/**
 * ------------------------------------------------------------------------------
 * Global Variables
 * ------------------------------------------------------------------------------
 */


/**
 * foofoo
 * global variable to activate/deactivate the foofoo() sample function during
 * the dmcOnLoad event
 */
var foofoo = false;


/**
 * utmTrans
 * global variable to activate/deactivate the __utmSetTrans() function during
 * the dmcOnLoad event
 */
var utmTrans = false;


/**
 * popuphandler for the common openWindow function
 */
var popuphandler = null;


/**
 * ------------------------------------------------------------------------------
 * Global SET Functions
 * ------------------------------------------------------------------------------
 */


/**
 * set_foofoo()
 * setting the global foofoo sample variable to allow(true)/not allow(false) the dmcOnLoad() function
 * to call the sample __foofoo() function
 *
 * @access	public
 * @param	boolean	b_val
 * @return	void
 */
function set_foofoo( b_val ){
	foofoo = b_val;
}


/**
* setting the global utmTrans variable to allow(true)/not allow(false) the dmcOnLoad() function
* to call the Google Analytics __utmSetTrans() function
*
* @access	public
* @param	boolean	b_val
* @return	void
*/
function set_utmTrans( b_val ){
	utmTrans = b_val;
}


/**
 * ------------------------------------------------------------------------------
 * Body-Onload-Function
 * ------------------------------------------------------------------------------
 */


/**
 * dmcOnLoad()
 * calls specified functions for the body onLoad Event if the according global var is set to true
 * current function calls:
 * __utmSetTrans() - send the Google Analytics Form @ the basket checkout (wk step6) - according global variable: utmTrans
 * __foofoo() - sample for further function calls  - according global variable: foofoo
 *
 * @access	public
 * @return	void
 */
function dmcOnLoad() {

	//Google Analytics Form @ basket step 6
	if( utmTrans ){
		try{
			__utmSetTrans();
		}
		catch( dmc_exception ){
			/* do nothing */
		}
	}


	/*
	 * sample code for further dmcOnLoad function calls
	 *
	if( foo ){
		try{
			__foofoo();
		}
		catch( dmc_exception ){
			//do nothing ;-)
		}
	}
	 */
}





/**
 * ------------------------------------------------------------------------------
 * Graphical Button Function
 * ------------------------------------------------------------------------------
 */

/**
* toggles a image between two states
* call like this: onMouseOver="gfxToogle(this, 'active.gif', 'inactive.gif')" onMouseOut="gfxToogle(this, 'active.gif', 'inactive.gif')"
* image paths and current state are determined automatically.
*
* @access	public
* @param	object		gfx			a DOM object with a .src parameter
* @param	string		active		the filename (no path!) to the active-state image
* @param	string		inactive	the filename (no path!) to the inactive-state image
* @return	void
*/
function gfxToggle(gfx, active, inactive) {

	if (typeof gfx == 'object' && gfx.src) {

		var matches = gfx.src.match(/^(.*)\/([^\/]+)$/);

		switch (matches[2]) {
			case active:
				gfx.src = matches[1] + '/' + inactive;
				break;

			case inactive:
				gfx.src = matches[1] + '/' + active;
				break;

			default:
		} /* end: switch */
	} /* end: if */
}


/**
 * ------------------------------------------------------------------------------
 * layer functions
 * ------------------------------------------------------------------------------
 */

/**
 * appends events to dom objects
 *
 * @param object obj
 * @param string eventType
 * @param string functionName
 * @return boolean success indicator
 */
function addEvent(obj,eventType,functionName){
	if (obj.addEventListener) {
		obj.addEventListener(eventType, functionName, false);
		return true;
	} else if (obj.attachEvent) {
		retVal = obj.attachEvent('on'+eventType, functionName);
		return retVal;
	} else {
		return false;
	}
}

/**
 * closes/hides a div container
 *
 * @param string layername
 */
function closeLayer(layername) {
	var objlayer = document.getElementById(layername);
	if (objlayer) {
		objlayer.style.display = 'none';
	}
	return false;
}

/**
 * opens/shows a div container
 *
 * @param string layername
 */
function showLayer(layername) {
	var objlayer = document.getElementById(layername);
	if (objlayer) {
	   	objlayer.style.display = 'block';
	}
}




/**
 * ------------------------------------------------------------------------------
 * redirectOppener
 * ------------------------------------------------------------------------------
 */
function redirectOpener( url ) {

	if( opener ){
		opener.location.href=url;
		opener.focus();
	}
}

/**
 * ------------------------------------------------------------------------------
 * closeWindow
 * ------------------------------------------------------------------------------
 */
function closeWindow( win ) {

	if( typeof(win) === 'object' && win !== null ){
		win.close();
	} else {
		window.close();
	}
}

