// This function is for stripping leading and trailing spaces
function trim(str) {
	if (str != null) {
		var i;
		for (i=0; i<str.length; i++) {
			if (str.charAt(i)!=" ") {
				str=str.substring(i,str.length);
				break;
			}
		}
		for (i=str.length-1; i>=0; i--) {
			if (str.charAt(i)!=" ") {
				str=str.substring(0,i+1);
				break;
			}
		}
		if (str.charAt(0)==" ") {
			return "";
		} else {
			return str;
		}
	}
}

//Minimize Window
function Minimize()  {
	window.innerWidth = 100;
	window.innerHeight = 100;
	window.screenX = screen.width;
	window.screenY = screen.height;
	alwaysLowered = true;
}

//Maximize Window
function Maximize() {
	window.innerWidth = screen.width;
	window.innerHeight = screen.height;
	window.screenX = 0;
	window.screenY = 0;
	alwaysLowered = false;
}

function setTable(what){
	if(document.getElementById(what).style.display=="none"){
		document.getElementById(what).style.display="block";
	}
	else if(document.getElementById(what).style.display=="block"){
		document.getElementById(what).style.display="none";
	}
}

//Change Page with AJAX
var bustcachevar=1; //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects="";
var rootdomain="http://"+window.location.hostname;
var bustcacheparameter="";
function ajaxpage(url, containerid){
	var page_request = false;
	if (window.XMLHttpRequest) // if Mozilla, Safari etc
		page_request = new XMLHttpRequest();
	else if (window.ActiveXObject){ // if IE
		try {
			page_request = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e){
			try{
				page_request = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (e){}
		}
	} else
		return false;
	page_request.onreadystatechange=function(){loadpage(page_request, containerid);};
	if (bustcachevar) //if bust caching of external page
		bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime();
	page_request.open('GET', url+bustcacheparameter, true);
	page_request.send(null);
}
function loadpage(page_request, containerid){
	if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
		document.getElementById(containerid).innerHTML=page_request.responseText;
}
function loadobjs(){
	if (!document.getElementById)
		return
	for (i=0; i<arguments.length; i++){
		var file=arguments[i];
		var fileref="";
		if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
		if (file.indexOf(".js")!=-1){ //If object is a js file
			fileref=document.createElement('script');
			fileref.setAttribute("type","text/javascript");
			fileref.setAttribute("src", file);
		} else if (file.indexOf(".css")!=-1){ //If object is a css file
			fileref=document.createElement("link");
			fileref.setAttribute("rel", "stylesheet");
			fileref.setAttribute("type", "text/css");
			fileref.setAttribute("href", file);
		}
		}
		if (fileref!=""){
			document.getElementsByTagName("head").item(0).appendChild(fileref);
			loadedobjects+=file+" "; //Remember this object as being already added to page
		}
	}
}

//Load Page with AJAX
var HttPRequest = false;
function doCallAjax(url) {
	HttPRequest = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari,...
		HttPRequest = new XMLHttpRequest();
		if (HttPRequest.overrideMimeType) {
			HttPRequest.overrideMimeType('text/html');
		}
	} else if (window.ActiveXObject) { // IE
		try {
			HttPRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				HttPRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	} 
  
	if (!HttPRequest) {
		alert('Cannot create XMLHTTP instance');
		return false;
	}
	var pmeters = "ddd";
	HttPRequest.open('POST',url,true);
	HttPRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	HttPRequest.setRequestHeader("Content-length", pmeters.length);
	HttPRequest.setRequestHeader("Connection", "close");
	HttPRequest.send(pmeters);
	HttPRequest.onreadystatechange = function(){
		 if(HttPRequest.readyState == 3){  // Loading Request
			 document.getElementById("myContent").innerHTML = "Now is Loading...";
		 }
		 if(HttPRequest.readyState == 4){ // Return Request		  
			 document.getElementById('myContent').innerHTML = HttPRequest.responseText;
		 }				
	}
}