
preload("mn01", "images/verx7_09.jpg");
preload("mn02", "images/verx7_10.jpg");
preload("mn03", "images/verx7_11.jpg");
preload("mn04", "images/verx7_12.jpg");
preload("mn05", "images/verx7_13.jpg");
}