/**
 * This file contains standard functions used throughout the application.
 *
 * @author Herman Bredewoud
 * @version 1.00
 * @name Eventlistener Script
 */
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
var m_oEvent				= null;
var m_bWindowFocus			= true;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
*	This function will check the browser type used by the client.
*/
function EVENT_browserCheck() {
	var a_sNav_userAgent, a_sBrowser_type;

	a_sNav_userAgent = navigator.userAgent;

	this.isIE    = false;
	this.version = null;

	a_sBrowser_type = "MSIE";
	if ((i = a_sNav_userAgent.indexOf(a_sBrowser_type)) >= 0) {
		this.isIE = true;
		this.version = parseFloat(a_sNav_userAgent.substr(i + a_sBrowser_type.length));
		return;
	}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
*	This function will create all global event listeners.
*/
function EVENT_event() {
	//Will call the onload function for loading scripts after page has been loaded.
	if (typeof(window.onload) != 'function') {
		window.onload = EVENT_onload;
	}
	
	//Will call the onblur function when the window loses focus.
	if (typeof(document.onfocusout) != 'function' && document.onfocusout !== undefined) {
		document.onfocusout = EVENT_onblur;
	} else if (typeof(window.onblur) != 'function') {
		window.onblur = EVENT_onblur;
	}
	
	//Will call the onfocus function when the window gets the focus.
	if (typeof(document.onfocusin) != 'function' && document.onfocusin !== undefined) {
		document.onfocusin = EVENT_onfocus;
	} else if (typeof(window.onfocus) != 'function') {
		window.onfocus = EVENT_onfocus;
	}

	//Will check for onmouseover actions to be done.
	if (typeof(document.onmouseover) != 'function') {
		document.onmouseover = EVENT_onmouseover;
	}
	
	//Will check for onclick actions to be done.
	if (typeof(document.onclick) != 'function') {
		document.onclick = EVENT_onclick;
	}
	
	//Will check for onclick actions to be done.
	if (typeof(document.onmousedown) != 'function') {
		document.onmousedown = EVENT_onmousedown;
	}
	
	//Will check for onclick actions to be done.
	if (typeof(document.onmouseup) != 'function') {
		document.onmouseup = EVENT_onmouseup;
	}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
*	This function calls function that has te be run after the page has loaded.
*
*	@param object a_oEvent
*/
function EVENT_onload(a_oEvent) {
	//If the browser is Internet Explorer m_oEvent is the window.event.
	if (m_oBrowserType.isIE) {
		m_oEvent 	= window.event;
		a_oEvent 	= m_oEvent;
	}
	
	// Center the page.
//	func_center_vertical('layout_container_inside');

////// Pre-load images./////////////////////////////////////////////////////////////////
	//	EVENT_preLoadImages(CONF_getDir('dir_img_logos')+'logo.png');
	
////// Load files used for application plugins./////////////////////////////////////////
	// Load the optional javascripts.
	if (CONF_bIncPNGFix) OBJ_include_js(CONF_getDir('dir_javascripts')+'js_pngfix.js',true);	
	if (CONF_bIncSWFac) OBJ_include_js(CONF_getDir('dir_javascripts')+'js_swf_ac.js',true);
	if (CONF_bIncSWFac) OBJ_include_js(CONF_getDir('dir_javascripts')+'js_flash.js',false);
	
////////////////////////////////////////////////////////////////////////////////////////
	
}

/**
*	This function calls function that has te be run if the browser window onblur event is called.
*
*	@param object a_oEvent
*/
function EVENT_onblur(a_oEvent) {
	//If the browser is Internet Explorer m_oEvent is the window.event.
	if (m_oBrowserType.isIE) {
		m_oEvent 	= window.event;
		a_oEvent 	= m_oEvent;
	}
	
	// Set the window focus to false.
	m_bWindowFocus = false;
}

/**
*	This function calls function that has te be run if the browser window onfocus event is called.
*
*	@param object a_oEvent
*/
function EVENT_onfocus(a_oEvent) {
	//If the browser is Internet Explorer m_oEvent is the window.event.
	if (m_oBrowserType.isIE) {
		m_oEvent 	= window.event;
		a_oEvent 	= m_oEvent;
	}
	
	// Set the window focus to true.
	m_bWindowFocus = true;
}

/**
*	This function will check if on the mouseover an action needs to be done.
*
*	@param object a_oEvent
*/
function EVENT_onmouseover(a_oEvent) {
	if (m_oBrowserType.isIE) {
		a_oEvent = m_oEvent;
	}
	
	if (CONF_bIncMenuDropdown) MENU_DROPDOWN_search(a_oEvent);
}

/**
*	This function will check if on the onclick an action needs to be done.
*
*	@param object a_oEvent
*/
function EVENT_onclick(a_oEvent) {
	if (m_oBrowserType.isIE) {
		a_oEvent = m_oEvent;
	}
	
	// Set the window focus to true.
//	m_bWindowFocus = true;
}

/**
*	This function will check if on the onmousedown an action needs to be done.
*
*	@param object a_oEvent
*/
function EVENT_onmousedown(a_oEvent) {
	if (m_oBrowserType.isIE) {
		a_oEvent = m_oEvent;
	}
}

/**
*	This function will check if on the onmouseup an action needs to be done.
*
*	@param object a_oEvent
*/
function EVENT_onmouseup(a_oEvent) {
	if (m_oBrowserType.isIE) {
		a_oEvent = m_oEvent;
	}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
*	This funtion will return the target element on an event.
*
*	@param object a_oEvent
*/
function EVENT_getTargetElement(a_oEvent) {
	if (m_oBrowserType.isIE) {
		return a_oEvent.srcElement;
	}else{
		return a_oEvent.target;
	}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
*	This function will preload images. Unlimited number of source arguments may be given when calling this function.
*
*	@param string(s)
*/
function EVENT_preLoadImages() {
	if (CONF_bPreloadImage) {
		var oDoc = document;
		if (oDoc.images) {
			if (!oDoc.aPreloadImages) {
				oDoc.aPreloadImages = new Array();
			}
			
			var iPreloadCounter = oDoc.aPreloadImages.length;
			var oImageSrc = EVENT_preLoadImages.arguments;
			
			for (var i=0; i < oImageSrc.length; i++) {
				oDoc.aPreloadImages[iPreloadCounter] = new Image;
				oDoc.aPreloadImages[iPreloadCounter++].src = oImageSrc[i];
			}
		}
	}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
var m_oBrowserType = new EVENT_browserCheck();
//Run the event function for creating eventlisteners.
EVENT_event();