var auxcalend = 1;
var arrletras = new Array();
arrletras[1] = "a";
arrletras[2] = "b";
arrletras[3] = "c";
arrletras[4] = "d";
arrletras[5] = "e";
arrletras[6] = "f";
arrletras[7] = "g";
arrletras[8] = "h";
arrletras[9] = "i";
arrletras[10] = "j";
arrletras[12] = "k";
arrletras[13] = "l";
arrletras[14] = "m";
arrletras[15] = "n";
arrletras[16] = "o";
arrletras[17] = "p";
arrletras[18] = "q";
arrletras[19] = "r";
function mudacalfunct(alavanca){
	if(alavanca && auxcalend<totsdecalen){
		var calendaid = document.getElementById("auxcalend"+arrletras[auxcalend]);
		calendaid.style.display="none";
		auxcalend++;
		var calendaid = document.getElementById("auxcalend"+arrletras[auxcalend]);
		calendaid.style.display="block";
	} else if(!alavanca && auxcalend>1){
		var calendaid = document.getElementById("auxcalend"+arrletras[auxcalend]);
		calendaid.style.display="none";
		auxcalend--;
		var calendaid = document.getElementById("auxcalend"+arrletras[auxcalend]);
		calendaid.style.display="block";
	}
}