ÿþ// ------------------------ GENERAL ROUTINES ------------------------



//  CHECKNUMBER function

//  Checks the validity of a number.

//  Value:		the number itself.

//  Min:		minimum valid value, 0 if no limit

//  Max:		maximum valid value, 0 if no limit

//  Msgcode:	message to display if the number is invalid



function checknumber(value,min,max,errormsg) {



  if ((value<min && min>0) || (value>max && max>0) || value == '' || String(Number(value)) == 'NaN' || String(Number(value)) == 'undefined') {

     alert(errormsg);

     return false;

  }

  

  return true;

}



//  -------------------------------------------------------------------------



//  CHECKSTRING function

//  Checks the validity of a string.

//  Value: 		the string itself.

//  Minlength: 		the minimum length of the string.

//  Maxlength:		the maximum length of the string.

//  Emptystring:	message to display if the string is empty.

//  Tooshort:		message to display if the string is too short.

//  Toolong:		message to display if the string is too long.



function checkstring(value,minlength,maxlength,emptystring,tooshort,toolong) {



   if (value =='') {

	alert(emptystring);

	return false;

   }



   if (value.length < minlength) {

	alert(tooshort);

	return false;

   }



   if (value.length > maxlength && maxlength > 0) {

	alert(toolong);

	return false;

   }





   return true;

}



//  -------------------------------------------------------------------------



//  GETDATEMAX function

//  Returns the number of days in a given month.



function getdatemax(mnth) {



switch (mnth) {

	case 1:		return(31);

	case 2:		return(29);

	case 3:		return(31);

	case 4:		return(30);

	case 5:		return(31);

	case 6:		return(30);

	case 7:		return(31);

	case 8:		return(31);

	case 9:		return(30);

	case 10:	return(31);

	case 11:	return(30);

	case 12:	return(31);

}



return false;



}



//  -------------------------------------------------------------------------



//  GETPASSWORD function

//  Pops up a browser window asking for a password, and redirecting to the specified URL if it's valid.



function getpassword(phpURL) {

   window.open('password.html?phpurl='+phpURL,'password','status=no,scrollbars=no,noresize,width=210,height=100');

}



//  -------------------------------------------------------------------------





//  GETUSERPASSWORD function

//  Pops up a browser window asking for username and password, and redirecting to the specified URL if it's valid.



function getuserpassword(phpURL) {

   window.open('userpassword.php?url='+phpURL, 'userpassword', 'status=no,scrollbars=no,noresize,width=210,height=150');

}



//  -------------------------------------------------------------------------



//  CHECKRADIO function

//  Checks if any values have been selected of the radio group, and returns the value. If none was selected, it 

//  returns the specified error message.



function checkradio(radiogroup,errormsg) {



for (i=0, n=radiogroup.length; i<n; i++) {

   if (radiogroup[i].checked) {

      var checkvalue = radiogroup[i].value;

      break;

   }

}



if (checkvalue == undefined) { 

	alert(errormsg);

	return false;

}



return checkvalue;



}





//  -------------------------------------------------------------------------



//  GETPARAM function

//  Returns the value of a HTTP parameter



function getparam(param) {



s = '';

t = 0;



while (document.location.search.substring(t, t+param.length) != param && t<=document.location.search.length) {

    t++;

}



while (document.location.search.substring(t, t+1) != '=' && t<=document.location.search.length) {

    t++;

}



t++;



while (document.location.search.substring(t, t+1) != '&' && t<=document.location.search.length) {

    s = s + document.location.search.substring(t, t+1);

    t++;

}



return s;



}



//  -------------------------------------------------------------------------



//  FORMATMESSAGE function

//  Parses a string and formats it to HTML standards



function formatmessage(input) {



   msg = String(input);

   newmsg = '';

   s = '';



   for (t=0; t<=msg.length; t++) {



	added = false;



//  Remove HTML tags: replace tag markings with HTML entities



       	if (msg.substr(t, 1) == '<') {

		newmsg = newmsg+'&lsaquo;';

		added = true;

   	}



       	if (msg.substr(t, 1) == '>') {

		newmsg = newmsg+'&rsaquo;';

		added = true;

   	}





//  Convert links beginning with "http://" or "www."



