(function(){
	var _waitUntilExists = {
		pending_functions : [],
		loop_and_call : function()
		{
			if(!_waitUntilExists.pending_functions.length){return}
			for(var i=0;i<_waitUntilExists.pending_functions.length;i++)
			{	
				var obj = _waitUntilExists.pending_functions[i];
				var resolution = document.getElementById(obj.id);
				if(obj.id == document){
					resolution = document.body;
				}
				if(resolution){
					var _f = obj.f;
					_waitUntilExists.pending_functions.splice(i, 1)
					if(obj.c == "itself"){obj.c = resolution}
					_f.call(obj.c)							
					i--					
				}
			}
		},
		global_interval : setInterval(function(){_waitUntilExists.loop_and_call()},5)
	}
	if(document.addEventListener){
		document.addEventListener("DOMNodeInserted", _waitUntilExists.loop_and_call, false);
		clearInterval(_waitUntilExists.global_interval);
	}
	window.waitUntilExists = function(id,the_function,context){
		context = context || window
		if(typeof id == "function"){context = the_function;the_function = id;id=document}
		_waitUntilExists.pending_functions.push({f:the_function,id:id,c:context})
	}
	waitUntilExists.stop = function(id,f){
		for(var i=0;i<_waitUntilExists.pending_functions.length;i++){
			if(_waitUntilExists.pending_functions[i].id==id && (typeof f == "undefined" || _waitUntilExists.pending_functions[i].f == f))
			{
				_waitUntilExists.pending_functions.splice(i, 1)
			}
		}
	}
	waitUntilExists.stopAll = function(){
		_waitUntilExists.pending_functions = []
	}
})()