function getAge(t,unit){var oneDay=60*1000*60*24;var oneHour=60*1000*60;var today=new Date();var diff=today.getTime()-t;if(unit=="hour"){diff=Math.floor(diff/oneHour);}else{diff=Math.floor(diff/oneDay);}return diff;}function showTooltip(txt,type){var tooltip,b,s,l;var img;img = CreateEl("img","top",false);img.src="http://images.x2line.com/smilies/s18-"+type+".gif";if(txt.length==0){var ind=Math.floor((10-0)*Math.random())+1;txt=words[ind-1].w;}tooltip=CreateEl("span","tooltip",true);s=CreateEl("span","top",true);s.appendChild(document.createTextNode(txt));s.appendChild(img);tooltip.appendChild(s);b=CreateEl("b","bottom",true);l="";b.appendChild(document.createTextNode(l));tooltip.appendChild(b);$e_("btc").appendChild(tooltip);}function hideTooltip(){var d=$e_("btc");if(d.childNodes.length>0){d.removeChild(d.firstChild);}}function CreateEl(t,c,toBlock){var x=document.createElement(t);x.className=c;if (toBlock){x.style.display="block";}return(x);}function custLog(x,base){return (Math.log(x))/(Math.log(base));}function $e_(id){return document.getElementById(id);}function displayFeedbackMessage(mess){var rslt=$e_("rslt");rslt.style.backgroundColor="#ffff99";rslt.style.border="#ee0000 1px solid";rslt.innerHTML=mess;}