if(!window.DHTMLSuite)var DHTMLSuite=new Object();

var DHTMLSuite_dragDropSimple_curZIndex=100000;
var DHTMLSuite_dragDropSimple_curObjIndex=false;

DHTMLSuite.dragDropSimple=function(propertyArray)
{	
	var divElement;
	var dragTimer;	
// -1 no drag, 0-4=initializing , 5=drag in process
	var cloneNode;
	this.cloneNode=true;

	var callbackOnAfterDrag;
	var callbackOnBeforeDrag;
	var callbackOnDuringDrag;
	
	var mouse_x;
	var mouse_y;
	var positionSet;
	var dragHandle;	
// If a specific element is specified to be a drag handle.
	
	var allowMoveX;
	var allowMoveY;
	var maxY;
	var minY;
	var minX;
	var maxX;
	
	var initialXPos;
	var initialYPos;
	
	this.positionSet=false;
	this.dragHandle=new Array();
	var initOffsetX;
	var initOffsetY;
	
	this.allowMoveX=true;
	this.allowMoveY=true;
	this.maxY=false;
	this.maxX=false;
	this.minX=false;
	this.minY=false;
	
	this.callbackOnAfterDrag=false;
	this.callbackOnBeforeDrag=false;
	
	this.dragStatus=-1;

	if(!standardObjectsCreated)DHTMLSuite.createStandardObjects();	
	
	var objectIndex;
	this.objectIndex=DHTMLSuite.variableStorage.arrayDSObjects.length;
	DHTMLSuite.variableStorage.arrayDSObjects[this.objectIndex]=this;
	this.__setInitProps(propertyArray);
	this.__init();	
}

DHTMLSuite.dragDropSimple.prototype={
	
// {{{ __init()
    /**
    *Initializes the script
    *
    *@private
     */	
    __setInitProps:function(props)
    {
	if(props.cloneNode===false||props.cloneNode)this.cloneNode=props.cloneNode;
	if(props.allowMoveX===false||props.allowMoveX)this.allowMoveX=props.allowMoveX;
	if(props.allowMoveY===false||props.allowMoveY)this.allowMoveY=props.allowMoveY;
	if(props.minY||props.minY===0)this.minY=props.minY;
	if(props.maxY||props.maxY===0)this.maxY=props.maxY;
	if(props.minX||props.minX===0)this.minX=props.minX;
	if(props.maxX||props.maxX===0)this.maxX=props.maxX;
	
	if(!props.initOffsetX)props.initOffsetX=0;
	if(!props.initOffsetY)props.initOffsetY=0;    	
	 	this.initOffsetX=props.initOffsetX;
	this.initOffsetY=props.initOffsetY;   	
    	if(props.callbackOnBeforeDrag)this.callbackOnBeforeDrag=props.callbackOnBeforeDrag; 	
    	if(props.callbackOnAfterDrag)this.callbackOnAfterDrag=props.callbackOnAfterDrag; 	
    	if(props.callbackOnDuringDrag)this.callbackOnDuringDrag=props.callbackOnDuringDrag; 	
    	props.elementReference=DHTMLSuite.commonObj.getEl(props.elementReference);
	this.divElement=props.elementReference;	
	this.initialXPos=DHTMLSuite.commonObj.getLeftPos(this.divElement);
	this.initialYPos=DHTMLSuite.commonObj.getTopPos(this.divElement);    
	if(props.dragHandle)this.dragHandle[this.dragHandle.length]=DHTMLSuite.commonObj.getEl(props.dragHandle)	
    }    
    
// }}}
    ,	
	
// {{{ __init()
    /**
    *Initializes the script
    *
    *@private
     */	
	__init:function()
	{
	var ind=this.objectIndex;		
	this.divElement.objectIndex=ind;
	this.divElement.setAttribute('objectIndex',ind);	
	this.divElement.style.padding='0px';
	if(this.allowMoveX){
		this.divElement.style.left=(DHTMLSuite.commonObj.getLeftPos(this.divElement)+this.initOffsetX)+'px';
	}
	if(this.allowMoveY){
		this.divElement.style.top=(DHTMLSuite.commonObj.getTopPos(this.divElement)+this.initOffsetY)+'px';
	}
	this.divElement.style.position='absolute';
	this.divElement.style.margin='0px';
		
