function onnavi(obj) {
	document.getElementById(obj).style.visibility = 'visible';
}
function outnavi(obj) {
	document.getElementById(obj).style.visibility = 'hidden';
}
function naviie(obj) {
	var uName = navigator.userAgent;
	if (uName.indexOf("Opera") > -1) {
		document.getElementById(obj).style.zIndex = '0';
	}
	if (uName.indexOf("MSIE") > -1) {
		document.getElementById(obj).style.zIndex = '-1';
	}
} 
function openwindow(url,name,width,height) {
	window.open('imgs/'+url+'.jpg',name,'width='+width+',height='+height+'top=40,left=40,screen-x=40,screen-y=40');
}

function validMember(){
	var errors = "";
	if (!document.forms[0].elements[0].value) {
		errors += "- Please write your Name\n";
	 }
	if (!document.forms[0].elements[1].value) {
		errors += "- Please write your Address\n";
	 }
	if (!document.forms[0].elements[2].value) {
		errors += "- Please write your City\n";
	 }
	if (!document.forms[0].elements[4].value) {
		errors += "- Please write your Postal Code\n";
	 }
	if (!document.forms[0].elements[5].value) {
		errors += "- Please write your Email Address\n";
	 }
	if (!document.forms[0].elements[6].value) {
		errors += "- Please write your Home Phone\n";
	 }
	var radioflag = false;
	for (var i = 0; i < document.forms[0].fee.length; i++) {
		if (document.forms[0].fee[i].checked == true) {
			radioflag = true;
			break;
		}
	}
	if (radioflag == false) {
		errors += "- Please select Membership Fee\n";
	}
	if (document.forms[0].elements[11].checked == false) {
		errors += "- Please check Agreement\n";
	 }
	if (document.forms[0].elements[12].value == 'select house/camp') {
		errors += "- Please select house/camp\n";
	 }
	
	if (errors == "") {
		return true;
	} else {
		alert(errors);
		return false;
	}
}

function validContact() {
	var errors = "";
	if (!document.forms[0].elements[0].value) {
		errors += "- Please write your Name\n";
	 }
	if (!document.forms[0].elements[1].value) {
		errors += "- Please write your Email Address\n";
	 }
	if (!document.forms[0].elements[2].value) {
		errors += "- Please write your Subject\n";
	 }
	if (!document.forms[0].elements[3].value) {
		errors += "- Please write your Message\n";
	}
	
	if (errors == "") {
		return true;
	} else {
		alert(errors);
		return false;
	}
}