	var hwnd;
	function openwin( img , w , h , title ) {
		if( hwnd != null )
		hwnd.close();
		hwnd = window.open( img , "" , "toolbar=no , location=no , directories=no , resizable=no , width=" + w + " , height=" + h );
		hwnd.document.open();
		hwnd.document.write("<html>");
		hwnd.document.write("<head>");
		hwnd.document.write("<title>" + title + "</title>");
		hwnd.document.write("</head>");
		hwnd.document.write("<body bgcolor=#ffffff bottommargin=0 leftmargin=0 marginheight=0 marginwidth=0 rightmargin=0 topmargin=0 style='border:0px;'>");
		hwnd.document.write("<table align=center width=100% height=100% cellspacing=0 cellpadding=0 border=0>");
		hwnd.document.write("<tr><td><img src='" + img + "' border=0></td></tr>");
		hwnd.document.write("</table></body></html>");
		hwnd.document.close();
	}

	function openwin_text( url , w , h ) {
		window.open( url , "" , "toolbar=no , location=no , directories=no , resizable=no , scrollbars=yes , width=" + w + " , height=" + h );
	}

	function pics( img , url ) {
			document.images[img].src = url;
	}

	function redirect( uri ) {
		document.location.href = uri;
	}

	function ShowDiv( id ) {
		var layer = document.getElementById(id);
			layer.style.display = "block"; 
	}

	function HideDiv( id ) {
		var layer = document.getElementById(id);
			layer.style.display = "none"; 
	}

	function show( id ) {
		var layer = document.getElementById(id);
		if( layer.style.display == "none" )
			layer.style.display = "block"; 
		else
			layer.style.display = "none"; 
	}

	function colorChange( id , bgColor ) {
		var el = document.getElementById( id );
		el.style.backgroundColor = bgColor;
	}

	function preload() {
		var numArgs = arguments.length;
		if ( numArgs > 0 ) {
			arr = new Array()
			for( var i = 0; i < numArgs; i++ ) {
				arr[i] = new Image();
				arr[i].src = arguments[i];
			}
		}
	}

	var selected_id = null; 
	var dom = document.getElementById; 
	function chi( id , newclass ) { 
		if (dom) {
			if(selected_id != id) {
				el = document.getElementById(id);
				el.className = newclass;
				el.style.cursor = "hand";
				el.style.cursor = "pointer";
			}
		}
	} 
	
	function createRequest() {
		var request = false;
		try {
		  request = new XMLHttpRequest();
		} catch (trymicrosoft) {
		  try {
			request = new ActiveXObject("Msxml2.XMLHTTP");
		  } catch (othermicrosoft) {
			try {
			  request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (failed) {
			  request = false;
			}
		  }
		}
		return request;
	}
	
	function testAjax(){
		var request = createRequest();
		
		if (!request)
		  alert("1Error initializing XMLHttpRequest!");
		else alert("2XMLHttpRequest!");		
	}
	
	function serialize( mixed_value ) {
		// http://kevin.vanzonneveld.net
		// +   original by: Arpad Ray (mailto:arpad@php.net)
		// +   improved by: Dino
		// +   bugfixed by: Andrej Pavlovic
		// +   bugfixed by: Garagoth
		// %          note: We feel the main purpose of this function should be to ease the transport of data between php & js
		// %          note: Aiming for PHP-compatibility, we have to translate objects to arrays
		// *     example 1: serialize(['Kevin', 'van', 'Zonneveld']);
		// *     returns 1: 'a:3:{i:0;s:5:"Kevin";i:1;s:3:"van";i:2;s:9:"Zonneveld";}'
		// *     example 2: serialize({firstName: 'Kevin', midName: 'van', surName: 'Zonneveld'});
		// *     returns 2: 'a:3:{s:9:"firstName";s:5:"Kevin";s:7:"midName";s:3:"van";s:7:"surName";s:9:"Zonneveld";}'
	 
		var _getType = function( inp ) {
			var type = typeof inp, match;
			var key;
			if (type == 'object' && !inp) {
				return 'null';
			}
			if (type == "object") {
				if (!inp.constructor) {
					return 'object';
				}
				var cons = inp.constructor.toString();
				if (match = cons.match(/(\w+)\(/)) {
					cons = match[1].toLowerCase();
				}
				var types = ["boolean", "number", "string", "array"];
				for (key in types) {
					if (cons == types[key]) {
						type = types[key];
						break;
					}
				}
			}
			return type;
		};
		var type = _getType(mixed_value);
		var val, ktype = '';
	 
		switch (type) {
			case "function": 
				val = ""; 
				break;
			case "undefined":
				val = "N";
				break;
			case "boolean":
				val = "b:" + (mixed_value ? "1" : "0");
				break;
			case "number":
				val = (Math.round(mixed_value) == mixed_value ? "i" : "d") + ":" + mixed_value;
				break;
			case "string":
				val = "s:" + mixed_value.length + ":\"" + mixed_value + "\"";
				break;
			case "array":
			case "object":
				val = "a";
				/*
				if (type == "object") {
					var objname = mixed_value.constructor.toString().match(/(\w+)\(\)/);
					if (objname == undefined) {
						return;
					}
					objname[1] = serialize(objname[1]);
					val = "O" + objname[1].substring(1, objname[1].length - 1);
				}
				*/
				var count = 0;
				var vals = "";
				var okey;
				var key;
				for (key in mixed_value) {
					ktype = _getType(mixed_value[key]);
					if (ktype == "function") { 
						continue; 
					}
	 
					okey = (key.match(/^[0-9]+$/) ? parseInt(key) : key);
					vals += serialize(okey) +
							serialize(mixed_value[key]);
					count++;
				}
				val += ":" + count + ":{" + vals + "}";
				break;
		}
		if (type != "object" && type != "array") val += ";";
		return val;
	}	

	function __debug(arr,level) {var dumped_text = "";if(!level) level = 0;var level_padding = "";for(var j=0;j<level+1;j++) level_padding += "    ";if(typeof(arr) == 'object') { for(var item in arr) {var value = arr[item];if(typeof(value) == 'object') { dumped_text += level_padding + "'" + item + "' ...\n";dumped_text += dump(value,level+1);} else {dumped_text += level_padding + "'" + item + "' => \"" + value + "\"\n";}}} else { dumped_text = "===>"+arr+"<===("+typeof(arr)+")";}return dumped_text;}
