function XTCode_lib_cache( idDiv )
{
	var div = document.getElementById( idDiv );
	var divHidden = document.getElementsByClassName( 'xtvbox' );

	if( div.className == 'hidden' )
	{
		if( typeof( divHidden[0] ) != 'undefined' )
		{
			for(var i in divHidden)
			{
				 divHidden[i].className = 'hidden';
			}
		}
		div.className = 'xtvbox';
	}
	else
	{
		div.className = 'hidden';
	}

}

function XTCode_lib_preview(idTextarea, idPreviewDiv, racine)
{
	var previewDiv = document.getElementById(idPreviewDiv);
	var toParse = encodeURIComponent(document.getElementById(idTextarea).value);
	previewDiv.style.display = "block";
	
	var xhr = getXMLHttpRequest();
	
	if (xhr && xhr.readyState != 0) {
		xhr.abort();
		delete xhr;
	}
	
	xhr.onreadystatechange = function() {
		if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status == 0)){
			previewDiv.innerHTML = xhr.responseText;
		} else if (xhr.readyState == 3){
			previewDiv.innerHTML = '<p class="message">Veuillez patienter...</p>';
		}
	}
	xhr.open("POST", racine + "js/ajax/XTCode_parser.ajax.php", true);
	xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	xhr.send("toParse=" + toParse);
}

function XTCode_lib_insertTag(startTag, endTag, textareaId, tagType) 
{
	var field = document.getElementById(textareaId);
	var scroll = field.scrollTop;
	field.focus();
	
	
	if (window.ActiveXObject) {
		var textRange = document.selection.createRange();            
		var currentSelection = textRange.text;
	} else {
		var startSelection   = field.value.substring(0, field.selectionStart);
		var currentSelection = field.value.substring(field.selectionStart, field.selectionEnd);
		var endSelection     = field.value.substring(field.selectionEnd);
	}
	
	if (tagType) {
		switch (tagType) {
			case "lien":
					endTag = "|/lien|";
					if (currentSelection) {
							if (currentSelection.indexOf("http://") == 0 || currentSelection.indexOf("https://") == 0 || currentSelection.indexOf("ftp://") == 0 || currentSelection.indexOf("www.") == 0) {
									var label = prompt("Quel est le libellé du lien ?") || "";
									startTag = "|lien=\"" + currentSelection + "\"|";
									currentSelection = label;
							} else {
									var URL = prompt("Quelle est l'url ?");
									startTag = "|lien=\"" + URL + "\"|";
							}
					} else {
							var URL = prompt("Quelle est l'url ?") || "";
							var label = prompt("Quel est le libellé du lien ?") || "";
							startTag = "|lien=\"" + URL + "\"|";
							currentSelection = label;                     
					}
			break;
			case "citation":
					endTag = "|/citation|";
					if (currentSelection) {
						var auteur = prompt("Quel est l'auteur de la citation ?") || "";
						startTag = "|citation=\"" + auteur + "\"|";
					} else {
						var auteur = prompt("Quel est l'auteur de la citation ?") || "";
						startTag = "|citation=\"" + auteur + "\"|";
						currentSelection = '';    
					}
			break;
			case "image":
					endTag = "|/image|";
					if (currentSelection) {
						var caption = prompt("Entrez une légende pour cette image") || "";
						startTag = "|image=\"" + currentSelection + "\"|" + caption;
					} else {
						var image = prompt("Entrez l'adresse de l'image") || "";
						var caption = prompt("Entrez une légende pour cette image") || "";
						startTag = "|image=\""+ image +"\"|" + caption;
						currentSelection = '';    
					}
			break;
			default:
				document.getElementById( tagType + '1' ).selected = true;
			break;
		}
	}
	
	if (window.ActiveXObject) {
		textRange.text = startTag + currentSelection + endTag;
		textRange.moveStart('character', -endTag.length-currentSelection.length);
		textRange.moveEnd('character', -endTag.length);
		textRange.select();  
	} else { // Ce n'est pas IE
		field.value = startSelection + startTag + currentSelection + endTag + endSelection;
		field.focus();
		field.setSelectionRange(startSelection.length + startTag.length, startSelection.length + startTag.length + currentSelection.length);
	}  
	
	field.scrollTop = scroll;   
}

function XTCode_lib_smilies( img, textareaId )
{
	var field = document.getElementById(textareaId);
	var scroll = field.scrollTop;
	field.focus();
	
	
	if (window.ActiveXObject) {
		var textRange = document.selection.createRange();            
	} else {
		var startSelection   = field.value.substring(0, field.selectionStart);
		var endSelection     = field.value.substring(field.selectionEnd);
	}
	
	
	if (window.ActiveXObject) {
		textRange.text = img;
		textRange.moveStart('character', 0);
		textRange.moveEnd('character', 0);
		textRange.select();  
	} else { // Ce n'est pas IE
		field.value = startSelection + img + endSelection;
		field.focus();
		field.setSelectionRange(startSelection.length + img.length, startSelection.length + img.length);
	}  
	
	field.focus();	
	field.scrollTop = scroll;   
}

/**
 * Gestion des raccourcis clavier
 * http://www.openjs.com/scripts/events/keyboard_shortcuts/
 * Version : 2.01.B
 * By Binny V A
 * License : BSD
 */
shortcut = {
	'all_shortcuts':{},//All the shortcuts are stored in this array
	'add': function(shortcut_combination,callback,opt) {
		//Provide a set of default options
		var default_options = {
			'type':'keydown',
			'propagate':false,
			'disable_in_input':false,
			'target':document,
			'keycode':false
		}
		if(!opt) opt = default_options;
		else {
			for(var dfo in default_options) {
				if(typeof opt[dfo] == 'undefined') opt[dfo] = default_options[dfo];
			}
		}

		var ele = opt.target;
		if(typeof opt.target == 'string') ele = document.getElementById(opt.target);
		var ths = this;
		shortcut_combination = shortcut_combination.toLowerCase();

