/**
 * mod_fadepanel
 *
 * @version 1.0
 * @author Creative Pulse
 * @copyright Creative Pulse 2009
 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 * @link http://www.creativepulse.eu
 */

function Fadepanel(iname, wdg1_id, wdg1_move_id, wdg2_id, wdg2_move_id, interval, step, href, hpp) {
	this.iname = iname;
	this.interval = interval;
	this.step = step;
	this.href = href;
	this.hpp = hpp;
	this.progress = 0;
	this.state = 0;

	this.wdg1 = document.getElementById(wdg1_id);
	if (this.wdg1 && wdg1_move_id != '') {
		var srcwdg = document.getElementById(wdg1_move_id);
		if (srcwdg) {
			srcwdg.style.display = 'block';
			this.wdg1.appendChild(srcwdg);
		}
	}

	this.wdg2 = document.getElementById(wdg2_id);
	if (this.wdg2) {
		if (wdg2_move_id != '') {
			var srcwdg = document.getElementById(wdg2_move_id);
			if (srcwdg) {
				srcwdg.style.display = 'block';
				this.wdg2.appendChild(srcwdg);
			}
		}

		this.wdg2.setAttribute('iname', iname);
		this.wdg2.onmouseover = function() { document[this.getAttribute('iname')].h_mouseover(); }
		this.wdg2.onmouseout = function() { document[this.getAttribute('iname')].h_mouseout(); }
		this.wdg2.style.opacity = 0.01;
		this.wdg2.style.filter = 'alpha(opacity=1)';
		this.wdg2.style.display = 'block';

		if (this.href != '') {
			this.wdg2.style.cursor = 'pointer';
			this.wdg2.onclick = function() { window.location = document[this.getAttribute('iname')].href; }
		}
	}
}

Fadepanel.prototype.h_timer = function () {
	if (this.state == 2) {
		this.progress += this.step;
		if (this.progress > 100) {
			this.progress = 100;
			this.state = 1;
		}
	}
	else if (this.state == -1) {
		this.progress -= this.step;
		if (this.progress < 0) {
			this.progress = 0;
			this.state = 0;
		}
	}

	if (this.hpp) {
		var opacity = 100 - this.progress;
		if (opacity < 1)
			opacity = 1;
	
		this.wdg1.style.opacity = opacity / 100;
		this.wdg1.style.filter = 'alpha(opacity=' + opacity + ')';
	}

	var opacity = this.progress;
	if (opacity < 1)
		opacity = 1;

	this.wdg2.style.opacity = opacity / 100;
	this.wdg2.style.filter = 'alpha(opacity=' + opacity + ')';

	if (this.state == -1 || this.state == 2)
		setTimeout('document["' + this.iname + '"].h_timer()', this.interval);
}


Fadepanel.prototype.h_mouseover = function () {
	this.state = 2;
	this.h_timer();
}

Fadepanel.prototype.h_mouseout = function () {
	this.state = -1;
	this.h_timer();
}