function schimba(id,id_img,xtext) {

//			var currentDiv;
//			var index = 1;
//			alert(document.getElementById('text' + index).className);
//			while (currentDiv = document.getElementById('text' + index))
//			{
//				currentDiv.className = 'invizibil';
//				index++;
//			}

			//alert(document.getElementById(id).className);

			if (document.getElementById(id).className=="vizibil")
			{
				document.getElementById(id).className="invizibil";
				document.getElementById(id_img).className="show_img1";
				document.getElementById(xtext).innerHTML="Vizualizare răspuns:";
			}else{
				document.getElementById(id).className="vizibil";
				document.getElementById(id_img).className="hide_img1";
				document.getElementById(xtext).innerHTML="    Ascunde răspuns:";
			}
	}