if(!dojo._hasResource["dojox.grid._grid.drag"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.dojo._hasResource["dojox.grid._grid.drag"] = true;dojo.provide("dojox.grid._grid.drag");// summary://	utility functions for dragging as used in grid.// begin closure(function(){var dgdrag = dojox.grid.drag = {};dgdrag.dragging = false;dgdrag.hysteresis = 2;dgdrag.capture = function(inElement) {	//console.debug('dojox.grid.drag.capture');	if (inElement.setCapture)		inElement.setCapture();	else {		document.addEventListener("mousemove", inElement.onmousemove, true);		document.addEventListener("mouseup", inElement.onmouseup, true);		document.addEventListener("click", inElement.onclick, true);	}}dgdrag.release = function(inElement) {	//console.debug('dojox.grid.drag.release');	if(inElement.releaseCapture){		inElement.releaseCapture();	}else{		document.removeEventListener("click", inElement.onclick, true);		document.removeEventListener("mouseup", inElement.onmouseup, true);		document.removeEventListener("mousemove", inElement.onmousemove, true);	}}dgdrag.start = function(inElement, inOnDrag, inOnEnd, inEvent, inOnStart){	if(/*dgdrag.elt ||*/ !inElement || dgdrag.dragging){		console.debug('failed to start drag: bad input node or already dragging');		return;	}	dgdrag.dragging = true;	dgdrag.elt = inElement;	dgdrag.events = {		drag: inOnDrag || dojox.grid.nop, 		end: inOnEnd || dojox.grid.nop, 		start: inOnStart || dojox.grid.nop, 		oldmove: inElement.onmousemove, 		oldup: inElement.onmouseup, 		oldclick: inElement.onclick 	};	dgdrag.positionX = (inEvent && ('screenX' in inEvent) ? inEvent.screenX : false);	dgdrag.positionY = (inEvent && ('screenY' in inEvent) ? inEvent.screenY : false);	dgdrag.started = (dgdrag.position === false);	inElement.onmousemove = dgdrag.mousemove;	inElement.onmouseup = dgdrag.mouseup;	inElement.onclick = dgdrag.click;	dgdrag.capture(dgdrag.elt);}dgdrag.end = function(){	//console.debug("dojox.grid.drag.end");	dgdrag.release(dgdrag.elt);	dgdrag.elt.onmousemove = dgdrag.events.oldmove;	dgdrag.elt.onmouseup = dgdrag.events.oldup;	dgdrag.elt.onclick = dgdrag.events.oldclick;	dgdrag.elt = null;	try{		if(dgdrag.started){			dgdrag.events.end();		}	}finally{		dgdrag.dragging = false;	}}dgdrag.calcDelta = function(inEvent){	inEvent.deltaX = inEvent.screenX - dgdrag.positionX;	inEvent.deltaY = inEvent.screenY - dgdrag.positionY;}dgdrag.hasMoved = function(inEvent){	return Math.abs(inEvent.deltaX) + Math.abs(inEvent.deltaY) > dgdrag.hysteresis;}dgdrag.mousemove = function(inEvent){	inEvent = dojo.fixEvent(inEvent);	dojo.stopEvent(inEvent);	dgdrag.calcDelta(inEvent);	if((!dgdrag.started)&&(dgdrag.hasMoved(inEvent))){		dgdrag.events.start(inEvent);		dgdrag.started = true;	}	if(dgdrag.started){		dgdrag.events.drag(inEvent);	}}dgdrag.mouseup = function(inEvent){	//console.debug("dojox.grid.drag.mouseup");	dojo.stopEvent(dojo.fixEvent(inEvent));	dgdrag.end();}dgdrag.click = function(inEvent){	dojo.stopEvent(dojo.fixEvent(inEvent));	//dgdrag.end();}})();// end closure}