function includeFlash(movie, name, width, height) {
		document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" width="' + width + '" height="' + height + '" id="' + name + '" align="middle">');
		document.write('<param name="allowScriptAccess" value="sameDomain" />');
		document.write('<param name="movie" value="' + movie + '" />');
		document.write('<param name="quality" value="high" />');
		document.write('<param name="bgcolor" value="#ffffff" />');
		document.write('<param name="wmode" value="opaque" />');
		document.write('<embed src="' + movie + '" quality="high" bgcolor="#ffffff" wmode="transparent" width="' + width + '" height="' + height + '" name="' + name + '" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />');
		document.write('</object>');
	}

	
	// kepcserelgeto
	////////////////
	
	function changeImages() {
		if (document.images) {
			for (var i = 0; i < changeImages.arguments.length; i += 2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i + 1];
			}
		}
	}
	
	// popup
	///////////////////
	
	function showPic(file, text, width, height) {
		 var window_width = width;
		 var window_height = height;
		 var window_top = (screen.height-window_height) / 2;
		 var window_left = (screen.width-window_width) / 2;
		 newWindow = window.open('showpic.php?img=' + file + '&text=' + text, '', 'width = ' + window_width + ', height = ' + window_height + ', top = ' + window_top + ', left = ' + window_left + '' + ', status = no, scrollbars = no');
		 newWindow.focus();
	}

	// char converter
	/////////////////
	
	function fromCode(code) {
		return String.fromCharCode(code);
	}
	
	function convert(text) {
		flood = 0;
		while (text.indexOf("&#") != -1) {
			i = text.indexOf("&#") + 2;
			cserelendo = parseInt(text.substring(i,i+3));
			mire = fromCode(cserelendo);
			mit = text.substring(i-2,i+4);
			text = text.replace(mit, mire);
		}
		return text;
	}
	
	function toCode(code) {
		return code.charCodeAt(0);
	}
	
	function convertBack(text) {
	
		stdChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVXYZ0123456789 -!@#$%^&*(),./;'[]\?:{}|+_~";
		
		i = 0;
		while (i<text.length && !(i>1000)) {
			if (stdChars.indexOf(text.charAt(i)) < 0) {
				text = text.replace(text.charAt(i),"&#" + toCode(text.charAt(i)) + ";");
				i += 5;
			}
			i += 1;
		}
	
		return text;
	}

	// form check
	/////////////

	function chkMail(mail) {
		var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
		if (filter.test(mail)) {
			return true;
		} else {
			return false;
		}
	}
	
	function isNum(sText) {
		var ValidChars = "0123456789";
		var IsNumber = true;
		var Char;
		
		for (i = 0; i < sText.length && IsNumber == true; i++) { 
			Char = sText.charAt(i); 
			if (ValidChars.indexOf(Char) == -1) {
				IsNumber = false;
			}
		}
		return IsNumber;
	}

	function getRadioValue(radioArray) {
		var res = null;
		for (i = 0; i < radioArray.length; i++) {
			if (radioArray[i].checked) {
				res = radioArray[i].value;
				break;
			}
		}
		return res;
	}