///////////////////////////////////////////////////////////////////////////
// Global variables                                                      //
///////////////////////////////////////////////////////////////////////////
var mode;   // Mode of Main frame (new,edit,display)
var allFunctions = ["New","Open","Edit","Save","Delete","Previous","Next","Back","Forward","Refresh","Print","Copy","Paste","Calendar","Report","Res","ResDrop","Internet","Home","Help","NewWindow"];
var accessControlledFunctions = ["New","Edit","Save","Delete"];
var defaultButtons = ["Back","Forward","Refresh","Calendar","Internet","Home","Help","NewWindow"];
var toolbar = new Object();
var enabledButtons = [];				// For pages that don't define this variable
var impressedButtons = [];			// For pages that don't define this variable
var resDropSelectHideList = [];

// This object defines a single toolbar button --------------------------------
function toolbutton(buttonName,imageLocation) {
	// Define properties of a toolbutton -----------------------------------------
	this.name = buttonName;
	this.id = buttonName;
	this.status = "disabled";

	var imgName = buttonName.charAt(0);

	imgName = imgName.toLowerCase();
	imgName = imgName + buttonName.substr(1,buttonName.length);

	this.standardImage = imgName + "_std.gif";
	this.disabledImage = imgName + "_grey.gif";
	this.impressedImage = imgName + "_down.gif";

	if ( imageLocation ) {
		this.location = imageLocation;
	} else {
		this.location = "images/";
	}

	this.source = this.location + this.disabledImage;

	// Set the initial image on the corresponding DOM <img> tag ------------------
	id("button" + this.name).src = this.source;
	id("button" + this.name).className = "imgLink";
	
	// Define the methods of a toolbutton ----------------------------------------
	// Press the button
	this.press = function(e) {
		if(this.status == "enabled" || this.status == "impressed") {
			buttonPressGeneric(this.name,e);
		}
	}

	// Impress the button
	this.impress = function() {
		if(this.status == "enabled") {
			this.status = "impressed";
		}
		this.source = this.location + this.impressedImage;
		id("button" + this.name).src = this.source;
	}

	// Disable the button
	this.disable = function() {
		if ( this.status == "enabled" ) {
			this.status = "disabled";
			this.source = this.location + this.disabledImage;
			id("button" + this.name).src = this.source;
		}
	}

	// Enable the button
	this.enable = function() {
		if ( this.status == "disabled" ) {
			this.status = "enabled";
			this.source = this.location + this.standardImage;
			id("button" + this.name).src = this.source;
		}
	}
}

/////////////////////////////////////////////////////////////
// This function performs all page initialise functions,   //
// and calls the generateCalendar() function.              //
/////////////////////////////////////////////////////////////
function generateToolbar() {
	isToolBarPage == true;
	var e;
	// Create toolbar object (associative array)
	for (e in allFunctions) {
		toolbar[allFunctions[e]] = new toolbutton(allFunctions[e]);
	}
}

/////////////////////////////////////////////////////////////
// This function disables all buttons based on hidden      //
// fields passed by PHP in format:  pgJob + buttonName     //
/////////////////////////////////////////////////////////////
function disableButtons() {
	for(e in accessControlledFunctions) {
		var buttonName = accessControlledFunctions[e];
		var allowButton = id("pgJob" + buttonName).value;
		if(allowButton == 1) {
			toolbar[buttonName].enable();
		} else {
			toolbar[buttonName].disable();
		}
	}
}

/////////////////////////////////////////////////////////////
// This function enables buttons in a passed array         //
/////////////////////////////////////////////////////////////
function enableButtons(enabledButtons) {
	if ( !enabledButtons || enabledButtons == "" ) {
		enabledButtons = defaultButtons;
	}

	if ( reportURL != "" ) {
		enabledButtons = enabledButtons.concat("Report");
	}
	
	if ( lastResIdArray.length > 0 ) {
		enabledButtons = enabledButtons.concat("Res");
	}
	
	if ( lastResIdArray.length > 1 ) {
		enabledButtons = enabledButtons.concat("ResDrop");
	}

	for ( e in enabledButtons ) {
		toolbar[enabledButtons[e]].enable();
	}
}

/////////////////////////////////////////////////////////////
// This function impresses all buttons in passed array     //
/////////////////////////////////////////////////////////////
function impressButtons(impressedButtons) {
	// The parameter impressedButtons is nor redundant
	// as the button to impress is implied by the screen
	// mode (new or edit).
	mode = id("mode").value;

