if(!window.SQLRUForums) {
window.SQLRUForums = {
	myforums: {},
	collapsed: 0,
	imgs:  null,
	regs: {read: /myforums=([^;]+)(;|$)/, bid: /bid=(\d+)$/},
	events: {
		img: function (e) {
			if(SQLRUForums.collapsed){return;}
			e = e || window.event;
			e = e.target || e.srcElement;
			var r = e.parentNode.parentNode;
			SQLRUForums.setMyForums(r.idForum, !r.ismy);
			SQLRUForums.setRow(r, !r.ismy, true);
			SQLRUForums.Save();
		},
		imgo: function (e) {
			if(SQLRUForums.collapsed){return;}
			e = e || window.event;
			e = e.target || e.srcElement;
			e.style.borderLeftWidth = 1;
		},
		imgl: function (e) {
			if(SQLRUForums.collapsed){return;}
			e = e || window.event;
			e = e.target || e.srcElement;
			e.style.borderLeftWidth = 0;
		},
		collapse: function (e) {
			e = e || window.event;
			e = e.target || e.srcElement;
			SQLRUForums.setCollapsed(e.checked);
			SQLRUForums.Save();
		}
	},
	setCookie: function(v) { 
		document.cookie = "myforums=" + v +
        "; expires=" + new Date(new Date().getFullYear()+3, 10, 10, 0, 0, 0).toString() +
        "; path=/; domain=.sql.ru;";
	},
	Save: function() {
		var i, a = [this.collapsed];
		for(i in this.myforums){a.push(i);}
		this.setCookie(a.join('|'));
	},
	Read: function() {
		this.myforums = {};
		this.collapsed = 0;
		if(this.regs.read.test(document.cookie)) {
			if((RegExp.$1).length === 0){return;}
			var a = (RegExp.$1).split('|');
			this.collapsed = parseInt(a[0]);
			for(var i=1; i<a.length; ++i) { this.myforums[a[i]] = 1; } 
		}
	},
	setCollapsed: function(c) {
		c = (c?1:0);
		if(c == this.collapsed){return;}
		this.collapsed = c;
		this.each(this.fnCollapse);
		this._setCollapse(this.collapsed);
	},
	setMyForums: function(id, b) {
		if(!id || (id == '')) { return; }
		if(b == (id in this.myforums)){return;}
		if(b) { this.myforums[id] = 1; } else { delete this.myforums[id]; }
	},
	setRow: function(r, b, p) {
		b = b?1:0;
		if(r.im) {
			if(p && (r.ismy != b)) {
				r.pr.mycount += (2*b-1);
				if((r.pr.mycount < 2) && (r.pr.className != this.cnHide[r.pr.mycount])) { 
					r.pr.className = this.cnHide[r.pr.mycount]; 
				}
			}
			r.im.style.cursor = this.imgCursors[this.collapsed];
			r.ismy = b;
			var j = this.newFolders[r.im.src]||0;
			r.im.src = this.imgs[(1-this.collapsed)&&b][j];
			
		}
		if(r.className != this.cnHide[b]) { r.className = this.cnHide[b]; }
	},
	each: function(fn) {
		var rows = this.table.rows;
		var i,c = this.table.rows.length;
		var pr = null;
		var oldr = null;
		for(i=1; i<c; ++i) {
			if(rows[i].cells.length == 1) { 
				if(oldr){fn.call(this, oldr, pr, true);}
				oldr = null;
				pr = rows[i]; 
			}
			else { 
				if(oldr){fn.call(this, oldr, pr, false);}
				oldr = rows[i]; 
			}
		}
		if(oldr){fn.call(this, oldr, pr, true);}
	},
	fnBegin: function(r, pr, last) {
		pr.mycount = pr.mycount||0;
		r.pr = pr;
		r.ismy = 0;
		r.im = r.cells[0].getElementsByTagName('img')[0];
		
		r.im.style.borderWidth = 0;
		r.im.style.borderStyle = 'solid';
		r.im.style.borderColor = '#eeeeee';
		r.im.onmouseover = this.events.imgo;
		r.im.onmouseout = this.events.imgl;
		
		r.im.onclick = this.events.img;
		var a = r.cells[1].getElementsByTagName('a')[0];
		if(this.regs.bid.test(a.href)) { r.idForum = RegExp.$1; }
		this.setRow(r, this.myforums[r.idForum]||0);
		if(r.ismy) { pr.mycount = pr.mycount+1; }
		if(last && !pr.mycount) { this.setRow(pr, 0); }
	},
	fnCollapse: function(r, pr, last) {
		this.setRow(r, r.ismy);
	},
	_setCollapse: function(b) {
	//	this.ssDN.disabled = (b == 0);
		this.table.tBodies[0].className = (b ? this.pcnHide : '');
	},
	Begin: function() {
		var path = 'http://www.sql.ru/forum/';
		this.imgs = [[path + 'templates/images/folder.gif', path + 'templates/images/folder_new.gif'],
			[path + 'members/115164.bmp', path + 'members/115164.png']];
		this.newFolders = {};
		this.newFolders[this.imgs[0][1]]=1;
		this.newFolders[this.imgs[1][1]]=1;
		this.imgCursors = ['pointer','default'];
		this.cnHide = ['sql-ru-myforums-hide',''];
		this.pcnHide = 'sql-ru-myforums-hide-pr';
		var tbls = document.getElementsByTagName('table');
		for(var i=0; i<tbls.length; ++i) {
			if(tbls[i].rows.length > 40) { this.table = tbls[i]; break; }
		}
		
		var style = document.createElement('style');
		document.getElementsByTagName('head')[0].appendChild(style);
		this.ssDN = document.styleSheets[document.styleSheets.length - 1];
		this._setCollapse(0);
		if(this.ssDN.addRule){this.ssDN.addRule('.' + this.pcnHide + ' .'+this.cnHide[0], 'display:none;');}
		else { if(this.ssDN.insertRule) {
				this.ssDN.insertRule('.' + this.pcnHide + ' .' + this.cnHide[0] + ' {display:none;}', 0);
			}}
		this.chb = document.createElement('input');
		this.chb.type = 'checkbox';
		this.chb.id = 'MyForumsChBVis';
		var lbl = document.createElement('label');
		lbl.setAttribute('for', 'MyForumsChBVis');
		lbl.innerHTML = '<b>Отображать только мои форумы</b>';
		
		var tab1 = this.table.parentNode.parentNode.parentNode.parentNode;
		this.chb.style.cursor = 'pointer';
		lbl.style.cursor = 'pointer';
		tab1.parentNode.insertBefore(this.chb, tab1);
		tab1.parentNode.insertBefore(lbl, tab1);
		this.chb.onclick = this.events.collapse;
		
		this.Read();
		this.chb.checked = (this.collapsed == 1);
		this.each(this.fnBegin);
		this._setCollapse(this.collapsed);
	}
};
SQLRUForums.Begin();
}