function htmlspecialchars(text){if(typeof(text)=='undefined'||!text.toString){return'';}
return text.toString().replace(/&/g,'&amp;').replace(/"/g,'&quot;').replace(/'/g,'&#039;').replace(/</g,'&lt;').replace(/>/g,'&gt;');}
function escape_js_quotes(text){if(typeof(text)=='undefined'||!text.toString){return'';}
return text.toString().replace(/\\/g,'\\\\').replace(/\n/g,'\\n').replace(/\r/g,'\\r').replace(/"/g,'\\x22').replace(/'/g,'\\\'').replace(/</g,'\\x3c').replace(/>/g,'\\x3e').replace(/&/g,'\\x26');}
function trim(text){if(typeof(text)=='undefined'||!text.toString){return'';}
return text.toString().replace(/^\s*|\s*$/g,'');}
function nl2br(text){if(typeof(text)=='undefined'||!text.toString){return'';}
return text.toString().replace(/\n/g,'<br />');}
function sprintf(){if(arguments.length==0){Util.warn('sprintf() was called with no arguments; it should be called with at '+'least one argument.');return'';}
var args=['This is an argument vector.'];for(var ii=arguments.length-1;ii>0;ii--){if(typeof(arguments[ii])=="undefined"){Util.log('You passed an undefined argument (argument '+ii+' to sprintf(). '+'Pattern was: `'+(arguments[0])+'\'.','error');args.push('');}else if(arguments[ii]===null){args.push('');}else if(arguments[ii]===true){args.push('true');}else if(arguments[ii]===false){args.push('false');}else{if(!arguments[ii].toString){Util.log('Argument '+(ii+1)+' to sprintf() does not have a toString() '+'method. The pattern was: `'+(arguments[0])+'\'.','error');return'';}
args.push(arguments[ii]);}}
var pattern=arguments[0];pattern=pattern.toString().split('%');var patlen=pattern.length;var result=pattern[0];for(var ii=1;ii<patlen;ii++){if(args.length==0){Util.log('Not enough arguments were provide to sprintf(). The pattern was: '+'`'+(arguments[0])+'\'.','error');return'';}
if(!pattern[ii].length){result+="%";continue;}
switch(pattern[ii].substr(0,1)){case's':result+=htmlspecialchars(args.pop().toString());break;case'h':result+=args.pop().toString();break;case'd':result+=parseInt(args.pop());break;case'f':result+=parseFloat(args.pop());break;case'q':result+="`"+htmlspecialchars(args.pop().toString())+"'";break;case'e':result+="'"+escape_js_quotes(args.pop().toString())+"'";break;case'x':x=args.pop();result+=x.toString()+' [at line '+x.line+' in '+x.sourceURL+']';break;default:result+="%"+pattern[ii].substring(0,1);break;}
result+=pattern[ii].substring(1);}
if(args.length>1){Util.log('Too many arguments ('+(args.length-1)+' extras) were passed to '+'sprintf(). Pattern was: `'+(arguments[0])+'\'.','error');}
return result;}