var url = null;
var id_danse_selected = 0;


 /* Partie commune */

function baliser(d,f,cadre)
{
	cadre.focus();
	var start=getSelectionStart(cadre);
	var end=getSelectionEnd(cadre);
	var insText=cadre.value.substring(start,end);
	cadre.value=cadre.value.substr(0,start)+d+insText+f+cadre.value.substr(end);
}

function getSelectionStart(cadre) 
{
	if ( typeof cadre.selectionStart != 'undefined' )
 		return cadre.selectionStart;
 	// IE Support
 	cadre.focus();
 	var range = cadre.createTextRange();
 	range.moveToBookmark(document.selection.createRange().getBookmark());
 	range.moveEnd('character', cadre.value.length);
 	return cadre.value.length - range.text.length;
}
 
function getSelectionEnd(cadre)
{
	if ( typeof cadre.selectionEnd != 'undefined' )
 		return cadre.selectionEnd;
 	// IE Support
 	cadre.focus();
 	var range = cadre.createTextRange();
 	range.moveToBookmark(document.selection.createRange().getBookmark());
 	range.moveStart('character', - cadre.value.length);
 	return range.text.length;
} 
 
/* Partie administration */

function newCategorie(select)
{
	if (select.options[select.options.selectedIndex].value == "0"){
		window.document.getElementById("nomNouvelleCat").type="text";
	}
	else{
		window.document.getElementById("nomNouvelleCat").type="hidden";
	}
}

function changeUrl(change)
{
	var html = '';
	if (change)
	{
		html += "<input type='file' size='30' name='url' class='titre' tabindex='2' />";	
		html += '<input type="button" value="Annuler" onclick="changeUrl(false)"/>';
	}
	else
	{
		html += '<input type="text" size="30" name="url" value="' + url + '" tabindex="2" onclick="changeUrl(true)"/>';
		html += '<input type="button" value="Changer" onclick="changeUrl(true)"/>';
	}
	window.document.getElementById("urlDiv").innerHTML = html;
}

function saveUrl(oldUrl)
{
	url = oldUrl;
}
 
 
 /* Partie affichable */

function agrandir(image)
{
	var w=window.open(image,'image','toolbar=no, menubar=no, location=no, directories=no, resizable=yes, status=no, directories=no, scrollbars=yes, width=600, height=500');
	w.document.close();
	w.focus();
}

function showDanseDescription(id)
{
	if (id == id_danse_selected)
	{
		window.document.getElementById("description_danse"+id).style.display="none";
		id_danse_selected = 0;
	}
	else
	{
		var xhr_object = null; 
		
		if(window.XMLHttpRequest) // Firefox 
			xhr_object = new XMLHttpRequest(); 
		else if(window.ActiveXObject) // Internet Explorer 
			xhr_object = new ActiveXObject("Microsoft.XMLHTTP"); 
		else { // XMLHttpRequest non supporté par le navigateur 
			alert("Votre navigateur ne supporte pas les objets XMLHTTPRequest..."); 
			return; 
		} 

		var filename = "enter.php?page=danse_desc";
		var params = "id_danse=" + id;
		xhr_object.open("POST", filename, true); 

		xhr_object.onreadystatechange = function() { 
			if(xhr_object.readyState == 4) {
				window.document.getElementById("description_danse"+id).innerHTML = xhr_object.responseText;
				window.document.getElementById("description_danse"+id).style.display="block";
				if (id_danse_selected>0)
					window.document.getElementById("description_danse"+id_danse_selected).style.display="none";
				id_danse_selected = id;
			}
		}
		xhr_object.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); 
		xhr_object.setRequestHeader("Charset","iso-8859-1");
		xhr_object.send(params);
	}
}

function afficheEtat(etat, texte)
{
	var imageFermer = "<a href='javascript:;'><img class='fermer' src='./images/icones/fermer.png' alt='fermer' onclick='afficheEtat(0,\"\")' /></a>";
	var imageErreur = "<img src='./images/icones/erreur.png' alt='erreur' />";
	var imageReussi = "<img src='./images/icones/reussi.png' alt='Réussi' />";
	var imageChargement = "<img src='./images/icones/chargement.gif' alt='chargement' />";
	texte = "<div class='texte'>"+texte+"</div>";