       	if ((t<=msg.length - 7 & msg.substring(t, t+7) == 'http://') || (t<=msg.length - 4 & msg.substring(t, t+4) == 'www.')) {

          	a = t;

          	while(a < msg.length && msg.substr(a, 1) != ' ' && msg.substr(a,1) != '\n') { a++; }

		if (msg.substring(t, t+7) == 'http://') { s = '<A HREF="'+msg.substring(t, a)+'" TARGET="_new">'+msg.substring(t, a)+'</A>'; }

		if (msg.substring(t, t+4) == 'www.') { s = '<A HREF="http://'+msg.substring(t, a)+'" TARGET="_new">'+msg.substring(t, a)+'</A>'; }

		newmsg = newmsg+s;

		t = a-1;

		added = true;

   	}





//  Convert e-mail addresses to mailto links



       	if (msg.substr(t, 1) == '@' && t>2 && t<msg.length-1) {

          	a = t;

	        b = 0;



          	while(a>0 && msg.substr(a-1,1) != ' ' && msg.substr(a-1,1) != '\n') { a--; b++; }

		newmsg = newmsg.substr(0, newmsg.length - b);

		s = msg.substring(a, t);

          	a = t;



          	while(a < msg.length && msg.substr(a, 1) != ' ' && msg.substr(a,1) != '\n') { a++; }

		s = s + msg.substring(t, a);

		s = '<A HREF="mailto:'+s+'">'+s+'</A>';

		newmsg = newmsg+s;

		t = a-1;

		added = true;

   	}



//  Replace multiple spaces with &nbsp; entities



       	if (t<=msg.length - 1 && msg.substr(t, 2) == '  ') {

          	a = t;

		s = '';

          	while(a <= msg.length && msg.substr(a, 1) == ' ') { a++; s = s+'&nbsp;'; }

		newmsg = newmsg+s;

		t = a-1;

		added = true;

   	}





//  Replace page breaks with <BR> tags



       	if (msg.substr(t, 1) == '\n') {

		newmsg = newmsg + '<BR>\n';

		added = true;

   	}



   	if (added == false) { newmsg = newmsg + msg.substr(t, 1); }

   }



   return newmsg;



}





//  -------------------------------------------------------------------------

//  UNACCENT

//  Removes Hungarian accented characters from a string and replaces them with others



function unaccent(source) {

	output = '';

	for (a=0; a<source.length; a++) {

	added = false;

	if (source[a] == 'Q
') { output += 'ô'; added = true; }

	if (source[a] == 'q
') { output += 'û'; added = true; }

	if (added == false) { output = output+(source[a]); }

	}



	return(output);

}



//  -------------------------------------------------------------------------

//  GETCOOKIE

//  Gets a cookie of a given name



function getcookie(name)

{

	var nameEQ = name + "=";

	var ca = document.cookie.split(';');

	for(var i=0;i < ca.length;i++)

	{

		var c = ca[i];

		while (c.charAt(0)==' ') c = c.substring(1,c.length);

		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);

	}

	return null;

}



//  -------------------------------------------------------------------------

//  SETCOOKIE

//  Creates a cookie



function setcookie(name,value,days)

{

	if (days)

	{

		var date = new Date();

		date.setTime(date.getTime()+(days*24*60*60*1000));

		var expires = "; expires="+date.toGMTString();

	}

	else var expires = "";

	document.cookie = name+"="+value+expires+"; path=/";

}



//  -------------------------------------------------------------------------

//  DELETECOOKIE

//  Deletes a cookie



function deletecookie(name)

{

	setcookie(name,"",-1);

}



//  -------------------------------------------------------------------------

//  SAVEFORMTOCOOKIES

//  Saves a given form's fields and values to client-side cookies



function saveformtocookies(theform) {

	for (t=0; t<theform.length; t++) {

		setcookie(theform[t].name, unaccent(theform[t].value), 1);

	}

}



//  -------------------------------------------------------------------------

//  GETFORMFROMCOOKIES

//  Retrieves a given form's values from cookies, and deletes the cookies



function getformfromcookies(theform) {



	for (t=0; t<theform.length; t++) {

		theform[t].value = getcookie(theform[t].name);

	}

}



//  -------------------------------------------------------------------------

//  DELETEFORMCOOKIES

//  Deletes all cookies related to the given form



function deleteformcookies(theform) {



	for (t=0; t<theform.length; t++) {

		deletecookie(theform[t].name);

	}

}



//  -------------------------------------------------------------------------

//  FORMSAVED

//  Checks if a form was saved as cookies or not



function formsaved(theform) {



	foundform = true;

	for (t=0; t<theform.length; t++) {

		foundform = (getcookie(theform[t].name) != null);

	}

	return foundform;

}