//performs an asynchronous XML load
//url - String, the url of the xml document
//callback - Function, a function to call once the xml is loaded, is passed a handle to the loaded xml or null if load was unsuccessful
//callbackContext - Object, defaults to window, an object to run the callback function in the context of
//type - String, "GET" or "POST"
//postData - String, &name=value pairs to post if a "POST" is being used
function loadXMLRequest(url, callback,callbackContext, type, postData){
	if(!type)type="GET";
	if(!postData)postData = "";
	if(callbackContext==null)callbackContext = window;
	var request = null;
	var ok = false;
	try{
		if(window['XMLHttpRequest']){
			var request = new XMLHttpRequest();
			ok = true;
		}else{
			var request = new ActiveXObject("Microsoft.XMLHTTP");
			ok = true;
		}
	}catch(e){
		request = null;
	}
	if(request){
		request.onreadystatechange = function(){
			if(request.readyState==4){
				var xml = (request.status==200) ? request.responseXML : null;
//				alert(request.responseText);
				callback.call(callbackContext,xml);
			}
		};
		request.open(type,url,true);
		request.send(postData);
	}else{
		callback.call(callbackContext,null);
	}
}

/*******function turns an xml document into a js object********
xmlDoc - Object, a handle to a dom node whose child tree is parsed
getAttributes - Boolean, defaults to false, specify true if dom elements should have their attributes parsed into an _attributes object
toLowerCase - Boolean, defaults to false, specify true if element and attribute names should be forced to lower case
/*******example:
<xml>
	<feed>
		<title>My Feed</title>
		<item>Item One</item>
		<item>Item Two</item>
	</feed>
</xml>

var o = xmlToObject(xmlDoc);
alert(o.xml[0].feed[0].title[0]._text); //alerts 'My Feed'
alert(o.xml[0].feed[0].item[1]._text); //alerts 'Item Two'
****************/
function xmlToObject(xmlDoc,getAttributes,toLowerCase){
	var recurser = new Object();
	recurser.getAttributes = getAttributes;
	recurser.toLowerCase = toLowerCase;
	recurser.process = function(o,nodes){
		for(var i = 0 ; i < nodes.length ; i++){
			if(nodes[i].nodeType==3){
				o._text += nodes[i].nodeValue;
			}else if(nodes[i].nodeType==1){
				var n = (this.toLowerCase) ? nodes[i].nodeName.toLowerCase() : nodes[i].nodeName;
				if(o[n]){
					o[n].push(new Object());
				}else{
					o[n] = new Array(new Object());
				}
				o[n][o[n].length-1]._text = "";
				o[n][o[n].length-1]._cdata = "";
				if(this.getAttributes){
					o[n][o[n].length-1]._attributes = new Object();
					for(var x = 0 ; x < nodes[i].attributes.length ; x++){
						var attName = (this.toLowerCase) ? nodes[i].attributes[x].nodeName.toLowerCase() : nodes[i].attributes[x].nodeName;
						o[n][o[n].length-1]._attributes[attName] = nodes[i].attributes[x].nodeValue;
					}
				}
				 if(nodes[i].childNodes.length>0){
					this.process(o[n][o[n].length-1], nodes[i].childNodes);
				}
			}else if(nodes[i].nodeType==4){
				o._cdata += nodes[i].nodeValue;
			}
		}
	};
	var o = new Object();
	recurser.process(o,xmlDoc.childNodes);
	return o;
}
//use this function to trim characters from the start and/or end of a string
//PARAMETERS:
//c - optional, the character to trim, defaults to whitespace
//t - optional, the type of trim: "LEADING", "TRAILING", or "LEADINGTRAILING", defaults to "LEADINGTRAILING"
//RETURNS:
// the trimmed string
String.prototype.trim = function(c,t){
	var s = this.toString(), b = true;
	c = (c == null || c.length != 1) ? " " : c;
	t = (t == null) ? "LEADINGTRAILING" : t ;
	if(t.indexOf("LEADING") != -1){
		while(b && s.length > 0){
			if(s.charAt(0) == c) s = s.substring(1,s.length);
			else b = false;
		}
	}
	if(t.indexOf("TRAILING") != -1){	
		b = true;
		while(b && s.length > 0){
			if(s.charAt(s.length - 1) == c) s = s.substring(0,s.length-1);
			else b = false;
		}
	}
	return s;
};
//use this function to get all the characters in a string to the left of a given substring
// (string is searched from left to right for substring)
//OR get the first n characters of a string
//PARAMETERS:
//v - a substring to get all the characters to the left of OR a number of characters to get
//RETURNS:
//the substring result
String.prototype.left = function(v){
	if(typeof v=="string"){
		var x = this.indexOf(v);
		return (x==-1) ? "" : this.substring(0,x);
	}else if(typeof v=="number"){
		return this.substring(0,v);
	}
	return "";
};
//use this function to get all the characters in a string to the left of a given substring
//the string is searched from right to left for the substring
//PARAMETERS:
//v - a substring to get all the characters to the left of
//RETURNS:
//the substring result
String.prototype.leftBack = function(s){
	if(typeof s=="string"){
		var x = this.lastIndexOf(s);
		return (x==-1) ? "" : this.substring(0,x);
	}
	return "";
};
//use this function to get all the characters in a string to the right of a given substring
// (string is searched from left to right for substring)
//OR get the last n characters of a string
//PARAMETERS:
//v - a substring to get all the characters to the right of OR a number of characters to get
//RETURNS:
//the substring result
String.prototype.right = function(v){
	if(typeof v=="string"){
		var x = this.indexOf(v);
		return (x==-1) ? "" : this.substring(x+v.length,this.length);
	}else if(typeof v=="number"){
		return this.substring(Math.max(0,this.length-v),this.length);
	}
	return "";
};
//use this function to get all the characters in a string to the right of a given substring
//the string is searched from right to left for the substring
//PARAMETERS:
//v - a substring to get all the characters to the right of
//RETURNS:
//the substring result
String.prototype.rightBack = function(s){
	if(typeof s=="string"){
		var x = this.lastIndexOf(s);
		return (x==-1) ? "" : this.substring(x+s.length,this.length);
	}
	return "";
};
//use this function to determine if an array contains a given value
//PARAMETERS:
//v - the value to search the array for
//RETURNS:
//true if the array contains the value, false otherwise
Array.prototype.contains = function(v){
	if(v == null) return false;
	for (var i = 0 ; i < this.length ; i++ )	if(this[i] == v) return true;
	return false;
};
function isNotANumber(v){
	return(isNaN(v) || v==="" || v.indexOf(" ") !=-1);
}