	if(this.divElement.style.zIndex&&this.divElement.style.zIndex/1>DHTMLSuite_dragDropSimple_curZIndex)DHTMLSuite_dragDropSimple_curZIndex=this.divElement.style.zIndex/1;	
	DHTMLSuite_dragDropSimple_curZIndex=DHTMLSuite_dragDropSimple_curZIndex/1+1;
	this.divElement.style.zIndex=DHTMLSuite_dragDropSimple_curZIndex;	
		
	if(this.cloneNode){
		var copy=this.divElement.cloneNode(true);	
		this.divElement.parentNode.insertBefore(copy,this.divElement);
		copy.style.visibility='hidden';
		document.body.appendChild(this.divElement);
	}	
	DHTMLSuite.commonObj.addEvent(this.divElement,'mousedown',function(e){ DHTMLSuite.variableStorage.arrayDSObjects[ind].__initDragProcess(e); },ind);
	DHTMLSuite.commonObj.addEvent(document.documentElement,'mousemove',function(e){ DHTMLSuite.variableStorage.arrayDSObjects[ind].__moveDragableElement(e); },ind);
	DHTMLSuite.commonObj.addEvent(document.documentElement,'mouseup',function(e){ DHTMLSuite.variableStorage.arrayDSObjects[ind].__stopDragProcess(e); },ind);		
	if(!document.documentElement.onselectstart)document.documentElement.onselectstart=function(){ return DHTMLSuite.commonObj.__isTextSelOk(); };	
	}
	
// }}}
	,
	
// {{{ setCallbackOnAfterDrag()
    /**
    *Specify name of function to execute after drag is completed.
     *	
     *	@param String functionName-Name of function to execute
    *
    *@private
     */	
	setCallbackOnAfterDrag:function(functionName)
	{
	this.callbackOnAfterDrag=functionName;
	}
	
// }}}
	,
	
// {{{ setCallbackOnBeforeDrag()
    /**
    *Specify name of function to execute before drag is executed.
     *	
     *	@param String functionName-Name of function to execute
    *
    *@private
     */	
	setCallbackOnBeforeDrag:function(functionName)
	{
	this.callbackOnBeforeDrag=functionName;
	}
	
// }}}
	,
	
// {{{ addDragHandle()
    /**
    *Specify a drag handle
     *	
     *	@param Object HTML Element-element inside the dragable element specified to act as a drag handle.
    *
    *@private
     */	
	addDragHandle:function(dragHandle)
	{
	this.dragHandle[this.dragHandle.length]=dragHandle;
	}
	
// }}}
	,
	
// {{{ __initDragProcess()
    /**
    *Initializes drag process
    *
    *@private
     */	
	__initDragProcess:function(e)
	{
	if(document.all)e=event;	
	var ind=this.objectIndex;
	DHTMLSuite_dragDropSimple_curObjIndex=ind;		
	var thisObject=DHTMLSuite.variableStorage.arrayDSObjects[ind];
	if(!DHTMLSuite.commonObj.isObjectClicked(thisObject.divElement,e))return;	
	if(thisObject.divElement.style.zIndex&&thisObject.divElement.style.zIndex/1>DHTMLSuite_dragDropSimple_curZIndex)DHTMLSuite_dragDropSimple_curZIndex=thisObject.divElement.style.zIndex/1;	
	DHTMLSuite_dragDropSimple_curZIndex=DHTMLSuite_dragDropSimple_curZIndex/1 +1;
	thisObject.divElement.style.zIndex=DHTMLSuite_dragDropSimple_curZIndex;			
	if(thisObject.callbackOnBeforeDrag){
		thisObject.__handleCallback('beforeDrag',e);	
	}	
	if(thisObject.dragHandle.length>0){	
// Drag handle specified?	
		var objectFound;
		for(var no=0;no<thisObject.dragHandle.length;no++){
		if(!objectFound)objectFound=DHTMLSuite.commonObj.isObjectClicked(thisObject.dragHandle[no],e);
		}	
		if(!objectFound)return;
	}
	DHTMLSuite.commonObj.__setTextSelOk(false);	
	thisObject.mouse_x=e.clientX;
	thisObject.mouse_y=e.clientY;	
	thisObject.el_x=thisObject.divElement.style.left.replace('px','')/1;
	thisObject.el_y=thisObject.divElement.style.top.replace('px','')/1;
	thisObject.dragTimer=0;
	thisObject.__waitBeforeDragProcessStarts();
	return false;		
	}	
	
