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 LINK_ajax(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
		}
	}
}

function POST_ajax(http, div_name, frm_name) {

	var POST_xmlhttp = false;
	var frm = false
	var url = "";


	try { POST_xmlhttp = new ActiveXObject("Msxml2.XMLHTTP"); }
	catch (e) { try { POST_xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); }
	catch (e) { try { POST_xmlhttp = new XMLHttpRequest(); }
	catch (e) { POST_xmlhttp = false; }}}
	if (!POST_xmlhttp) return null;

	frm = document.getElementById(frm_name);

	//document.getElementById('load_div').style.visibility="visible";

	url = "frm_name=" + frm_name;

	for (i = 0; i < frm.elements.length; i++) {
		frm.elements[i].disabled = true;
		if (frm.elements[i].type == "checkbox") {
			if (frm.elements[i].checked)
				frm.elements[i].value = 1;
			else
				frm.elements[i].value = 0;
		}
		url = url + "&" + frm.elements[i].name + "=" + escape(frm.elements[i].value);
	}


	POST_xmlhttp.open("POST", http, true);

	POST_xmlhttp.onreadystatechange = function() {
		if (POST_xmlhttp.readyState == 4) {
			//document.getElementById('load_div').style.visibility="hidden";

			for (i = 0; i < frm.elements.length; i++) {
				if (frm.elements[i].type == "checkbox")
					frm.elements[i].checked = false;
				if (frm.elements[i].type == "password")
					frm.elements[i].value = "";
				frm.elements[i].disabled = false;
			}

			if (POST_xmlhttp.responseText.indexOf("<script type=\"text/javascript\">") > -1) {
				var x = POST_xmlhttp.responseText.indexOf("<script type=\"text/javascript\">") + "<script type=\"text/javascript\">".length;
				var y = POST_xmlhttp.responseText.indexOf("</script>") - x;
				eval(POST_xmlhttp.responseText.substr(x, y));
			}

			if (POST_xmlhttp.responseText.indexOf('ALERT|') > -1) {
				var x = POST_xmlhttp.responseText.indexOf('ALERT|') + "ALERT|".length;
				var y = POST_xmlhttp.responseText.indexOf('|ENDALERT') - x;
				window.alert(POST_xmlhttp.responseText.substr(x , y));
			} else
				document.getElementById(div_name).innerHTML = POST_xmlhttp.responseText + ' ';
		}
	}

	POST_xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	POST_xmlhttp.setRequestHeader("Content-length", url.length);
	POST_xmlhttp.setRequestHeader("Connection", "close");
	POST_xmlhttp.send(url);  

	return false;
}

function setClass(id, myClass){
    document.getElementById(id).className = myClass;
}

function hiddeDivByForm(chk, id){
    if(chk.checked == 1)
        setClass(id, "show");
    else
        setClass(id, "hidde");
}

function ShowHiddeDiv(id){
    if( document.getElementById(id).className == "hidde")
        setClass(id, "show");
    else
        setClass(id, "hidde");
}

function setErrorForms(arrForms){

   for (i=0;i<arrForms.length;i++){
        setClass(arrForms[i],"error");
    }
}

function setClearForms(arrForms){

   for (i=0;i<arrForms.length;i++){
        setClass(arrForms[i],"empty");
    }
}
function checkForm(chk)
{
    document.getElementById(chk).checked = true;
}

function setHideForm(myForm)
{
    document.getElementById(myForm).type = "hidden";
}