// < Utility functions > // global variables var isIE = navigator.userAgent.toLowerCase().indexOf("msie") != -1; var logWindow = null; // used by log and profiler functions var callstack = new Array(); // used by profiler functions var logging = false; // global toggle to indicate whether debug logging should be output var ELEMENT_NODE = 1; var TEXT_NODE = 3; var logger = new Object(); logger.enabled = logging; logger.log = function(msg) { if (logger.enabled) { if (!logWindow || logWindow.closed) { logWindow = window.open("about:blank", "logWindow", "left=500, top=300, width = 500, height=500, resizable=yes, scrollbars=yes"); logWindow.document.open(); logWindow.document.write(""); logWindow.document.close(); } if (logWindow && !logWindow.closed) { var date = new Date(); var prefix = "" + date.getMinutes() + ":" + date.getSeconds() + ">"; // + "." + date.getMilliseconds().toString() + ">"; for (var i=0; i < callstack.length; i++) { prefix = prefix + " "; } preElement = logWindow.document.createElement("pre"); logWindow.document.body.appendChild(preElement); msg = msg.replace("\n", "\n"+prefix); preElement.innerHTML = prefix + msg; preElement.scrollIntoView(); } else { alert(msg); } } } logger.info = function(msg) { this.log(msg); } logger.warning = function(msg) { this.log("WARNING: "+msg); } logger.error = function(msg) { this.log("ERROR: "+msg); //alert(msg); } logger.enterMethod = function (methodName) { this.info("->"+methodName); callstack.push(methodName); } logger.exitMethod = function () { var methodName = callstack.pop(); this.info("<-"+methodName); } // Returns the textual contents of the given element function getTextValue(element) { var result = ""; var node; for (node = element.firstChild; node != null; node = node.nextSibling) { if (node.nodeType == TEXT_NODE) { result += node.nodeValue; } else if (node.nodeType == ELEMENT_NODE) { result += getTextValue(node); } } return result; } function trim(str) { return str.replace(/^\s*|\s*$/g,""); } function parseXML(XML) { var result; if (isIE) { var xmlDoc = new ActiveXObject("Msxml2.DOMDocument.3.0"); xmlDoc.async = false; xmlDoc.loadXML(XML); if (xmlDoc.parseError.errorCode != 0) { error("Unable to parse XML: "+XML+"\nError=: "+xmlDoc.parseError); } else { log("parsed XML in IE: "+xmlDoc.xml); result = xmlDoc; } } else { var parser = new DOMParser(); var document = parser.parseFromString(XML, "text/xml"); if (document.documentElement.localName == "parsererror") { error("Unable to parse XML: "+XML); } else { result = document; } } return result; } function serializeNode(node) { if (isIE) { return ""+node; } else { var serializer = new XMLSerializer(); return serializer.serializeToString(node); } } function enterMethod(methodName) { logger.enterMethod(methodName); } function exitMethod() { logger.exitMethod(); } function log(msg) { logger.log(msg); } function error(msg) { logger.error(msg); } function warning(msg) { logger.warning(msg); } // ------------------------------------------------------------------ // formatDate (date_object, format) // Returns a date in the output format specified. // The format string uses the same abbreviations as the // java.text.SimpleDateFormat class. // This function is copied from // http://www.mattkruse.com/javascript/date/source.html // ------------------------------------------------------------------ var MONTH_NAMES=new Array('January','February','March','April','May','June','July','August','September','October','November','December','Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'); var DAY_NAMES=new Array('Sunday','Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sun','Mon','Tue','Wed','Thu','Fri','Sat'); function LZ(x) {return(x<0||x>9?"":"0")+x} function formatDate(date,format) { format=format+""; var result=""; var i_format=0; var c=""; var token=""; var y=date.getYear()+""; var M=date.getMonth()+1; var d=date.getDate(); var E=date.getDay(); var H=date.getHours(); var m=date.getMinutes(); var s=date.getSeconds(); var yyyy,yy,MMM,MM,dd,hh,h,mm,ss,ampm,HH,KK,K,kk,k; // Convert real date parts into formatted versions var value=new Object(); if (y.length < 4) {y=""+(y-0+1900);} value["y"]=""+y; value["yyyy"]=y; value["yy"]=y.substring(2,4); value["M"]=M; value["MM"]=LZ(M); value["MMM"]=MONTH_NAMES[M-1]; value["NNN"]=MONTH_NAMES[M+11]; value["d"]=d; value["dd"]=LZ(d); value["E"]=DAY_NAMES[E+7]; value["EE"]=DAY_NAMES[E]; value["H"]=H; value["HH"]=LZ(H); if (H==0){value["h"]=12;} else if (H>12){value["h"]=H-12;} else {value["h"]=H;} value["hh"]=LZ(value["h"]); if (H>11){value["K"]=H-12;} else {value["K"]=H;} value["k"]=H+1; value["KK"]=LZ(value["K"]); value["kk"]=LZ(value["k"]); if (H > 11) { value["a"]="PM"; } else { value["a"]="AM"; } value["m"]=m; value["mm"]=LZ(m); value["s"]=s; value["ss"]=LZ(s); while (i_format < format.length) { c=format.charAt(i_format); token=""; while ((format.charAt(i_format)==c) && (i_format < format.length)) { token += format.charAt(i_format++); } if (value[token] != null) { result=result + value[token]; } else { result=result + token; } } return result; } //