Ajaxion - Standalone AJAX - Part 2 of 2 - C# and Java Example

var IE = document.all && document.getElementById;

function ElemId(event)
{
	var elem;
	if (IE)
		elem = window.event.srcElement;
	else
		elem = event.target;
	return elem.attributes["id"].value;
}

function DragDrop()
{
	// Members
	var sourceId = "";
	var targetId = "";
	
	// Expose Methods
	this.Initialize = Initialize;
	this.SetSourceId = SetSourceId;
	this.SetTargetId = SetTargetId;
	this.Drop = Drop;
	this.DefaultActionIE = DefaultActionIE;
	this.GetSourceId = GetSourceId;
	this.GetTargetId = GetTargetId;

	// Exposed Methods

	function Initialize()
	{
		this.sourceId = "";
		this.targetId = "";	
	}

	function GetSourceId()
	{
		return this.sourceId;
	}

	function SetSourceId(elemId)
	{
		this.sourceId = elemId;
		DefaultActionIE(false);
	}

	function SetTargetId(elemId)
	{
		this.targetId = elemId;
		DefaultActionIE(false);
	}
	
	function GetTargetId()
	{
		return this.targetId;
	}

	function Drop(e)
	{
		this.targetId = ElemId(e);
		var sourceElem = window.document.getElementById(this.sourceId);
		var targetElem = window.document.getElementById(this.targetId);
		if (sourceElem != null && targetElem != null)
			ajaxion.postUrl("AjaxCallbackWs.asmx/GetImageUrl", imageUrlEvent, GetImageCallback);
		Initialize();
	}

	function DefaultActionIE(enabled)
	{
		if (IE)
			window.event.returnValue = enabled;
	}
}