// JavaScript Document
	  	function gradeON(){
			var LG = document.getElementById('GradeLista');
			var BG = document.getElementById('botGrade');

		if(LG.className=='buscMestra'){
				LG.className='buscMestraG';
				BG.className='botGrade-on';
				}
		else {LG.className='buscMestra';
				BG.className='botGrade-off';
			  }
		}