<!-- Dictionary files registration -->

/**
 * Helper functions for caching
 */

//Global variables for cache mechanism
var cache_d0;
var cache = [];
var tooSmall = false;
var fetches = 0;

/**
 * Shows a "Loading..." window and starts caching
 */
function loadStart() {
	//Build window
	cache_d0 = document.createElement("DIV");
	cache_d0.style.width = "150px";
	cache_d0.style.height = "50px";
	cache_d0.style.backgroundColor = "#FFFFFF";
	cache_d0.style.borderStyle = "Solid";
	cache_d0.style.borderWidth = "1px";
	cache_d0.style.borderColor = "#000000";
	cache_d0.style.position = "absolute";

	var winwidth, winheight;
	if (document.all) {
		winwidth = document.body.clientWidth;
		winheight = document.body.clientHeight;
	}
	else {
		winwidth = window.innerWidth;
		winheight = window.innerHeight;
	}

	if (winwidth < 970 || winheight < 580) {
		tooSmall = true;
		alert("Your current configuration may cause this application not to work properly.\nFirst, check that your screen resolution is at least 1024x768. If this message still apears you may try the following:\n - Maximize your browser's window\n - Remove/hide additional toolbars in your browser\n - Decrease your browser's text size (Select \"View\", then \"Text size\")");
	}

	cache_d0.style.left = (winwidth / 2 - 75) + "px";
	cache_d0.style.top = (winheight / 2 - 25) + "px";

	cache_d0.style.lineHeight = "50px";
	cache_d0.style.textAlign = "center";
	cache_d0.style.verticalAlign = "middle";
	cache_d0.dir = "ltr";

	cache_d0.innerHTML = "Loading VIC...";

	document.body.appendChild(cache_d0);

	//Create threads for caching and loading and time them
	setTimeout(cacheImages, 10);
	setTimeout(loadComputer, 1000);
}

/**
 * Caches the images used in the application
 */
function cacheImages() {
	var borders = [];
	borders.push("computer_bottom.gif");
	borders.push("computer_bottomleft.gif");
	borders.push("computer_bottomright.gif");
	borders.push("computer_left.gif");
	borders.push("computer_right.gif");
	borders.push("computer_top.gif");
	borders.push("computer_topleft.gif");
	borders.push("computer_topright.gif");
	borders.push("register_all.gif");

	var controls = [];
	controls.push("about_s.gif");
	controls.push("clear.gif");
	controls.push("execute.gif");
	controls.push("execute_dis.gif");
	controls.push("fetch.gif");
	controls.push("fetch_dis.gif");
	controls.push("help_s.gif");
	controls.push("load.gif");
	controls.push("p_about_s.gif");
	controls.push("p_execute.gif");
	controls.push("p_execute_dis.gif");
	controls.push("p_fetch.gif");
	controls.push("p_fetch_dis.gif");
	controls.push("p_help_s.gif");
	controls.push("p_load.gif");
	controls.push("p_reset.gif");
	controls.push("p_run.gif");
	controls.push("p_single.gif");
	controls.push("p_stop.gif");
	controls.push("p_clear.gif");
	controls.push("reset.gif");
	controls.push("run.gif");
	controls.push("separator.gif");
	controls.push("single.gif");
	controls.push("single_dis.gif");
	controls.push("stop.gif");

	for (var item in borders) {
		var image = new Image();
		image.src = "../Borders/" + borders[item];
		cache.push(image);
	}
	borders = null;
	for (var item in controls) {
		var image = new Image();
		image.src = IMAGES_DIR + controls[item];
		cache.push(image);
	}
	controls = null;
}

/**
 * Loads the application
 */
function loadComputer() {
	document.computer = new Computer(document.getElementById("computerContainer"));
	new ControlUnit(document.computer, document.getElementById("controlsContainer"));
	setTimeout(loadDone, 100);
}

/**
 * Removes the "Loading..." window
 */
function loadDone() {
	document.getElementById("tblTools").style.visibility = "visible";
	document.body.removeChild(cache_d0);
	document.getElementById("tblTools").style.width = "780px";
	loadHelp();
	if (loadPostedData)
		loadPostedData();
}

/**
 * Loads help frame
 */
function loadHelp() {
	document.body.style.overflow = "hidden";
	var help = document.getElementById("frmHelp");
	help.style.position = "Absolute";
	help.style.left = document.computer.width + 58;
	help.style.top = 0;
	var winW, winH;
	if (!document.all) {
		winW = window.innerWidth;
		winH = window.innerHeight;
	}
	else {
		winW = document.body.offsetWidth;
		winH = document.body.offsetHeight;
	}
	help.style.height = (winH) + "px";
	help.style.width = (winW - document.computer.width - 58) + "px";
	help.style.borderStyle = "None";
	help.style.display = "block";
	help.src = "../common/help.asp?lang=en";
	var _hide = function() { help.style.display = "none"; }
	setTimeout(_hide, 0);
}