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;}