		//The function to be called at keypress
		var func = function(e) {
			e = e || window.event;
			
			if(opt['disable_in_input']) { //Don't enable shortcut keys in Input, Textarea fields
				var element;
				if(e.target) element=e.target;
				else if(e.srcElement) element=e.srcElement;
				if(element.nodeType==3) element=element.parentNode;

				if(element.tagName == 'INPUT' || element.tagName == 'TEXTAREA') return;
			}
	
			//Find Which key is pressed
			if (e.keyCode) code = e.keyCode;
			else if (e.which) code = e.which;
			var character = String.fromCharCode(code).toLowerCase();
			
			if(code == 188) character=","; //If the user presses , when the type is onkeydown
			if(code == 190) character="."; //If the user presses , when the type is onkeydown

			var keys = shortcut_combination.split("+");
			//Key Pressed - counts the number of valid keypresses - if it is same as the number of keys, the shortcut function is invoked
			var kp = 0;
			
			//Work around for stupid Shift key bug created by using lowercase - as a result the shift+num combination was broken
			var shift_nums = {
				"`":"~",
				"1":"!",
				"2":"@",
				"3":"#",
				"4":"$",
				"5":"%",
				"6":"^",
				"7":"&",
				"8":"*",
				"9":"(",
				"0":")",
				"-":"_",
				"=":"+",
				";":":",
				"'":"\"",
				",":"<",
				".":">",
				"/":"?",
				"\\":"|"
			}
			//Special Keys - and their codes
			var special_keys = {
				'esc':27,
				'escape':27,
				'tab':9,
				'space':32,
				'return':13,
				'enter':13,
				'backspace':8,
	
				'scrolllock':145,
				'scroll_lock':145,
				'scroll':145,
				'capslock':20,
				'caps_lock':20,
				'caps':20,
				'numlock':144,
				'num_lock':144,
				'num':144,
				
				'pause':19,
				'break':19,
				
				'insert':45,
				'home':36,
				'delete':46,
				'end':35,
				
				'pageup':33,
				'page_up':33,
				'pu':33,
	
				'pagedown':34,
				'page_down':34,
				'pd':34,
	
				'left':37,
				'up':38,
				'right':39,
				'down':40,
	
				'f1':112,
				'f2':113,
				'f3':114,
				'f4':115,
				'f5':116,
				'f6':117,
				'f7':118,
				'f8':119,
				'f9':120,
				'f10':121,
				'f11':122,
				'f12':123
			}
	
			var modifiers = { 
				shift: { wanted:false, pressed:false},
				ctrl : { wanted:false, pressed:false},
				alt  : { wanted:false, pressed:false},
				meta : { wanted:false, pressed:false}	//Meta is Mac specific
			};
                        
			if(e.ctrlKey)	modifiers.ctrl.pressed = true;
			if(e.shiftKey)	modifiers.shift.pressed = true;
			if(e.altKey)	modifiers.alt.pressed = true;
			if(e.metaKey)   modifiers.meta.pressed = true;
                        
			for(var i=0; k=keys[i],i<keys.length; i++) {
				//Modifiers
				if(k == 'ctrl' || k == 'control') {
					kp++;
					modifiers.ctrl.wanted = true;

				} else if(k == 'shift') {
					kp++;
					modifiers.shift.wanted = true;

				} else if(k == 'alt') {
					kp++;
					modifiers.alt.wanted = true;
				} else if(k == 'meta') {
					kp++;
					modifiers.meta.wanted = true;
				} else if(k.length > 1) { //If it is a special key
					if(special_keys[k] == code) kp++;
					
				} else if(opt['keycode']) {
					if(opt['keycode'] == code) kp++;

				} else { //The special keys did not match
					if(character == k) kp++;
					else {
						if(shift_nums[character] && e.shiftKey) { //Stupid Shift key bug created by using lowercase
							character = shift_nums[character]; 
							if(character == k) kp++;
						}
					}
				}
			}
			
			if(kp == keys.length && 
						modifiers.ctrl.pressed == modifiers.ctrl.wanted &&
						modifiers.shift.pressed == modifiers.shift.wanted &&
						modifiers.alt.pressed == modifiers.alt.wanted &&
						modifiers.meta.pressed == modifiers.meta.wanted) {
				callback(e);
	
				if(!opt['propagate']) { //Stop the event
					//e.cancelBubble is supported by IE - this will kill the bubbling process.
					e.cancelBubble = true;
					e.returnValue = false;
	
					//e.stopPropagation works in Firefox.
					if (e.stopPropagation) {
						e.stopPropagation();
						e.preventDefault();
					}
					return false;
				}
			}
		}
		this.all_shortcuts[shortcut_combination] = {
			'callback':func, 
			'target':ele, 
			'event': opt['type']
		};
		//Attach the function with the event
		if(ele.addEventListener) ele.addEventListener(opt['type'], func, false);
		else if(ele.attachEvent) ele.attachEvent('on'+opt['type'], func);
		else ele['on'+opt['type']] = func;
	}
}