	switch(mode) {
		case "new":
			impressedButtons = ["New"];
			break;
		case "edit":
			impressedButtons = ["Edit"];
			break;
	}

	for (e in impressedButtons) {
		toolbar[impressedButtons[e]].impress();
	}
}

/////////////////////////////////////////////////////////////
// This function impresses all buttons in passed array     //
/////////////////////////////////////////////////////////////
function impressButtonsMode(pageMode) {
	switch (pageMode) {
		case "new":
			toolbar["New"].impress();
			break;
		case "edit":
			toolbar["Edit"].impress();
			break;
	}
}

function buttonPressGeneric(button,e) {
	e = window.event || e;
	// Check for changes on form and ask for save if required
	savePressedButton = button;
	if ( inputchange && (button != "Print" && button != "Copy" && button != "Paste" && button != "Edit" && button != "Delete" && button != "Save" && button != "Help" && button != "Internet") ) {
		openPopup("savechanges.htm");
		return 0;
	} else {
		buttonPressGeneric_continue(button,e);
	}
}

function buttonPressGeneric_continue(button,e) {
	var is_ie = document.all ? true : false;

	switch (button) {
	case "goToReqReceived":
		window.location = "reservation.php?650";
		break;
	case "newContact":
		showContactType();
		break;
	case "Delete":
		openConfirm('Are you sure you want to delete this record?');
		break;
	case "Back":
		backForm = document.createElement("FORM");
		backForm.setAttribute("method","POST");

		if ( is_ie ) {
			backItem = document.createElement("<INPUT TYPE=HIDDEN>");
		} else {
			backItem = document.createElement("INPUT");
			backItem.setAttribute("type","hidden");
		}
		backItem.setAttribute("name","goback");
		backItem.setAttribute("value","true");

		backForm.appendChild(backItem);
		document.body.appendChild(backForm);
		backForm.submit();
		break;
	case "Forward":
		forwardForm = document.createElement("FORM");
		forwardForm.setAttribute("method","POST");
		if ( is_ie ) {
			forwardItem = document.createElement("<INPUT TYPE=HIDDEN>");
		} else {
			forwardItem = document.createElement("INPUT");
			forwardItem.setAttribute("type","hidden");
		}
		forwardItem.setAttribute("name","goforward");
		forwardItem.setAttribute("value","true");

		forwardForm.appendChild(forwardItem);
		document.body.appendChild(forwardForm);
		forwardForm.submit();
		break;
	case "Refresh":
		window.location = window.location;
		break;
	case "Print":
		printWindow();
		break;
	case "Calendar":
		mainWindowPage = Get_Cookie("mainWindowPage");

		if ( mainWindowPage == "availability_calendar" ) {
			window.location="reservation.php?20";
		} else if (mainWindowPage == "quick_search") {
			window.location="reservation.php?693";
		} else if (mainWindowPage == "room_cal") {
			window.location="reservation.php?234+last";
		} else {
			window.location="reservation.php?29";
		}
		break;
	case "Report":
		//window.location=reportURL;
		document.body.innerHTML += "<form id=\"lastReportForm\" method=\"post\" action=\"reservation.php?" + reportJob + "\"><input type=\"hidden\" name=\"url\" id=\"lastReportURL\" value=\"" + reportURL + "\"><input type=\"hidden\" name=\"pf_option_id\" id=\"lastReportProfile\" value=\""+reportProfile+"\"></form>";
		id("lastReportForm").submit();
		break;
	case "Res":
		window.location = "reservation.php?" + lastResJobArray[0] + "+" + lastResIdArray[0];
		//document.body.innerHTML += "<form id='lastResForm' method='post' action='reservation.php?"+lastResJobArray[0]+"'><input type='hidden' name='url' id='lastReportURL' value='"+reportURL+"'></form>";
		//id("lastReportForm").submit();
		break;
	case "ResDrop":
		if ( id("lastResList").style.display != "" ) {
			var obj = id("buttonResDrop");
			var count = 0;

			lastResListHTML = "<table border='0' cellspacing='0' cellpadding='0' class='colLt all' width='110' style='table-layout: fixed;'><col width='110'>";