// }}}
	,
	
// {{{ __waitBeforeDragProcessStarts()
    /**
    *Small delay from mouse is pressed down till drag starts.
    *
    *@private
     */	
	__waitBeforeDragProcessStarts:function()
	{
	var ind=this.objectIndex;
	if(this.dragTimer>=0&&this.dragTimer<5){
		this.dragTimer++;		
		setTimeout('DHTMLSuite.variableStorage.arrayDSObjects['+ind+'].__waitBeforeDragProcessStarts()',5);
	}	
	}
	
// }}}
	,
	
// {{{ __moveDragableElement()
    /**
    *Move dragable element if drag is in process
     *
     *	@param Event e-Event object-since this method is triggered by an event
     *
    *@private
     */	
	__moveDragableElement:function(e)
	{	
	if(document.all)e=event;
	var ind=this.objectIndex;
	var thisObj=DHTMLSuite.variableStorage.arrayDSObjects[ind];	
	if(DHTMLSuite.clientInfoObj.isMSIE&&e.button!=1)return thisObj.__stopDragProcess();	
	if(thisObj.dragTimer==5){		
		if(thisObj.allowMoveX){
		var leftPos=(e.clientX-this.mouse_x+this.el_x);	
		if(this.maxX!==false){
			if(leftPos+document.documentElement.scrollLeft>this.initialXPos+this.maxX){
			leftPos=this.initialXPos+this.maxX;
			}	
		}
		if(this.minX!==false)
		{
			if(leftPos+document.documentElement.scrollLeft<this.initialXPos+this.minX){
			leftPos=this.initialXPos+this.minX;	
			}			
		}			
		thisObj.divElement.style.left =leftPos+'px';
		}	
		if(thisObj.allowMoveY){
		var topPos=(e.clientY-thisObj.mouse_y+thisObj.el_y);
		if(this.maxY!==false){
			if(topPos>this.initialYPos+this.maxY){
			topPos=this.initialYPos+this.maxY;	
			}
		}	
		if(this.minY!==false)
		{
			if(topPos <this.initialYPos+this.minY){
			topPos=this.initialYPos+this.minY;	
			}			
		}			
		thisObj.divElement.style.top=topPos+'px';	
		}
		
		if(this.callbackOnDuringDrag)this.__handleCallback('duringDrag',e);
	}	
	return false;
	}
	
// }}}
	,
	
// {{{ __stopDragProcess()
    /**
    *Stop the drag process
    *
    *@private
     */	
	__stopDragProcess:function(e)
	{
	var ind=this.objectIndex;
	DHTMLSuite.commonObj.__setTextSelOk(true);
	var thisObj=DHTMLSuite.variableStorage.arrayDSObjects[ind];	
	if(thisObj.dragTimer==5){
		thisObj.__handleCallback('afterDrag',e);
	}	
	thisObj.dragTimer=-1;
	}
	
// }}}
	,
	
// {{{ __handleCallback()
    /**
    *Execute callback function
     *	@param String action-callback action
    *
    *@private
     */	
	__handleCallback:function(action,e)
	{
	var callbackString='';
	switch(action){
		case "afterDrag":
		callbackString=this.callbackOnAfterDrag;
		break;	
		case "beforeDrag":
		callbackString=this.callbackOnBeforeDrag;
		break;
		case "duringDrag":
		callbackString=this.callbackOnDuringDrag;
		break;
	}
	if(callbackString){
		callbackString=callbackString+'(e)';
		eval(callbackString);
	}
	
	}
	
// }}}
	,
	
// {{{ __setNewCurrentZIndex()
    /**
    *Updates current z index. 
     *	@param Integer zIndex-This method is called by the window script when z index has been read from cookie
    *
    *@private
     */	
	__setNewCurrentZIndex:function(zIndex)
	{
	if(zIndex > DHTMLSuite_dragDropSimple_curZIndex){
		DHTMLSuite_dragDropSimple_curZIndex=zIndex/1+1;
	}	
	}
	
}