var generalFunctions = new Object;
generalFunctions.mainFunctions = 
{
	images: 		"",
	branchId: 		"",
	currentImage: 	0,
	totalImages: 	1,
	interval: 		"",
	fieldTracker:	"",
	dashDatatable:	"",
	
	removeSearchText: function(eID)
	{
		if(document.getElementById(eID).style.color == "gray")
		{
			document.getElementById(eID).value = "";
			document.getElementById(eID).style.color = "black";
		}
	},
		
	sendError: function(msg, elementId)
	{
		alert(elementId+": "+msg);
		document.getElementById(elementId).focus();
	},

	isValidEmailAddress: function(emailAddress)
	{
		AtPos = email.indexOf("@")
		StopPos = email.lastIndexOf(".")
		if (AtPos == -1 || StopPos == -1)
		{
			return false;
		}
		return true;
	},
	
	cycleImages: function(images, branchId, fieldTracker)
	{
		generalFunctions.mainFunctions.clearCycleImages();
		var timeDelay = 2;
		timeDelay *= 500;
		generalFunctions.mainFunctions.branchId = branchId;
		generalFunctions.mainFunctions.fieldTracker = fieldTracker;
		generalFunctions.mainFunctions.images = images;
		generalFunctions.mainFunctions.totalImages = images.length;
		generalFunctions.mainFunctions.interval = setInterval("generalFunctions.mainFunctions.slideshow()", timeDelay);
	},
	
	slideshow: function()
	{
		generalFunctions.mainFunctions.currentImage++;
		if(generalFunctions.mainFunctions.currentImage == generalFunctions.mainFunctions.totalImages)
		{
			generalFunctions.mainFunctions.currentImage = 0;
		}
		var imageSrc = "show_image.php?i="+generalFunctions.mainFunctions.images[generalFunctions.mainFunctions.currentImage]+"&p="+generalFunctions.mainFunctions.branchId+"&w=70&h=70&hidebg=0"
		document.getElementById("thumbnail"+generalFunctions.mainFunctions.fieldTracker+"_"+generalFunctions.mainFunctions.branchId).src = imageSrc; 
	},
		
	clearCycleImages: function()
	{
		clearInterval(generalFunctions.mainFunctions.interval);
	},
		
	resetCycleImages: function()
	{
		generalFunctions.mainFunctions.clearCycleImages();
		var imageSrc = "show_image.php?i="+generalFunctions.mainFunctions.images[0]+"&p="+generalFunctions.mainFunctions.branchId+"&w=70&h=70&hidebg=0"
		document.getElementById("thumbnail"+generalFunctions.mainFunctions.fieldTracker+"_"+generalFunctions.mainFunctions.branchId).src = imageSrc; 
	},
		
	callAjaxAction: function(action, postDataObj, successCallBack)
	{
		successCallBack();
		var sUrl = "ajax/ajaxProxy.php?ajaxAction="+action;
		var postData = "";
		for(i in postDataObj)
		{
			postData += "&"+i+"="+escape(postDataObj[i])
		}
		
		var callback = {
			success: function(o)
			{
				// expecting json respone
				try
				{ 
					resultObj = YAHOO.lang.JSON.parse(o.responseText); 
				} 
				catch (x)
				{ 
					alert("JSON Parse failed, please try again later."); 
					return; 
				}
				
				// failure on action
				if(resultObj.error == true)
				{
					alert(resultObj.data); 
					return; 
				}

				// success action
				successCallBack(resultObj.data);
				return;
			},
			failure: function(o)
			{
				alert("There was a problem with your request, please try again later."); //FAILURE
			}
		} 

		var transaction = YAHOO.util.Connect.asyncRequest('POST', sUrl, callback, postData);
	},

	updateBranchStatus: function(branchId, status)
	{
		var postDataObj 		= new Object();
		postDataObj.branchId 	= branchId;
		postDataObj.newStatus 	= status;
		generalFunctions.mainFunctions.callAjaxAction("updateBranchStatus", postDataObj, generalFunctions.mainFunctions.updateBranchStatus_success);
	},
	
	updateBranchStatus_success: function(result)
	{
		if(result != undefined)
		{
			alert(result);
		}
		// refresh datatable
		generalFunctions.mainFunctions.dashDatatable.getDataSource().sendRequest('', { success: generalFunctions.mainFunctions.dashDatatable.onDataReturnInitializeTable, scope: generalFunctions.mainFunctions.dashDatatable });
	},
	
	removeFavourite: function(branchId)
	{
		var postDataObj 		= new Object();
		postDataObj.branchId 	= branchId;
		generalFunctions.mainFunctions.callAjaxAction("removeFavourite", postDataObj, generalFunctions.mainFunctions.removeFavourite_success);
	},

	removeFavourite_success: function(result)
	{
		if(result != undefined)
		{
			alert(result);
		}
		// refresh datatable
		generalFunctions.mainFunctions.dashDatatable.getDataSource().sendRequest('', { success: generalFunctions.mainFunctions.dashDatatable.onDataReturnInitializeTable, scope: generalFunctions.mainFunctions.dashDatatable });
	}

}