			for ( var count = 0; count < lastResIdArray.length; count++ ) {
				lastResListHTML += "<tr onmouseover='setRowHover(this);' onmouseout='clearRowHover(this);' onclick='window.location=\"reservation.php?"+lastResJobArray[count]+"+"+lastResIdArray[count]+"\"'>";
				lastResListHTML += "<td height='16' class='imgLink' nowrap>&nbsp;" + lastResIdArray[count] + ": " + lastResNameArray[count] + "&nbsp;</td>";
				lastResListHTML += "</tr>";
			}

			lastResListHTML += "</table>";

			id("lastResList").innerHTML = lastResListHTML;
			id("lastResList").style.display = "";
			id("lastResList").style.left = _getLeft(obj) + obj.offsetWidth - id("lastResList").offsetWidth + 2;
			id("lastResList").style.top = obj.offsetHeight + _getTop(obj) + 2 - id("lastResList").scrollTop ;

			if ( mnuInitialise == false ) {
				buildSelectArray();
				mnuInitialise = true;
			}

			for ( var count = 0; count < mnuSelectArray.length; count++ ) {
				X1L = parseInt(id("lastResList").style.left,10);
				Y1L = parseInt(id("lastResList").style.top,10);
				X1R = X1L + parseInt(id("lastResList").offsetWidth,10);
				Y1R = Y1L + parseInt(id("lastResList").offsetHeight,10);

				XOverlap = false;
				YOverlap = false;

				if (
					X1L >= mnuSelectArray[count].left &&
					X1L <= mnuSelectArray[count].right 
					||
					X1R >= mnuSelectArray[count].left &&
					X1R <= mnuSelectArray[count].right
					||
					X1L <= mnuSelectArray[count].left &&
					X1R >= mnuSelectArray[count].right
				) {
					XOverlap = true;
				}	

				if(
					Y1L >= mnuSelectArray[count].top &&
					Y1L <= mnuSelectArray[count].bottom
					||
					Y1R >= mnuSelectArray[count].top &&
					Y1R <= mnuSelectArray[count].bottom
					||
					Y1L <= mnuSelectArray[count].top &&
					Y1R >= mnuSelectArray[count].bottom
				) {
					YOverlap = true;
				}

				if ( XOverlap && YOverlap && mnuSelectArray[count].element.style.visibility != "hidden" ) {
					mnuSelectArray[count].element.style.visibility = "hidden";
					resDropSelectHideList[resDropSelectHideList.length] = mnuSelectArray[count].element;
				}
			}
			e.cancelBubble = true;
		} else {
			hideLastResList();
		}
		break;
	case "Internet":
		var new_window = window.open("http://www.resrequest.com","","toolbar=yes,location=yes,directories=yes,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=yes");
		break;
	case "Home":
		window.location = "reservation.php?132";
		break;
	case "Copy":
		if(pasteFieldId != false) {
			var pasteFieldPtr = id(pasteFieldId);
			var copy = pasteFieldPtr.createTextRange().execCommand('Copy');
		}
		toolbar["Paste"].enable();
		break;
	case "Paste":
		if(pasteFieldId != false) {
			var pasteFieldPtr = id(pasteFieldId);
			var paste = pasteFieldPtr.createTextRange().execCommand('Paste');
		}
		inputchange = 1;
		break;
	case "Help":
		window.open('help/help_frame.htm','Popup_Window','toolbar=no,titlebar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=690,height=430,top=100,left=100');
		break;
	case "NewWindow":
		newWindow = openPopup("reservation.php?132",0,0,0,0,1,1,false,false,true);
		newWindow.moveTo(0,0);
		newWindow.resizeTo(screenWidth,screenHeight);
		break;
	case "Logoff":
		logOff();
		break;
	default:
		buttonPress(button);
	}
}

mainButtonPressGeneric_continue =  buttonPressGeneric_continue;

///////////////////////////////////////////////////////////////////////////
// printWindow() is called when the print toolbar button is called       //
///////////////////////////////////////////////////////////////////////////
function printWindow() {
	window.print();
}

function hideLastResList() {
	var count;
	id("lastResList").style.display = "none";
	for(count=0; count < resDropSelectHideList.length; count++) {
		resDropSelectHideList[count].style.visibility = "visible";
	}
}