dojo.provide("dojo.dnd.common");

dojo.dnd.getCopyKeyState = dojo.isCopyKeyPressed;

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
};