function addBold(){var a=document.getElementById("comment"),b=a.value.length,d=a.selectionStart,c=a.selectionEnd,e="<strong>"+a.value.substring(d,c)+"</strong>";a.value=a.value.substring(0,d)+e+a.value.substring(c,b)}function addQuote(){var a=document.getElementById("comment"),b=a.value.length,d=a.selectionStart,c=a.selectionEnd,e="<blockquote>"+a.value.substring(d,c)+"</blockquote>";a.value=a.value.substring(0,d)+e+a.value.substring(c,b)} function addLink(){var a=prompt("Please enter an URL for the link","http://");if(a!=null&&a!=""){var b=document.getElementById("comment"),d=b.value.length,c=b.selectionStart,e=b.selectionEnd,f=b.value.substring(c,e);a='<a href="'+a+'">'+f+"</a>";b.value=b.value.substring(0,c)+a+b.value.substring(e,d)}};