	switch(etat)
	{
		case 0://état normal
			window.document.getElementById("retourMessage").style.background = window.document.getElementById("page").style.background;
			window.document.getElementById("retourMessage").style.border = "0px solid red";
			window.document.getElementById("retourMessage").innerHTML = "";
			break;
		case 1://chargement
			window.document.getElementById("retourMessage").style.color = "blue";
			window.document.getElementById("retourMessage").style.background = "#FFFFFF";
			window.document.getElementById("retourMessage").style.border = "0px solid red";
			window.document.getElementById("retourMessage").innerHTML = imageChargement+texte;
			break;
		case 2:// réussi
			window.document.getElementById("retourMessage").style.color = "green";
			window.document.getElementById("retourMessage").style.background = "#D0FFD0";
			window.document.getElementById("retourMessage").style.border = "1px solid green";
			window.document.getElementById("retourMessage").innerHTML = imageFermer+imageReussi+texte;
			break;
		case 3:// échoué
			window.document.getElementById("retourMessage").style.color = "red";
			window.document.getElementById("retourMessage").style.background = "#FFD0D0";
			window.document.getElementById("retourMessage").style.border = "1px solid red";
			window.document.getElementById("retourMessage").innerHTML = imageFermer+imageErreur+texte;
			break;
		default://erreur
			window.document.getElementById("retourMessage").style.color = "red";
			window.document.getElementById("retourMessage").style.background = "#FFD0D0";
			window.document.getElementById("retourMessage").style.border = "1px solid red";
			window.document.getElementById("retourMessage").innerHTML = imageFermer+imageErreur+"Problème inconnu";
			break;
	}
}


/* utilitaires */

function htmlentities (string, quote_style) {
    var hash_map = {}, symbol = '', tmp_str = '', entity = '';
    tmp_str = string.toString();    
    if (false === (hash_map = this.get_html_translation_table('HTML_ENTITIES', quote_style))) 
        return false;
    hash_map["'"] = '&#039;';    
	for (symbol in hash_map) 
	{
        entity = hash_map[symbol];
        tmp_str = tmp_str.split(symbol).join(entity);
    }
    return tmp_str;
}

function get_html_translation_table (table, quote_style) 
{
    var entities = {}, hash_map = {}, decimal = 0, symbol = '';    var constMappingTable = {}, constMappingQuoteStyle = {};
    var useTable = {}, useQuoteStyle = {};
    
    // Translate arguments
    constMappingTable[0]      = 'HTML_SPECIALCHARS';    constMappingTable[1]      = 'HTML_ENTITIES';
    constMappingQuoteStyle[0] = 'ENT_NOQUOTES';
    constMappingQuoteStyle[2] = 'ENT_COMPAT';
    constMappingQuoteStyle[3] = 'ENT_QUOTES';
     useTable       = !isNaN(table) ? constMappingTable[table] : table ? table.toUpperCase() : 'HTML_SPECIALCHARS';
    useQuoteStyle = !isNaN(quote_style) ? constMappingQuoteStyle[quote_style] : quote_style ? quote_style.toUpperCase() : 'ENT_COMPAT';
 
    if (useTable !== 'HTML_SPECIALCHARS' && useTable !== 'HTML_ENTITIES') {
        throw new Error("Table: "+useTable+' not supported'); // return false;
    }
 
