/*
	Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojo.dnd.common"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.dnd.common"] = true;
dojo.provide("dojo.dnd.common");

dojo.getObject("dnd", true, dojo);

dojo.dnd.getCopyKeyState = dojo.isCopyKey;

dojo.dnd._uniqueId = 0;
dojo.dnd.getUniqueId = function(){
	// summary:
	//		returns a unique string for use with any DOM element
	var id;
	do{
		id = dojo._scopeName + "Unique" + (++dojo.dnd._uniqueId);
	}while(dojo.byId(id));
	return id;
};

dojo.dnd._empty = {};

dojo.dnd.isFormElement = function(/*Event*/ e){
	// summary:
	//		returns true if user clicked on a form element
	var t = e.target;
	if(t.nodeType == 3 /*TEXT_NODE*/){
		t = t.parentNode;
	}
	return " button textarea input select option ".indexOf(" " + t.tagName.toLowerCase() + " ") >= 0;	// Boolean
};

}