dhtmlxcommon.js

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		window.dhtmlDragAndDrop.dragStartNode=this;
		window.dhtmlDragAndDrop.dragStartObject=this.dragStarter;
		document.body.onmouseup=window.dhtmlDragAndDrop.preCreateDragCopy;
		document.body.onmousemove=window.dhtmlDragAndDrop.callDrag;

            	if ((e)&&(e.preventDefault)) { e.preventDefault(); return false; }
            	return false;
	};
	dhtmlDragAndDropObject.prototype.callDrag=function(e){
		if (!e) e=window.event;
		dragger=window.dhtmlDragAndDrop;

	   	if ((e.button==0)&&(_isIE)) return dragger.stopDrag();
		if (!dragger.dragNode) {
			dragger.dragNode=dragger.dragStartObject._createDragNode(dragger.dragStartNode,e);
            if (!dragger.dragNode) return dragger.stopDrag();
			dragger.gldragNode=dragger.dragNode;
			document.body.appendChild(dragger.dragNode);
			document.body.onmouseup=dragger.stopDrag;
			dragger.waitDrag=0;
			dragger.dragNode.pWindow=window;
		   	dragger.initFrameRoute();
			}


		if (dragger.dragNode.parentNode!=window.document.body){
			var grd=dragger.gldragNode;
			if (dragger.gldragNode.old) grd=dragger.gldragNode.old;

			//if (!document.all) dragger.calculateFramePosition();
			grd.parentNode.removeChild(grd);
			var oldBody=dragger.dragNode.pWindow;
		//	var oldp=dragger.dragNode.parentObject;
			if (_isIE){
			var div=document.createElement("Div");
			div.innerHTML=dragger.dragNode.outerHTML;
			dragger.dragNode=div.childNodes[0];	}
			else dragger.dragNode=dragger.dragNode.cloneNode(true);

			dragger.dragNode.pWindow=window;
	  //		dragger.dragNode.parentObject=oldp;

			dragger.gldragNode.old=dragger.dragNode;
	  		document.body.appendChild(dragger.dragNode);
			oldBody.dhtmlDragAndDrop.dragNode=dragger.dragNode;
		}

			dragger.dragNode.style.left=e.clientX+15+(dragger.fx?dragger.fx*(-1):0)+(document.body.scrollLeft||document.documentElement.scrollLeft)+"px";
			dragger.dragNode.style.top=e.clientY+3+(dragger.fy?dragger.fy*(-1):0)+(document.body.scrollTop||document.documentElement.scrollTop)+"px";
		if (!e.srcElement) 	var z=e.target; 	else 	z=e.srcElement;
		dragger.checkLanding(z,e);
	}
	
	dhtmlDragAndDropObject.prototype.calculateFramePosition=function(n){
		//this.fx = 0, this.fy = 0;
		if (window.name)  {
		  var el =parent.frames[window.name].frameElement.offsetParent;
		  var fx=0;
		  var fy=0;
		  while (el)	{      fx += el.offsetLeft;      fy += el.offsetTop;      el = el.offsetParent;   }
		  if 	((parent.dhtmlDragAndDrop))	{ 	 var ls=parent.dhtmlDragAndDrop.calculateFramePosition(1);  fx+=ls.split('_')[0]*1;  fy+=ls.split('_')[1]*1;  }
		  if (n) return fx+"_"+fy;
		  else this.fx=fx; this.fy=fy;
		  }
		  return "0_0";
	}
	dhtmlDragAndDropObject.prototype.checkLanding=function(htmlObject,e){