    entities['38'] = '&amp;';
    if (useTable === 'HTML_ENTITIES') {        
		entities['160'] = '&nbsp;';
        entities['161'] = '&iexcl;';
        entities['162'] = '&cent;';
        entities['163'] = '&pound;';
        entities['164'] = '&curren;';        
		entities['165'] = '&yen;';
        entities['166'] = '&brvbar;';
        entities['167'] = '&sect;';
        entities['168'] = '&uml;';
        entities['169'] = '&copy;';        
		entities['170'] = '&ordf;';
        entities['171'] = '&laquo;';
        entities['172'] = '&not;';
        entities['173'] = '&shy;';
        entities['174'] = '&reg;';        
		entities['175'] = '&macr;';
        entities['176'] = '&deg;';
        entities['177'] = '&plusmn;';
        entities['178'] = '&sup2;';
        entities['179'] = '&sup3;';        
		entities['180'] = '&acute;';
        entities['181'] = '&micro;';
        entities['182'] = '&para;';
        entities['183'] = '&middot;';
        entities['184'] = '&cedil;';        
		entities['185'] = '&sup1;';
        entities['186'] = '&ordm;';
        entities['187'] = '&raquo;';
        entities['188'] = '&frac14;';
        entities['189'] = '&frac12;';        
		entities['190'] = '&frac34;';
        entities['191'] = '&iquest;';
        entities['192'] = '&Agrave;';
        entities['193'] = '&Aacute;';
        entities['194'] = '&Acirc;';        
		entities['195'] = '&Atilde;';
        entities['196'] = '&Auml;';
        entities['197'] = '&Aring;';
        entities['198'] = '&AElig;';
        entities['199'] = '&Ccedil;';        
		entities['200'] = '&Egrave;';
        entities['201'] = '&Eacute;';
        entities['202'] = '&Ecirc;';
        entities['203'] = '&Euml;';
        entities['204'] = '&Igrave;';        
		entities['205'] = '&Iacute;';
        entities['206'] = '&Icirc;';
        entities['207'] = '&Iuml;';
        entities['208'] = '&ETH;';
        entities['209'] = '&Ntilde;';        
		entities['210'] = '&Ograve;';
        entities['211'] = '&Oacute;';
        entities['212'] = '&Ocirc;';
        entities['213'] = '&Otilde;';
        entities['214'] = '&Ouml;';        
		entities['215'] = '&times;';
        entities['216'] = '&Oslash;';
        entities['217'] = '&Ugrave;';
        entities['218'] = '&Uacute;';
        entities['219'] = '&Ucirc;';        
		entities['220'] = '&Uuml;';
        entities['221'] = '&Yacute;';
        entities['222'] = '&THORN;';
        entities['223'] = '&szlig;';
        entities['224'] = '&agrave;';        
		entities['225'] = '&aacute;';
        entities['226'] = '&acirc;';
        entities['227'] = '&atilde;';
        entities['228'] = '&auml;';
        entities['229'] = '&aring;';        
		entities['230'] = '&aelig;';
        entities['231'] = '&ccedil;';
        entities['232'] = '&egrave;';
        entities['233'] = '&eacute;';
        entities['234'] = '&ecirc;';        
		entities['235'] = '&euml;';
        entities['236'] = '&igrave;';
        entities['237'] = '&iacute;';
        entities['238'] = '&icirc;';
        entities['239'] = '&iuml;';        
		entities['240'] = '&eth;';
        entities['241'] = '&ntilde;';
        entities['242'] = '&ograve;';
        entities['243'] = '&oacute;';
        entities['244'] = '&ocirc;';        
		entities['245'] = '&otilde;';
        entities['246'] = '&ouml;';
        entities['247'] = '&divide;';
        entities['248'] = '&oslash;';
        entities['249'] = '&ugrave;';        
		entities['250'] = '&uacute;';
        entities['251'] = '&ucirc;';
        entities['252'] = '&uuml;';
        entities['253'] = '&yacute;';
        entities['254'] = '&thorn;';        
		entities['255'] = '&yuml;';
    }
 
    if (useQuoteStyle !== 'ENT_NOQUOTES')
        entities['34'] = '&quot;';
    if (useQuoteStyle === 'ENT_QUOTES')
        entities['39'] = '&#39;';

	entities['60'] = '&lt;';    
	entities['62'] = '&gt;';

    // ascii decimals to real symbols
    for (decimal in entities) {        
		symbol = String.fromCharCode(decimal);
        hash_map[symbol] = entities[decimal];
    }
    return hash_map;
}

function addEvent(obj, evType, fn)
{ 
	if (obj.addEventListener)
	{ 
		obj.addEventListener(evType, fn, false); 
		return true; 
	}
	else if (obj.attachEvent)
		return obj.attachEvent("on"+evType, fn); 
	else 
		return false;  
}

function removeEvent(obj, evType, fn)
{ 
	if (obj.removeEventListener)
	{ 
		obj.removeEventListener(evType, fn, false); 
		return true; 
	}
	else if (obj.detachEvent)
		return obj.detachEvent("on"+evType, fn); 
	else 
		return false;  
}

function hasClass(ele,cls) 
{
	return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
}
 
function addClass(ele,cls) 
{
	if (!this.hasClass(ele,cls))
		ele.className += " "+cls;
}
 
function removeClass(ele,cls) 
{
	if (hasClass(ele,cls)) 
	{
    	var reg = new RegExp('(\\s|^)'+cls+'(\\s|$)');
		ele.className=ele.className.replace(reg,' ');
	}
}