// JavaScript Document

function focusCursor() {
	for (var i = 0; i < document.forms.length; ++i) {
		var f = document.forms[i];
		for (var j = 0; j < f.elements.length; ++j) {
			if (f.elements[j].type == 'text' || f.elements[j].type == 'textarea') {
				f.elements[j].focus();
				return;
			}
		}
	}
}

function formjoin_onSubmit() {
	var returnvalue = false;
	if (document.join.ea.value == "") {
		alert('Please enter your email address.');
	} else {
		if (document.join.ea.value != "") {
			var regexemail = /^[a-zA-Z0-9]+([-\+_\.][a-zA-Z0-9]+)*@([a-z0-9]+[-\.])+[a-z]{2,3}$/i;
			if (regexemail.test(document.join.ea.value)) {
				returnvalue = true;
			} else {
				alert('Please enter a valid email address.');
			}
		}
	}
	return returnvalue;
}


function formsurvey_onSubmit() {
	var returnvalue = false;
	if (document.survey.age.value == "" || document.survey.gender.value == "" || document.survey.zip.value == "" || document.survey.occupation.value == "" || document.survey.education.value == "" || document.survey.income.value == "" || document.survey.flights.value == "" || document.survey.fiction.value == "" || document.survey.documentary.value == "" || document.survey.budget.value == "" || document.survey.photos.value == "" || document.survey.pie.value == "") {
		alert('Please complete all fields.');
	} else {
		returnvalue = true;
	}
	
	return returnvalue;
}



function showblock(pick) {
	document.getElementById(pick).className = 'on';
	document.getElementById(pick+'block').style.display="block";
	hideOthers(pick);
}

var menuArray = new Array("evp","satellites");


function hideOthers(pick){
	for (var i=0; i<menuArray.length; i++){
		if (menuArray[i] != pick){
			document.getElementById(menuArray[i]).className="off";
			document.getElementById(menuArray[i]+'block').style.display="none";
		}                
	}
}
function breadcrumb(pick1, pick2, pick3, pick4, pick5) {
	document.getElementById(pick1).className="on";
	if (pick2) {
		document.getElementById(pick2).className="on";
		if (pick3) {
			document.getElementById(pick3).className="on";
			if (pick4) {
				document.getElementById(pick4).className="on";
				if (pick5) {
					document.getElementById(pick5).className="on";
				}
			}
		}
	}
}