function hide_all_layer() {

	var lyrs;

	if (document.all) {

		lyrs = document.all.tags("DIV");

	}

	else if (document.getElementById) {

		lyrs = document.getElementsByTagName("DIV");

	}

	for (var i=0;i < lyrs.length ; i++) {

		if (lyrs[i].id.indexOf("freq") != -1)

			lyrs[i].style.display = "none";

	}



}



function show_layer(type) {

	hide_all_layer();

	var lyr;

	if (document.all)

		lyr = eval("document.all." + "freq_" + type);

	else if (document.getElementById)

		lyr = document.getElementById("freq_" + type);

	

	lyr.style.display = "block";

}

function show(value){



         switch(value)



         {



         case "0":



                   show_layer("day");



                   break;



         case "1":



                 show_layer("week");



                   break;



         case "2":



                 show_layer("month");



                   break;                 



         }



}