// JavaScript Document	
function GetXmlHttpObject() {
	var xmlHttp=null;
	try	{ // Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	} // end try Firefox, Opera 8.0+, Safari
	catch (e) {
		try { // Internet Explorer
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} // end try Internet Explorer
		catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}

function stateChanged() { // http recieved function
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { // recieved http responce
		var response = xmlHttp.responseText; // retrieve html
		processResponse(response, 'main_container');
		if (typeof getBankImage == 'function') { // bank image function exists
			if (document.getElementById("bank_image") && document.getElementById("bank_id")) { // element exists
				getBankImage(document.getElementById("bank_id").value); // change bank image
			} // end if element value exists
		} // end if bank image function exists
	} // end if recieved http responce
} // end function http recieved

function processResponse(response, element_id) {
	if (response == 'login_page') { // redirect to login page
		window.location = login_page; // load whole login page
	} else if (response == 'session_expire_page') { // redirect to session expire page
		window.location = session_expire_page; // load whole session expire page
	} else if (response == 'error_page') { // redirect to session expire page
		window.location = error_page; // load whole session expire page
	} else { // continue standard rpc
		document.getElementById(element_id).innerHTML = response; // place html into div tag
		setTimeout("hideMessageBox()",15000);
		window.scrollTo(0,0);
	} // end if redirect to new page
}

function var_dump(obj) {
	if(typeof obj == "object") {
		alert("Type: "+typeof(obj)+((obj.constructor) ? "\nConstructor: "+obj.constructor : "")+"\nValue: " + obj);
	} else {
		alert("Type: "+typeof(obj)+"\nValue: "+obj);
	}
}//end function var_dump

function URLEncode(unencoded_url) {
	var SAFECHARS = "0123456789" +	// Numeric
	"ABCDEFGHIJKLMNOPQRSTUVWXYZ" +	// Alphabetic
	"abcdefghijklmnopqrstuvwxyz" +
	"-_.!~*'()";					// RFC2396 Mark characters
	var HEX = "0123456789ABCDEF";
	
	var plaintext = unencoded_url;
	var encoded = "";
	for (var i = 0; i < plaintext.length; i++ ) {
		var ch = plaintext.charAt(i);
		if (ch == " ") {
			encoded += "+";				// x-www-urlencoded, rather than %20
		} else if (SAFECHARS.indexOf(ch) != -1) {
			encoded += ch;
		} else {
			var charCode = ch.charCodeAt(0);
			if (charCode > 255) {
				alert( "Unicode Character '" 
					+ ch 
					+ "' cannot be encoded using standard URL encoding.\n" +
					  "(URL encoding only supports 8-bit characters.)\n" +
					  "A space (+) will be substituted." );
				encoded += "+";
			} else {
				encoded += "%";
				encoded += HEX.charAt((charCode >> 4) & 0xF);
				encoded += HEX.charAt(charCode & 0xF);
			}
		}
	} // end for
	return encoded;
}

function URLDecode(encoded_url) {
	var HEXCHARS = "0123456789ABCDEFabcdef"; 
	var encoded = encoded_url;
	var plaintext = "";
	var i = 0;
	while (i < encoded.length) {
		var ch = encoded.charAt(i);
		if (ch == "+") {
			plaintext += " ";
			i++;
		} else if (ch == "%") {
			if (i < (encoded.length-2) 
				&& HEXCHARS.indexOf(encoded.charAt(i+1)) != -1 
				&& HEXCHARS.indexOf(encoded.charAt(i+2)) != -1 ) {
				plaintext += unescape( encoded.substr(i,3) );
				i += 3;
			} else {
				alert( 'Bad escape combination near ...' + encoded.substr(i) );
				plaintext += "%[ERROR]";
				i++;
			}
		} else {
			plaintext += ch;
			i++;
		}
	} // end while
	return plaintext;
}

function removeForm(form_id, form_containter_id) {
	var content = document.getElementById(form_id).innerHTML; // get page content between form tags
	document.getElementById(form_containter_id).innerHTML = content; // rewrite page to remove form tags
}

function hideMessageBox() {
	if (document.getElementById('message_table_container')) { // mesage box container exists in DOM
		document.getElementById('message_table_container').innerHTML = '';
	} // end if mesage box container exists in DOM
}

function changeMouseCursor(cursor) {
	document.body.style.cursor = cursor;
}