function getElementsByClass(t,n){var f=0;var e=new Array();var a=t.getElementsByTagName("*");if(a){for(i=0;i<a.length;++i){if(a[i].className.indexOf(n)>-1){e[f++]=a[i];}}}return e;}function addEvent(o,e,f){if(o.addEventListener){o.addEventListener(e,f,true);return true;}else if(o.attachEvent){var r=o.attachEvent('on'+e,f);return r;}else{return false;}}