/* Sonar v2 */
sonar={v:2,d:0,ae:function(a,b,c){if(a.addEventListener){a.addEventListener(b,c,false)}else{if(a.attachEvent){a.attachEvent("on"+b,c)}}},re:function(a,b,c){if(a.removeEventListener){a.removeEventListener(b,c,false)}else{if(a.detachEvent){a.detachEvent("on"+b,c)}}},b:"",detect:function(c,a){if(sonar.b==""){sonar.b=document.getElementsByTagName("body")[0]}var g=document,h=window,i=c,k=0,j=sonar.b.offsetHeight,e=h.innerHeight||g.documentElement.clientHeight||g.body.clientHeight||0,f=g.documentElement.scrollTop||h.pageYOffset||g.body.scrollTop||0,b=c.offsetHeight||0;a=a||sonar.d;if(!c.__top||c.__bh!=j){if(i.offsetParent){do{k+=i.offsetTop}while(i=i.offsetParent)}c.__top=k;c.__bh=j}if((c.__top+b)<(f-a)||(c.__top)>(f+e+a)){return false}return true},c:[],add:function(a){if(typeof a.obj=="object"&&typeof a.call=="function"){if(sonar.detect(a.obj,(a.px||sonar.d))){a.call(a.obj);return}else{if(!window.__sonarBlip){sonar.ae(window,"scroll",sonar._poll);window.__sonarBlip=1}sonar.c.push(a)}}},_poll:function(){var d,c=sonar.c,b,a=c.length,e;for(b=0;b<a;b++){d=c[b];if(!d){continue}e=d.px||sonar.d;if(sonar.detect(d.obj,e)){d.call(d.obj);sonar.c.splice(b,1);if(sonar.c.length==0){sonar.re(window,"scroll",sonar._poll);window.__sonarBlip=0}}}}};
/* Sonar Ion v2 */
sonar.ion=function(f){var e=0,a=document.getElementsByTagName("img"),d="http://o.aolcdn.com/js/x.gif",c,b=a.length;f=f||e;for(c=0;c<b;c++){if(sonar.detect(a[c],f)){continue}a[c].__src=a[c].src;a[c].src=d;sonar.add({obj:a[c],px:f,call:function(g){g.src=g.__src;g.__src=undefined}})}};