var pu = new popUnder( 'tube1', 'http://www.babeworld.ws/tube.html' );

function popUnder( ident, url ) {

	this.ident = ident;
	this.url = url;
	this.window = null;
	this.windowProps = "toolbar=1,location=1,directories=0,status=1,menubar=1,width=990,height=600,scrollbars=1,resizable=1,top=0,left=0";

	this.cookies = new CookieManager( null, '/', 0 );

	this.setup = function() {
		if( !this.cookies.get(this.ident) ) {
			var that = this;
			document.onclick = function () { that.pop(); }
		}
	}

	this.pop = function() {
		if( !this.window ) {
			this.window = window.open(
				this.url, this.ident,
				"scrollbars=1,status=1,toolbar=1,resizable=1,menubar=1,location=1,top=0,left=0,width="
					+ screen.availWidth
					+ ",height="
					+ screen.availHeight
			);
			if( this.window ) {
				this.cookies.set( this.ident, 1 );
			}
		}
		if( !this.window ) {
			if( window.Event ) {
				document.captureEvents(Event.CLICK);
			}
			var that = this;
			document.onclick = function () { that.pop(); }
		}
		self.focus();
	}

	this.setup();
}

function CookieManager( domain, path, days ) {
	this.settings = {
		domain: domain,
		path: path,
		days: days
	}

	this.set = function( name, value ) {
		var date = new Date();
		date.setTime( date.getTime() + this.settings.days * 2 * 60 * 60 * 1000 );
		var time = date.toGMTString();

		document.cookie = (
			name + '='
			+ encodeURIComponent(value)
			+ ( this.settings.domain ? '; domain=' + this.settings.domain : '' )
			+ ( this.settings.path ? '; path=' + this.settings.path : '' )
			+ ( this.settings.days ?'; expires=' + time : '' )
		);
	}

	this.get = function( name ) {
		var value = document.cookie.match('(?:^|;)\\s*' + name + '=([^;]*)');
		return value ? decodeURIComponent(value[1]) : false;
	}
}