var nav=document.getElementById('nav');function s(o,a){for(e in a){o[a[e][0]]=a[e][1];}}if(nav){nav.mask=document.createElement('div');s(nav.mask.style,[['background','#678D9C url(\'components/nav_hidden.jpg\') bottom center no-repeat'],['textAlign','center'],['color','#fff'],['font','bold 18px/24px Helvetica,Arial,sans-serif'],['width','100%'],['height','100%']]);nav.mask.innerHTML='Navigation';nav.old_h='440px';nav.new_h='40px';nav.insertBefore(nav.mask,nav.firstChild);nav.style.display='block';nav.onmouseover=function(){s(this.style,[['overflow','visible'],['height',this.old_h]]);this.mask.style.display = 'none';};nav.onmouseout = function(){this.mask.style.display = 'block';s(this.style,[['overflow','hidden'], ['height',this.new_h]]);};}