/****
 Description : JS for registrar
 @created    : 2008-08-20
 @Author     : Mario Diaz (4fb)
 ****/
// for preloading images:
var aTmpPreload = new Array();
var confirm_privacy = false;

/**
 * preloads images:
 * @param aImgArr
 * @return void
 */
function preloadImages(aImgArr){
	iStart = aTmpPreload.length;
	for (i = 0; i < aImgArr.length; i++) {
		aTmpPreload[iStart + i] = new Image();
		aTmpPreload[iStart + i].src = aImgArr[i];
	}
}


var iCurrHeaderImg = 0;
/**
 * change Header img
 * about every 30 secs
 * @return void
 */
function changeHeaderImg(){
	if (!aHeaderImages) {
		// ignore
	}
	else 
		if (aHeaderImages.length > 1) {
			iCurrHeaderImg = ((iCurrHeaderImg + 1) % aHeaderImages.length);
			document.getElementById('header_img').src = aHeaderImages[iCurrHeaderImg];
			setTimeout("changeHeaderImg ()", iHeaderMilliSecs);
		}
}


/**
 * changes img (mouse over)
 * @param string sXhtmlId
 * @param int iImg
 * @param int iState
 * @return void
 */
function changeImg(sXhtmlId, iImg, iState){
	if (document.getElementById(sXhtmlId)) {
		sImg = (iState == 0) ? aImagesOver[iImg] : aImagesOut[iImg];
		document.getElementById(sXhtmlId).src = sImg;
	}
}



/**
 * changes display of news (main site) and changes styles of buttons
 * @param int iNo
 * @return void
 */
function changeNewsDisplay(iNo){
	if (iNo == 0) {
		document.getElementById('news_further').style.display = 'none';
		document.getElementById('news_main').style.display = 'block';
		document.getElementById('a_news_main').className = 'a_active';
		document.getElementById('a_news_further').className = 'a_inactive';
	}
	else {
		document.getElementById('news_further').style.display = 'inline';
		document.getElementById('news_main').style.display = 'none';
		document.getElementById('a_news_main').className = 'a_inactive';
		document.getElementById('a_news_further').className = 'a_active';
	}
}


/**
 * handles mouseover/out effects for product teaser (could have been in html-tpl)
 * @param int iState
 * @return void
 */
function changeDisplayProductTeaser(iState){
	oLayer = document.getElementById('product_teaser');
	if (iState == 0) { // mouse over
		oLayer.style.backgroundColor = '#F0A95B';
		oLayer.style.cursor = 'pointer';
		document.getElementById('img_product_teaser').src = 'upload/zimages/button_produkt.gif';
	}
	else { // mouse out
		oLayer.style.backgroundColor = '#CFD5D6';
		document.getElementById('img_product_teaser').src = 'upload/zimages/button_produkt_2.gif';
	}
}



/* *** business meetings start site *** */
// save states to array
var aBmStates = new Array();
// how many are displayed yet:
var iBmCount = 7;

/**
 * shows further 7 meetings
 * @return void
 */
function showFurtherBMs(){
	// document.getElementById('bm_default').style.display = 'none';
	document.getElementById('a_bm_default').className = '';
	document.getElementById('a_bm_further').className = 'a_active';
	document.getElementById('bm_link_show_all').style.display = 'block';
	iTmp = iBmCount;
	iScrollBy = 0;
	for (i = iTmp; i < iTmp + 7; i++) {
		if (!document.getElementById('bm_item_' + i)) {
			break;
		}
		document.getElementById('bm_item_' + i).style.display = 'inline';
		iBmCount++;
		iScrollBy++;
	}
	window.scrollBy(0, (iScrollBy * 25));
}


/**
 * shows 7 meetings less
 * @return void
 */
function showLessBMs(){
	document.getElementById('a_bm_default').className = 'a_active';
	document.getElementById('a_bm_further').className = '';
	document.getElementById('bm_link_show_all').style.display = 'none';
	for (i = 7; i < 14; i++) {
		if (!document.getElementById('bm_item_' + i)) {
			break;
		}
		document.getElementById('bm_item_' + i).style.display = 'none';
		iBmCount--;
	}
}


// which one is opened (see showBmDetails (iNo))
var iBmOpened = -1;

/**
 * shows details for one bm
 * @param int iNo
 * @return void
 */
function showBmDetails(iNo){
	// new: hide other not closed:
	if (iBmOpened != -1 && iBmOpened != iNo) {
		aBmStates[iBmOpened] = !aBmStates[iBmOpened];
		document.getElementById('img_bm_details_' + iBmOpened).src = (aBmStates[iBmOpened]) ? 'upload/zimages/button_link_to_bottom.gif' : 'upload/zimages/button_link.gif';
		document.getElementById('bm_details_' + iBmOpened).style.display = (aBmStates[iBmOpened]) ? 'block' : 'none';
		document.getElementById('bm_row_' + iBmOpened).style.backgroundColor = (aBmStates[iBmOpened]) ? '#c5cccd' : '#FFFFFF';
		document.getElementById('img_bm_details_' + iBmOpened).style.backgroundColor = (aBmStates[iBmOpened]) ? '#c5cccd' : '#FFFFFF';
	}
	else 
		if (iBmOpened == iNo) {
			iBmOpened = -1;
		}
	if (!aBmStates[iNo]) {
		aBmStates[iNo] = true;
	}
	else {
		aBmStates[iNo] = !aBmStates[iNo];
	}
	if (aBmStates[iNo]) {
		iBmOpened = iNo;
	}
	document.getElementById('img_bm_details_' + iNo).src = (aBmStates[iNo]) ? 'upload/zimages/button_link_to_bottom.gif' : 'upload/zimages/button_link.gif';
	document.getElementById('bm_details_' + iNo).style.display = (aBmStates[iNo]) ? 'block' : 'none';
	document.getElementById('bm_row_' + iNo).style.backgroundColor = (aBmStates[iNo]) ? '#c5cccd' : '#FFFFFF';
	document.getElementById('img_bm_details_' + iNo).style.backgroundColor = (aBmStates[iNo]) ? '#c5cccd' : '#FFFFFF';
	if (aBmStates[iNo] && iNo != 0) { // a trick
		document.getElementById('bm_row_' + iNo).style.borderTop = "1px solid #EDEFEE";
	}
}


/**
 * handles mouseover/mouseout for show details link
 * @param int iState (over/out)
 * @param int iNo
 * @return void
 */
function handleMouseBmDetailsLink(iState, iNo){
	if (iState == 0) { // over 
		document.getElementById('img_bm_details_' + iNo).src = 'upload/zimages/button_link_over.gif';
	}
	else {
		sImg = (aBmStates[iNo]) ? 'upload/zimages/button_link_to_bottom.gif' : 'upload/zimages/button_link.gif';
		document.getElementById('img_bm_details_' + iNo).src = sImg;
	}
}


/** 
 * mouseover/out effect for rows: two layers
 * @param sId1
 * @param sId2
 * @param bool bOver
 * @return void
 */
function lightBlueEffect(sId1, sId2, bOver){
	/*
	 if (bOver) {
	 document.getElementById(sId1).style.backgroundColor = '#cce8ff';
	 document.getElementById(sId2).style.backgroundColor = '#cce8ff';
	 } else {
	 //if (!aBmStates[iNo]) {
	 document.getElementById(sId1).style.backgroundColor = '#FFFFFF';
	 document.getElementById(sId2).style.backgroundColor = '#FFFFFF';
	 //}
	 }
	 */
}