function processKeywordsString(strkeywords) {

	var unicode_trans_table = {
		"30" : "0"        , "31" : "1"        , "32" : "2"        ,
		"33" : "3"        , "34" : "4"        , "35" : "5"        ,
		"36" : "6"        , "37" : "7"        , "38" : "8"        ,
		"39" : "9"        , "41" : "A"        , "42" : "B"        ,
		"43" : "C"        , "44" : "D"        , "45" : "E"        ,
		"46" : "F"        , "47" : "G"        , "48" : "H"        ,
		"49" : "I"        , "4A" : "J"        , "4B" : "K"        ,
		"4C" : "L"        , "4D" : "M"        , "4E" : "N"        ,
		"4F" : "O"        , "50" : "P"        , "51" : "Q"        ,
		"52" : "R"        , "53" : "S"        , "54" : "T"        ,
		"55" : "U"        , "56" : "V"        , "57" : "W"        ,
		"58" : "X"        , "59" : "Y"        , "5A" : "Z"        ,
		"61" : "a"        , "62" : "b"        , "63" : "c"        ,
		"64" : "d"        , "65" : "e"        , "66" : "f"        ,
		"67" : "g"        , "68" : "h"        , "69" : "i"        ,
		"6A" : "j"        , "6B" : "k"        , "6C" : "l"        ,
		"6D" : "m"        , "6E" : "n"        , "6F" : "o"        ,
		"70" : "p"        , "71" : "q"        , "72" : "r"        ,
		"73" : "s"        , "74" : "t"        , "75" : "u"        ,
		"76" : "v"        , "77" : "w"        , "78" : "x"        ,
		"79" : "y"        , "7A" : "z"        , "20" : " "        ,
		"C0" : "À" , "C1" : "Á" , "C2" : "Â"  , 
		"C3" : "Ã" , "C4" : "Ä"   , "C5" : "Å"  , 
		"C6" : "Æ"  , "C7" : "Ç" , "C8" : "È" , 
		"C9" : "É" , "CA" : "Ê"  , "CB" : "Ë"   , 
		"CC" : "Ì" , "CD" : "Í" , "CE" : "Î"  ,
		"CF" : "Ï"   , "D0" : "Ð"    , "D1" : "Ñ" , 
		"D2" : "Ò" , "D3" : "Ó" , "D4" : "Ô"  , 
		"D5" : "Õ" , "D6" : "Ö"   , "D8" : "Ø" , 
		"D9" : "Ù" , "DA" : "Ú" , "DB" : "Û"  , 
		"DC" : "Ü"   , "DD" : "Ý" , "DE" : "Þ"  ,	
		"DF" : "ß"  , "E0" : "à" , "E1" : "á" , 
		"E2" : "â"  , "E3" : "ã" , "E4" : "ä"   , 
		"E5" : "å"  , "E6" : "æ"  , "E7" : "ç" , 
		"E8" : "è" , "E9" : "é" , "EA" : "ê"  , 
		"EB" : "ë"   , "EC" : "ì" , "ED" : "í" ,
		"EE" : "î"  , "EF" : "ï"   , "F0" : "ð"    , 
		"F1" : "ñ" , "F2" : "ò" , "F3" : "ó" , 
		"F4" : "ô"  , "F5" : "õ" , "F6" : "ö"   , 
		"F8" : "ø" , "F9" : "ù" , "FA" : "ú" , 
		"FB" : "û"  , "FC" : "ü"   , "FD" : "ý" ,
		"FE" : "þ"  , "FF" : "ÿ" 
	};
	
	var ret = "";
	
	for (var i=0; i<strkeywords.length; i++) {
		var hex = strkeywords.charCodeAt(i).toString(16).toUpperCase();
		ret += (unicode_trans_table[hex]!=undefined)? unicode_trans_table[hex] : " ";
	}
	
	ret = ret.replace(/\u0020+/g, ',');
	
	return ret;
}

function getStartDate() {
	var d = document.getElementById("year-start").value;
	d += "-" + document.getElementById("month-start").value;
	d += "-" + document.getElementById("day-start").value;
	return d;
}

function getEndDate() {
	var d = document.getElementById("year-end").value;
	d += "-" + document.getElementById("month-end").value;
	d += "-" + document.getElementById("day-end").value;
	return d;
}

function disableDateFields(suffix, action) {
	document.getElementById("day-"+suffix).disabled   = action;
	document.getElementById("month-"+suffix).disabled = action;
	document.getElementById("year-"+suffix).disabled  = action;
}

function checkForm(formid) {
	var msg = "";
	var keywords = document.getElementById("keywords-temp-field").value;
	var startdateOn = !document.getElementById("ignore-startdate").checked;
	var enddateOn = !document.getElementById("ignore-enddate").checked;
	
	if (!keywords && !startdateOn && !enddateOn) {
		alert("Recherche invalide !\nAucun mot-clé et aucune date spécifiés");
		return;
	}
	
	if ( (startdateOn && enddateOn) && (getStartDate() > getEndDate()) ) {
		alert("Recherche invalide !\nLa date de fin est plus récente que la date de début");
		return;
	}
	document.getElementById("keywords-field").value = processKeywordsString(keywords);
	document.getElementById(formid).submit();
}

function showMoreOrLess(motherPanel) {
	var childPanelId = motherPanel.id.split("-")[1];
	var childPanel = document.getElementById("event_"+childPanelId+"_more");
	if (motherPanel.firstChild.nodeValue == "en savoir plus") {
		childPanel.style.display = "block";
		motherPanel.firstChild.nodeValue = "masquer";
	} else {
		childPanel.style.display = "none";
		motherPanel.firstChild.nodeValue = "en savoir plus";
	}
}