function _GET(key){
	key = key.replace(/[\[]/,'\\\[').replace(/[\]]/,'\\\]');
	var regexS = '[\\?&]'+key+'=([^&#]*)';
	var regex = new RegExp(regexS);
	var results = regex.exec(window.location.href);
	if(results == null){
		return '';
	}else{
		return results[1];
	}
}