/**
 * functions for selecting more than 3 rooms if user is not logged in
 * get URL/selected values from parent (window.opener)
 *
 * Author Mario Diaz (4fb)
 * Created 2007-12-13
 */
 


 
/**
 * function for opening popup center
 * @param string sLocation
 * 
 */
function popWinCenter (sLocation) {
	document.getElementById('confirm_agb').style.display = 'inline';
	document.getElementById('confirm_agb_content').style.display = 'inline';
	hideSelects();
	prepareOverlay();
}


/**
 * calls hiding selects and adjusts height of overlay
 * @return void
 */
function prepareOverlay () {
	hideSelects();
	// TODO adjust overlay:
	if (!bMsie) {
		iHeightNew = document.height - 130;
	} else {
		if (document.getElementById('a_cancel_link_bottom')) {
			aTmp = findPos(document.getElementById('a_cancel_link_bottom'));
			iHeightNew = aTmp[1] - 97;
		} else {
			iHeightNew = document.body.scrollHeight - 130;
		}
	}
	oOverlayStyle = document.getElementById('confirm_agb').style;
	if (bMsie) {
		oOverlayStyle.height = iHeightNew;
	} else {
		oOverlayStyle.height = iHeightNew + "px";
	}
}


/**
 * for submitting hotellist view: check if choosen value == 'unlimited'
 * @return void
 */
function submitHotelList () {
	sValue = selectValue (document.forms['frmSearch_Hotel'].count_rooms);
	if (sValue != 'unlimited' || bLogged) {
		bCanSubmit = true;
		if (sBookingKind != "new_contingent" && bLogged && sValue == 'unlimited') {
			if (!confirm(sHintGoToNewContingent)) {
				bCanSubmit = false;
			}
		}
		if (bCanSubmit) {
			document.forms['frmSearch_Hotel'].submit();
		} else {
			document.getElementById('count_rooms').selectedIndex = iSelectedIndexRoomCount;
		}
	} else {
		popWinCenter (sLocationChoose);
	}
}


// for resetting selectedIndex of room count select
var iSelectedIndexRoomCount;
/**
 * gets selected index of room count select
 */
function getSelectedIndexRoomCount () {
	if (document.getElementById('count_rooms')) {
		iSelectedIndexRoomCount = document.getElementById('count_rooms').selectedIndex;
	}
}

window.onload = getSelectedIndexRoomCount;


/**
 * hides overlay
 * @return void
 */
function hideOverlay () {
	document.getElementById('confirm_agb').style.display = 'none';
	document.getElementById('confirm_agb_content').style.display = 'none';
	showSelects();
}


/**
 * if user chooses to registrate or login
 * @return void
 */
function goToReg (bLogin) {
	
	if (document.forms['change_sel_form']) {
		if (document.forms['change_sel_form'].start_date) {
			sDateFrom = selectValue(document.forms['change_sel_form'].start_date);
			document.forms['frmLoginO'].datefrom.value = sDateFrom;
		}
		if (document.forms['change_sel_form'].room_category) {
			sRoomCat = selectValue(document.forms['change_sel_form'].room_category);	// chosen_ind!!!!!!!
			document.forms['frmLoginO'].chosen_ind.value = sRoomCat;
		}
	} else if (document.forms['frmSearch_Hotel']) {
		if (document.forms['frmSearch_Hotel'].dateuntil) {
			sDateUntil = selectValue(document.forms['frmSearch_Hotel'].dateuntil);
			document.forms['frmLoginO'].dateuntil.value = sDateUntil;
		}
		if (document.forms['frmSearch_Hotel'].datefrom) {
			sDateFrom = selectValue(document.forms['frmSearch_Hotel'].datefrom);	// datefrom!!!!!!!!!!!!!
			document.forms['frmLoginO'].datefrom.value = sDateFrom;
		}
	}

	
	

	if (bLogin) {	// go to login
		document.forms['frmLoginO'].goback_reg_or_login.value = "login";
	} else {
		document.forms['frmLoginO'].goback_reg_or_login.value = "reg";
	}

	document.forms['frmLoginO'].submit();
}


function showInfos (iNum, sText) {
	// get Position:
	aTmp = findPos(document.getElementById('caller_' + iNum));
	aTmp[1] += 18;
	var eInfoLayer = document.getElementById('details_layer');
	if (bMsie) {
		eInfoLayer.style.top = aTmp[1];
	} else {
		eInfoLayer.style.top = aTmp[1] + "px";
	}
	eInfoLayer.style.top = aTmp[1];
	eInfoLayer.style.visibility = "visible";
	eInfoLayer.innerHTML = sText;
}

function hideInfos () {
	document.getElementById('details_layer').style.visibility = "hidden";
}






/**
 * fills dateuntil after datefrom is selected (start from datefrom)
 * @return void
 */
function fillDateUntil () {
	// if the first value is selected
	bFirst = false;
	if (document.getElementById('datefrom').selectedIndex == 0) {
		bFirst = true;
	}
	// fist find the selected value:
	sSelValue = selectValue(document.getElementById('datefrom'));
	sSelValueUntil = selectValue(document.getElementById('dateuntil'));	// for setting selected if in range
	var i, j;
	var prompt;
	selectCtrl = document.getElementById('dateuntil');
	// empty existing items
	for (i = selectCtrl.options.length; i >= 0; i--) {
		selectCtrl.options[i] = null; 
	}
	if (prompt == null) {
		j = 0;
	} else {		
		selectCtrl.options[0] = new Option(prompt);
		j = 1;
	}
	iResetIndex = -1;
	bReached = bFirst;
	if (aDateUntil != null) {
		// add new items
		for (i = 0; i < aDateUntil.length; i++) {
			if (!bReached) {
				if (aDateUntil[i] == sSelValue) {
					bReached = true;
				}
			}
			if (!bReached) {
				continue;
			}
			
			if (aDateUntil[i] == sSelValueUntil) {
				iResetIndex = j;
			}
			selectCtrl.options[j] = new Option(aDateUntil[i]);
			if (aDateUntil[i] != null) {
				selectCtrl.options[j].value = aDateUntil[i]; 
			}
			j++;
		}
		if (iResetIndex != -1) {
			selectCtrl.options[iResetIndex].selected = true;
		}
	}
}