var currentFontSize = 4;

function revertStyles(fontsize){
	currentFontSize = fontsize;
	changeFontSize(0);
}

function changeFontSize(sizeDifference){
	//get css font size
	var rule = getRuleByName("body.fs" + (currentFontSize + sizeDifference));
	if (rule){
		document.body.style.fontSize = rule.style.fontSize;
		currentFontSize = currentFontSize + sizeDifference;
		createCookie("FontSize", currentFontSize, 365);
	}
	return;
	
};

function getRuleByName(ruleName){
	for (i=0; i<document.styleSheets.length; i++){
		var style = document.styleSheets[i];
		var rules = style.cssRules?style.cssRules:style.rules;
		if (rules){
			for (j = 0; j<rules.length; j++){
				if (rules[j].selectorText.trim().toUpperCase() == ruleName.trim().toUpperCase()){
					return rules[j];
				}
			}
		}
	}
	return null;
}

function setActiveStyleSheet(title) {

	createCookie("ColorCSS", title, 365);
	window.location.reload();
	return;
}

function createCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}

function setScreenType(screentype){
	ument.body.className = bclass;
	createCookie("ScreenType", screentype, 365);
	window.location.reload();
	return;
}

String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ""); };

function changeToolHilite(oldtool, newtool) {
	if (oldtool != newtool) {
		if (oldtool) {
			oldtool.src = oldtool.src.replace(/-hilite/,'');
		}
		newtool.src = newtool.src.replace(/.gif$/,'-hilite.gif');
	}
}

//addEvent - attach a function to an event
function addEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } else if (obj.attachEvent){ 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } else { 
   return false; 
 } 
}

var jasdl_delay = 1000
var jasdl_current = null
var jasdl_recover = null
var jasdl_timeoutid = null
var jasdl_timetorecover = null
var jasdl_timeoutid2 = 0
function jasdl_initJAScriptDLMenu() {
	jasdl_current = jasdl_activemenu[0]
	mainlis = document.getElementById("jasdl-mainnav").getElementsByTagName("li")
	for (i=0; i<mainlis.length; ++i) {
		x = mainlis[i]
		jasdl_menuindex = x.id.substr(13)

		x._id = parseInt(jasdl_menuindex)
		x.onmouseover = jasdl_mouseOver
		
		x.onmouseout = jasdl_mouseOut

		subx = document.getElementById("jasdl-subnav"+jasdl_menuindex)
		if (subx)
		{
			if (jasdl_activemenu[0] && jasdl_menuindex == jasdl_activemenu[0]) {
				subx.style.display = "block"
			}else{
				subx.style.display = "none"
			}
			subx._id = jasdl_menuindex


			subx.onmouseover = jasdl_mouseOver

			subx.onmouseout = jasdl_mouseOut
		}

	}

	//Set active item
	if (jasdl_activemenu[0])
	{
		actitem = document.getElementById("jasdl-mainnav"+jasdl_activemenu[0].toString())
		if (actitem)
		{
			if (actitem.className) actitem.className += " active"; else actitem.className = "active";
		}	
		jasdl_recover = jasdl_activemenu[0]
	}
	if (jasdl_activemenu[1]) {
		actitem = document.getElementById("jasdl-subnavitem"+jasdl_activemenu[1].toString())
		if (actitem)
		{
			if (actitem.className) actitem.className += " active"; else actitem.className = "active";
		}	
	}
}

function jasdl_mouseOver () {
	jasdl_hide()
	jasdl_current = this._id
	jasdl_show()
	jasdl_clearTimeOut(jasdl_timeoutid)
}
function jasdl_mouseOut () {
	if (this._id != jasdl_current) return

	jasdl_timeoutid = setTimeout('jasdl_restore()', jasdl_delay)
}

function jasdl_restore () {
	jasdl_clearTimeOut(jasdl_timeoutid)
	jasdl_hide()
	if (jasdl_recover)
	{
		jasdl_current = jasdl_recover
		jasdl_show()
	}
}

function jasdl_setHover () {
	if (jasdl_current == jasdl_recover) return
	mainx = document.getElementById("jasdl-mainnav"+jasdl_current.toString())
	if (mainx)
		mainx.className += ' hover';
}

function jasdl_clearHover () {
	if (jasdl_current == jasdl_recover) return
	mainx = document.getElementById("jasdl-mainnav"+jasdl_current.toString())
	if (mainx)
		mainx.className = mainx.className.replace(/[ ]?hover/, '');
}

function jasdl_hide () {
	subx = document.getElementById("jasdl-subnav"+jasdl_current.toString())
	if (subx)
		subx.style.display = "none"
	jasdl_clearHover ()
}

function jasdl_show () {
	subx = document.getElementById("jasdl-subnav"+jasdl_current.toString())
	if (subx)
		subx.style.display = "block"
	jasdl_setHover ()
}

function jasdl_clearTimeOut(timeoutid){
	clearTimeout(timeoutid)
	timeoutid = 0
}

addEvent(window, 'load', jasdl_initJAScriptDLMenu)