		if ((htmlObject)&&(htmlObject.dragLanding)) {
			if (this.lastLanding)
				this.lastLanding.dragLanding._dragOut(this.lastLanding);
			this.lastLanding=htmlObject;
			this.lastLanding=this.lastLanding.dragLanding._dragIn(this.lastLanding,this.dragStartNode,e.clientX, e.clientY,e);
			this.lastLanding_scr=(_isIE?e.srcElement:e.target);
		}
		else {
			 if ((htmlObject)&&(htmlObject.tagName!="BODY")) this.checkLanding(htmlObject.parentNode,e);
			 else  {
			 	 if (this.lastLanding) this.lastLanding.dragLanding._dragOut(this.lastLanding,e.clientX, e.clientY,e); this.lastLanding=0;
				 if (this._onNotFound) this._onNotFound();
				 }
			 }
	}
	dhtmlDragAndDropObject.prototype.stopDrag=function(e,mode){
		dragger=window.dhtmlDragAndDrop;
		if (!mode)
			{
			  dragger.stopFrameRoute();
              var temp=dragger.lastLanding;
        	  dragger.lastLanding=null;
			  if (temp) temp.dragLanding._drag(dragger.dragStartNode,dragger.dragStartObject,temp,(_isIE?event.srcElement:e.target));
			}
        dragger.lastLanding=null;
		if ((dragger.dragNode)&&(dragger.dragNode.parentNode==document.body)) dragger.dragNode.parentNode.removeChild(dragger.dragNode);
		dragger.dragNode=0;
		dragger.gldragNode=0;
		dragger.fx=0;
		dragger.fy=0;
		dragger.dragStartNode=0;
		dragger.dragStartObject=0;
		document.body.onmouseup=dragger.tempDOMU;
		document.body.onmousemove=dragger.tempDOMM;
		dragger.tempDOMU=null;
		dragger.tempDOMM=null;
		dragger.waitDrag=0;
	}	
	
	dhtmlDragAndDropObject.prototype.stopFrameRoute=function(win){
		if (win)
			window.dhtmlDragAndDrop.stopDrag(1,1);

		for (var i=0; i<window.frames.length; i++)
			if ((window.frames[i]!=win)&&(window.frames[i].dhtmlDragAndDrop))
				window.frames[i].dhtmlDragAndDrop.stopFrameRoute(window);
		if ((parent.dhtmlDragAndDrop)&&(parent!=window)&&(parent!=win)) 
				parent.dhtmlDragAndDrop.stopFrameRoute(window);
	}
	dhtmlDragAndDropObject.prototype.initFrameRoute=function(win,mode){
		if (win)	{


        			    window.dhtmlDragAndDrop.preCreateDragCopy();
					window.dhtmlDragAndDrop.dragStartNode=win.dhtmlDragAndDrop.dragStartNode;
					window.dhtmlDragAndDrop.dragStartObject=win.dhtmlDragAndDrop.dragStartObject;
					window.dhtmlDragAndDrop.dragNode=win.dhtmlDragAndDrop.dragNode;
					window.dhtmlDragAndDrop.gldragNode=win.dhtmlDragAndDrop.dragNode;
					window.document.body.onmouseup=window.dhtmlDragAndDrop.stopDrag;
					window.waitDrag=0;
					if (((!_isIE)&&(mode))&&((!_isFF)||(_FFrv<1.8)))
                         window.dhtmlDragAndDrop.calculateFramePosition();
				}
	if ((parent.dhtmlDragAndDrop)&&(parent!=window)&&(parent!=win))
				parent.dhtmlDragAndDrop.initFrameRoute(window);
		for (var i=0; i<window.frames.length; i++)
			if ((window.frames[i]!=win)&&(window.frames[i].dhtmlDragAndDrop))
				window.frames[i].dhtmlDragAndDrop.initFrameRoute(window,((!win||mode)?1:0));

	}

var _isFF=false; var _isIE=false; var _isOpera=false; var _isKHTML=false; var _isMacOS=false;

if (navigator.userAgent.indexOf('Macintosh') != -1) _isMacOS=true;
if ((navigator.userAgent.indexOf('Safari') != -1)||(navigator.userAgent.indexOf('Konqueror')!= -1))
    _isKHTML=true;
else if (navigator.userAgent.indexOf('Opera') != -1){
    _isOpera=true;
    _OperaRv=parseFloat(navigator.userAgent.substr(navigator.userAgent.indexOf('Opera')+6,3));
    }
else if(navigator.appName.indexOf("Microsoft")!=-1)
    _isIE=true;
else {
    _isFF=true;
    var _FFrv=parseFloat(navigator.userAgent.split("rv:")[1])
    }

//deprecated, use global constant instead
//determines if current browser is IE
function isIE(){
	if(navigator.appName.indexOf("Microsoft")!=-1)
        if (navigator.userAgent.indexOf('Opera') == -1)
    		return true;
	return false;
}

