/*_______________________________________________________________________
 | 
 | Module owner  : Digital sun productions (http://www.digsun.com)
 | Created (by)  : Pär Nordlund
 |               : 2006-06-19
 | Modified (by) : ______ ___________ 
 |               : xxxx-xx-xx
 | 
 | Description   : Common java functions.
 |
 | License       : This file is created and owned by the Digital sun productions network
 |                 and may not be disseminated outside the organisation without persmission.
 |                 Contact sales@digsun.com for questions regarding licence.
 | 
  ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ*/


var working 			= false;
var current_element 	= null;
var motion_speed		= 50;

var container			= null;

var container_width	= 750;

function toggle_visibility(id) {
  	id = document.getElementById(id);

	var vs = id.style.visibility;

	if (!vs || vs == "hidden") {
		id.style.visibility = "visible";
	} else {
		id.style.visibility = "hidden";
	}
	
}

function toggle_display(id, visible) {
	if (!visible) visible = "block";
  	id = document.getElementById(id);

	var vs = id.style.display;

	if (!vs || vs == "none") {
		id.style.display = visible;
	} else {
		id.style.display = "none";
	}
	
}

function toggle_menu(_id, visible) {
	if (!visible) visible = "block";
  	id = document.getElementById(_id);
	pcont = document.getElementById("page_content_dyn");
	var vs = id.style.display;

	if (!vs || vs == "none") {
		id.style.display = visible;
		//pcont.style.display = "none";

		changeOpac(15, "page_content_dyn");
	} else {
		id.style.display = "none";
		//pcont.style.display = "block";


		changeOpac(100, "page_content_dyn");
	}
	
}

// Set display attribut for element.
function setDisplay(id_name, value)
{
  	id = document.getElementById(id_name);
	if (!id) return;
	id.style.display = value;
}

function setVisibility(id_name, value)
{
  	id = document.getElementById(id_name);
	if (!id) return;
	id.style.visibility = value;
}

function set_fullscreen(id) {



	var d = document.getElementById(id);
	var a = getPageSize();

	winW = a[2];	
	winH = a[3];
	

	
	
	d.style.position 	= "absolute";
	d.style.top		= "0px";	
	d.style.left		= "0px";	
	d.style.width		= winW + "px";
	d.style.height		= winH + "px";

	
}
function create_fullscreen_wnd(url) {

	var screenW = 640, screenH = 480;
	if (parseInt(navigator.appVersion)>3) {
		screenW = screen.width;
		screenH = screen.height;
	} else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion)==3 && navigator.javaEnabled()) {
		var jToolkit = java.awt.Toolkit.getDefaultToolkit();
		var jScreenSize = jToolkit.getScreenSize();
		screenW = jScreenSize.width;
		screenH = jScreenSize.height;
	}
	
	newwindow=window.open(url,"fullscreen_window","height=" + screenH + ",width=" + screenW + ", resizable = 1, status=0, fullscreen=1");
	if (window.focus) {
		newwindow.focus()
	}
	

}


function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}

	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}




function getPosition(elemID){
	if (typeof(elemID) == "string")	
		var offsetTrail = document.getElementById(elemID);
	else
		var offsetTrail = elemID;
	
	var offsetLeft = 0;
	var offsetTop = 0;

	while (offsetTrail){
		offsetLeft += offsetTrail.offsetLeft;
		offsetTop += offsetTrail.offsetTop;
		offsetTrail = offsetTrail.offsetParent;
	}
	if (navigator.userAgent.indexOf('Mac') != -1 && typeof document.body.leftMargin != 'undefined'){
		offsetLeft += document.body.leftMargin;
		offsetTop += document.body.topMargin;
	}
	return {left:offsetLeft,top:offsetTop};
}

function checkall(field, flag) {
	for (i = 0; i < field.length; i++)
	field[i].checked = flag ;
}