//-- auto init functions -- [begin]

function initBtns(active) {
	if (active) {
		active = active.split(',');
		var a = '';
		for (var i=0; i< active.length; i++) {
			a += '_' + active[i];
			if (i < active.length - 1) { a += '|'; }
		}
		var activeRE = new RegExp(a);
	}
	var btnRE = eval(/\/_btn\/btn_.+n\..{3,4}$/); //-- match (/_btn/btn_*_n.???)
	var tailRE = /n\..{3,4}$/; //-- match (n.???)
	var list = document.getElementsByTagName('img');
	for (var i=0; i<list.length; i++) {
		var trgt = list[i]
		if (!trgt.src.match(btnRE)) { continue; }
		var si = trgt.src.search(tailRE);
		var srcHead = trgt.src.substring(0,si);
		var srcTail = trgt.src.substring(si + 1);
		if (active && trgt.src.match(activeRE)) {
			trgt.src = srcHead+'a'+srcTail;
			continue;
		}
		var src = srcHead+'o'+srcTail;
		addTask(trgt,'onmouseover','setImgSrc(this,"'+src+'")');
		addTask(trgt,'onmouseout','setImgSrc(this,"'+trgt.src+'")');
		plImgSrc(src);
	}
}
function addRecomend(grp,id,src) {
	var idHead = 'r-'+grp+'_';
	var tbl = document.getElementById(idHead+'tbl');
	if (tbl.style.display == 'none') { tbl.style.display = ''; }
	var trgr = document.getElementById(idHead+id);
	var trgt = document.getElementById(idHead+'img');
	var path = trgt.src.substring(0,trgt.src.lastIndexOf('/') + 1);
	var src = path+src;
	addTask(trgr,'onmouseover','setImgSrc("'+trgt.id+'","'+src+'")');
	addTask(trgr,'onmouseout','setImgSrc("'+trgt.id+'","'+trgt.src+'")');
	plImgSrc(src);
}
function initTabs(id) {
	window.curTab = null;
	id = id.split(',');
	for (var i=0; i<id.length; i++) {
		var tt = 'tab-t_'+id[i];
		var tb = 'tab-b_'+id[i];
		var ti = 'tab-info_'+id[i];
		addTask(tt,'onmouseover','toggleTab("'+id[i]+'","o")');
		addTask(tb,'onmouseover','toggleTab("'+id[i]+'","o")');
		addTask(tt,'onmouseout','toggleTab("'+id[i]+'","n")');
		addTask(tb,'onmouseout','toggleTab("'+id[i]+'","n")');
		addTask(tt,'onclick','toggleTab("'+id[i]+'","a")');
		addTask(tb,'onclick','toggleTab("'+id[i]+'","a");jumpToTabs()');
	}
	toggleTab(id[0],'a');
}
function toggleTab(id,state,cTab) {
	if (typeof id == 'object') { id = id.id.substring(id.id.lastIndexOf('_') + 1) }
	if (!cTab && curTab && id == curTab) { return; }
	var tt = document.getElementById('tab-t_'+id);
	var tb = document.getElementById('tab-b_'+id);
	var ti = document.getElementById('tab-info_'+id);
	var c_txt = "#998833";
	var c_bg = "transparent";
	var c_b1 = "#eae5c8";
	var c_b2 = "#b8ae7a";
	if (state == 'o') {
		c_txt = "#4c4833";
		c_bg = "#f4ebbe";
		c_b1 = c_b2;
	} else if (state == 'a') {
		c_txt = "#4c4833";
		//c_bg = "#f4ebbe";
		c_b1 = c_b2;
		c_b2 = "white";
		if (curTab) {
			toggleTab(curTab,'n',true);
			document.getElementById('tab-info_'+curTab).style.display = 'none';
		}
		ti.style.display = '';
		curTab = id;
	}
	tt.style.color = c_txt;
	tt.style.backgroundColor = c_bg;
	tt.style.borderColor = c_b1+' '+c_b1+' '+c_b2+' '+c_b1;
	tb.style.color = c_txt;
	tb.style.backgroundColor = c_bg;
	tb.style.borderColor = c_b2+' '+c_b1+' '+c_b1+' '+c_b1;
}
//-- auto init functions -- [end]

function topOfPage() { window.scrollTo(0,0); }
function jumpToTabs() { window.scrollTo(0,document.getElementById('tabs-t').offsetTop); }

//-- core function -- [begin]

function addTask(who,event,task) {
	if (typeof who == 'string') { who = document.getElementById(who); }
	if (!who['_'+event]) {
		var f = '';
		if (who[event]) {
			f = who[event].toString().match(/{\s*(.+)\s*}\s*$/)[1];
			if (!f.match(/;$/)) { f += ';' };
		}
		who['_'+event] = f;
		who[event] = function() { eval(this['_'+event]); };
	}
	who['_'+event] += task;
	if (!who['_'+event].match(/;$/)) { who['_'+event] += ';' };
}

function setImgSrc(who,src) {
	if (typeof who == 'string') { who = document.getElementById(who); }
	who.src = src;
}

function plImgSrc(src) {
	var img = new Image();
	img.src = src;
}

//-- core function -- [end]