/**
 * ------------------------------------------------------------------------------
 * openWindow
 * ------------------------------------------------------------------------------
 */
function openWindow(url, name, parameter) {
	// Wenn ein Name uebergeben wird --> Voreinstellungen setzen
	if (name == "popup_normal") {
		var size = "width=400,height=400,screenX=200,screenY=30,resizable=yes,scrollbars=yes,status=no" + getTopLeft(520, 200);
	}

	if (name == "popup_small"){
		var size = "width=400,height=250,screenX=200,screenY=30,resizable=yes,scrollbars=yes,status=no"+ getTopLeft(520, 250);
	}

	if (name == "popup_large"){
		var size = "width=400,height=570,screenX=200,screenY=30,resizable=yes,scrollbars=yes,status=no"+ getTopLeft(520, 570);
	}

	if (name == "popup_300"){
		var size = "width=460,height=320,screenX=200,screenY=30,resizable=yes,scrollbars=yes,status=no"+ getTopLeft(520, 250);
	}

	if (name == "popup_400"){
		var size = "width=560,height=400,screenX=200,screenY=30,resizable=yes,scrollbars=yes,status=no"+ getTopLeft(520, 250);
	}

	if (name == "popup_printview"){
		var size = "width=750,height=500,screenX=200,screenY=30,resizable=no,scrollbars=yes,status=no,menubar=no"+ getTopLeft(520, 570);
	}

	if (name == "popup_lottery"){
		var size = "width=588,height=500,screenX=200,screenY=30,resizable=no,scrollbars=yes,status=no,menubar=no"+ getTopLeft(520, 570);
	}

	if (name == "popup_productview"){
		var size = "width=600,height=500,screenX=200,screenY=30,resizable=no,scrollbars=yes,status=no,menubar=no"+ getTopLeft(600, 500);
	}

	if (name == "popup_cookie") {
		var size = "width=580,height=320,screenX=200,screenY=30,resizable=no,scrollbars=yes,status=no,menubar=no"+ getTopLeft(600, 500);
	}

	if (name == "popup_productRecommend") {
		var size = "width=460,height=775,screenX=200,screenY=30,resizable=no,scrollbars=yes,status=no,menubar=no,toolbar=no,directories=no,location=no";
	}

	// Wenn ein Parameter uebergeben wird --> diesen uebernehmen
	if ( typeof(parameter) != 'undefined' ) {
		var size = parameter;
	}

	popuphandler = window.open(url,name,size);
	popuphandler.focus();
}

function getTopLeft(popupWidth, popupHeight){
	return ",top=" + (screen.height - popupHeight)/2 + ",left=" + (screen.width-popupWidth)/2;
}


/**
 * ------------------------------------------------------------------------------
 * absLeft
 * ------------------------------------------------------------------------------
 */
function absLeft(element) {
	return (element.offsetParent)?
	element.offsetLeft+absLeft(element.offsetParent) : element.offsetLeft;
}





/**
 * ------------------------------------------------------------------------------
 * Main Menue Hover for IE6
 * ------------------------------------------------------------------------------
 */

 sfHover = function() {
	if( document.getElementById("mainNav") ) {
		var sfEls = document.getElementById("mainNav").getElementsByTagName("LI");
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+=" sfhover";
			}
			sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			}
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


/**
* this is the JS version of the PHP function "function_exists()"
*
* @access	public
* @param	boolean
* @return	void
*/
function function_exists(function_name) {
    if (typeof function_name == 'string'){
        return(typeof this.window[function_name] == 'function');
    } else{
        return(function_name instanceof Function);
    }
}

/**
* Redirects the parent, opener or current window depending whethter
* the current window has been opened as popup, thickbox or normal.
* In case that the current window is a popup window and shall be closed
* immediatelly after redirection of the parent window, then `true` should be
* passed as second argument.
*
* @access	public
* @param	string		url					URL to redirect to.
* @param	boolean		closePopupWindow	If current window is popup then close it.
* @return	void
*/
function redirectMasterWindow(url, closePopupWindow) {
	var masterWindow = window;

	if (parent) {
		masterWindow = parent;
	} else if (opener) {
		masterWindow = opener;
	} // end: if

	masterWindow.location.href = url;

	if (opener && closePopupWindow) {
		window.close();
	} // end: if
} // end: function redirectMasterWindow