// insertAdjacentHTML(), insertAdjacentText() and insertAdjacentElement()
// for Netscape 6/Mozilla by Thor Larholm me@jscript.dk
// Usage: include this code segment at the beginning of your document
// before any other Javascript contents.

if(typeof HTMLElement!="undefined" && !HTMLElement.prototype.insertAdjacentElement){
	HTMLElement.prototype.insertAdjacentElement = function(where,parsedNode)
	{
		switch (where){
		case 'beforeBegin':
			this.parentNode.insertBefore(parsedNode,this)
			break;
		case 'afterBegin':
			this.insertBefore(parsedNode,this.firstChild);
			break;
		case 'beforeEnd':
			this.appendChild(parsedNode);
			break;
		case 'afterEnd':
			if (this.nextSibling) 
				this.parentNode.insertBefore(parsedNode,this.nextSibling);
			else
				this.parentNode.appendChild(parsedNode);
			break;
		}
	}

	HTMLElement.prototype.insertAdjacentHTML = function(where,htmlStr)
	{
		var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var parsedHTML = r.createContextualFragment(htmlStr);
		this.insertAdjacentElement(where,parsedHTML)
	}


	HTMLElement.prototype.insertAdjacentText = function(where,txtStr)
	{
		var parsedText = document.createTextNode(txtStr)
		this.insertAdjacentElement(where,parsedText)
	}
}

// Call sleep() to cause the client to sleep for a period of time, giving up it's time slice....
sleep = function(secs, agenturlbase) {

	var request = null;
	var ok = false;
	
	if ('undefined' == typeof(agenturlbase))
		agenturlbase = ''
	else
	     if (agenturlbase.right(1) != '/')
	     	agenturlbase = agenturlbase + '/';
	     	
	try{
		if(window['XMLHttpRequest']){
			var request = new XMLHttpRequest();
			ok = true;
		}else{
			var request = new ActiveXObject("Microsoft.XMLHTTP");
			ok = true;
		}
	}catch(e){
		request = null;
	}
	
	if(request){
		request.onreadystatechange = function(){
				// We don't need to do anything on the event since we're sync
		};
		var url = agenturlbase + 'sleep?OpenAgent&sleep=' + secs + 'cache=' + Math.random();
		request.open("GET", url, false);
		request.send(null);
	}
};

Date.prototype.adjust = function(yr,mn,dy,hr,mi,se) {
    var m,t;
    this.setYear(this.getFullYear() + yr);
    m = this.getMonth() + mn;
    if(m != 0) this.setYear(this.getFullYear() + Math.floor(m/12));
    if(m < 0) {
        this.setMonth(12 + (m%12));    
    } else if(m > 0) {
        this.setMonth(m%12);
    }
    t = this.getTime();
    t += (dy * 86400000);
    t += (hr * 3600000);
    t += (mi * 60000);
    t += (se * 1000);
    this.setTime(t);
}