/* initialize site */
function init(){
	/* show the submenu for the current page */
	showSubMenu(_("MainMenu_Load").innerHTML);
	
	/* initialize the comment link */
	if(getCookie("HideComments")=="yes"){
		show(_("Comments_Show"));
	}else{
		show(_("Comments_Hide"));
		show(_("Comments"));
	}
	
	/* set name for comment form from cookie */
	var CommentName = getCookie("CommentName");
	
	if(CommentName){
		_("newCommentName").value = CommentName;
	}
	
	/* initialize the slider */
	var slider = _("slider");
	var sliderKnob = _("sliderKnob");

	if(slider && sliderKnob){
		new Slider(slider,sliderKnob,{
			steps: 1,
			range: [0],
			onChange: function(value){
				_("newCommentSlider").value = value;
				
				if(value==1){
					_("sliderKnob").style.backgroundColor = "rgb(121,148,112)";
				}else{
					_("sliderKnob").style.backgroundColor = "rgb(229,135,18)";
				}
			}
		});
	}
}

/* getElementsById */
function _(){
	var elements = new Array();
	
	for(var i=0;i<arguments.length;i++){
		var element = arguments[i];

		if(typeof element=="string"){
			element = document.getElementById(element);
		}

		if(arguments.length==1){
			return element;
		}

		elements.push(element);
	}

	return elements;
}

/* set opacity for element */
function setOpacity(object,opacity){
	if(object){
		var style = object.style;

		if(style){
			style.opacity = (opacity/100);
			style.MozOpacity = (opacity/100);
			style.KhtmlOpacity = (opacity/100);
			style.filter = "alpha(opacity="+opacity+");";
		}
	}
}

/* set class for element */
function changeClass(object,className){
	if(object && className){
		object.className = className;
	}
}

/* hide element */
function hide(object){
	if(object){
		object.style.display = "none";
	}
}

/* show element */
function show(object){
	if(object){
		object.style.display = "";
	}
}

/* set cooke */
function getCookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ';', len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}

/* set cooke */
function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+'='+escape( value ) +
		( ( expires ) ? ';expires='+expires_date.toGMTString() : '' ) + //expires.toGMTString()
		( ( path ) ? ';path=' + path : '' ) +
		( ( domain ) ? ';domain=' + domain : '' ) +
		( ( secure ) ? ';secure' : '' );
}

/* delete cookie */
function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) document.cookie = name + '=' +
			( ( path ) ? ';path=' + path : '') +
			( ( domain ) ? ';domain=' + domain : '' ) +
			';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}

/* select a node */
function selectNode (node) { 
	   var selection, range, doc, win; 
	   if ((doc = node.ownerDocument) && (win = doc.defaultView) && typeof 
	win.getSelection != 'undefined' && typeof doc.createRange != 'undefined' 
	&& (selection = window.getSelection()) && typeof 
	selection.removeAllRanges != 'undefined') { 
	     range = doc.createRange(); 
	     range.selectNode(node); 
	     selection.removeAllRanges(); 
	     selection.addRange(range); 
	   } 
	   else if (document.body && typeof document.body.createTextRange != 
	'undefined' && (range = document.body.createTextRange())) { 
	     range.moveToElementText(node); 
	     range.select(); 
	   } 
}