//multibrowser Xpath processor
dtmlXMLLoaderObject.prototype.doXPath = function(xpathExp,docObj){  
    if ((_isOpera)||(_isKHTML)) return this.doXPathOpera(xpathExp,docObj);
	if(_isIE){//IE
		if(!docObj)
			if(!this.xmlDoc.nodeName)
				docObj = this.xmlDoc.responseXML
			else
				docObj = this.xmlDoc;
		return docObj.selectNodes(xpathExp);
	}else{//Mozilla
		var nodeObj = docObj;
		if(!docObj){
			if(!this.xmlDoc.nodeName){
			docObj = this.xmlDoc.responseXML
			}else{
			docObj = this.xmlDoc;
			}
		}
		if(docObj.nodeName.indexOf("document")!=-1){
			nodeObj = docObj;
		}else{
			nodeObj = docObj;
			docObj = docObj.ownerDocument;

		}		
		var rowsCol = new Array();
    		var col = docObj.evaluate(xpathExp, nodeObj, null, XPathResult.ANY_TYPE,null);
    		var thisColMemb = col.iterateNext();
	    	while (thisColMemb) {
		    	rowsCol[rowsCol.length] = thisColMemb;
			    thisColMemb = col.iterateNext();
    		}
	    	return rowsCol;
	}
}
   

function _dhtmlxError(type,name,params){
    if (!this.catches)
        this.catches=new Array();

    return this;
}

_dhtmlxError.prototype.catchError=function(type,func_name){
    this.catches[type]=func_name;
}
_dhtmlxError.prototype.throwError=function(type,name,params){
        if (this.catches[type]) return  this.catches[type](type,name,params);
        if (this.catches["ALL"]) return  this.catches["ALL"](type,name,params);
        alert("Error type: " + arguments[0]+"\nDescription: " + arguments[1] );
        return null;
}

window.dhtmlxError=new  _dhtmlxError();


//opera fake, while 9.0 not released
//multibrowser Xpath processor
dtmlXMLLoaderObject.prototype.doXPathOpera = function(xpathExp,docObj){
    //this is fake for Opera
    var z=xpathExp.replace(/[\/]+/gi,"/").split('/');
    var obj=null;
    var i=1;

    if (!z.length) return [];
    if (z[0]==".")
        obj=[docObj];
    else if (z[0]=="")
        {
        obj=this.xmlDoc.responseXML.getElementsByTagName(z[i].replace(/\[[^\]]*\]/g,""));
        i++;
        }
    else return [];

    for (i; i<z.length; i++)
        obj=this._getAllNamedChilds(obj,z[i]);

    if (z[i-1].indexOf("[")!=-1)
        obj=this._filterXPath(obj,z[i-1]);
    return obj;
}

dtmlXMLLoaderObject.prototype._filterXPath = function(a,b){
    var c=new Array();
    var b=b.replace(/[^\[]*\[\@/g,"").replace(/[\[\]\@]*/g,"");
    for (var i=0; i<a.length; i++)
        if (a[i].getAttribute(b))
            c[c.length]=a[i];

    return c;
}
dtmlXMLLoaderObject.prototype._getAllNamedChilds = function(a,b){
    var c=new Array();
    if (_isKHTML) b=b.toUpperCase();
    for (var i=0; i<a.length; i++)
        for (var j=0; j<a[i].childNodes.length; j++){
        	if (_isKHTML) {
        		if (a[i].childNodes[j].tagName && a[i].childNodes[j].tagName.toUpperCase()==b)
        			 c[c.length]=a[i].childNodes[j];
	        }
        	else
            if (a[i].childNodes[j].tagName==b) c[c.length]=a[i].childNodes[j];
        }

    return c;
}

function dhtmlXHeir(a,b){
	for (c in b)
		if (typeof(b[c])=="function") a[c]=b[c];
	return a;
}
function dhtmlxEvent(el,event,handler){
    if (el.addEventListener)
		el.addEventListener(event,handler,false);
	else if (el.attachEvent)
		el.attachEvent("on"+event,handler);
}
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