function makeVisible(elem) {
  document.getElementById(elem).style.visibility = "visible";
}

function openWin(URL,features) {
	window.open(URL,'popup',features);
}

function closeWin() {
	window.close(this);
}

function enlarge(PID) {
	window.open('enlarge.php?pid=' + PID,'enlarge','width=600,height=680');
}

$(document).ready(function() {

$("#masthead").mouseover(function () {$("#menu1,#menu2,#menu3,#menu4,#menu5").hide();});

$("#menucontainer1").hover(function () {$("#menu1").show();$("#menu2").hide();$("#menu3").hide();$("#menu4").hide();$("#menu5").hide();},function () {});
$("#menu1").hover(function () {$("#menu1").show();},function () {});

$("#menucontainer2").hover(function () {$("#menu1").hide();$("#menu2").show();$("#menu3").hide();$("#menu4").hide();$("#menu5").hide();},function () {});
$("#menu2").hover(function () {$("#menu2").show();},function () {});

$("#menucontainer3").hover(function () {$("#menu1").hide();$("#menu2").hide();$("#menu3").show();$("#menu4").hide();$("#menu5").hide();},function () {});
$("#menu3").hover(function () {$("#menu3").show();},function () {});

$("#menucontainer4").hover(function () {$("#menu1").hide();$("#menu2").hide();$("#menu3").hide();$("#menu4").show();$("#menu5").hide();},function () {});
$("#menu4").hover(function () {$("#menu4").show();},function () {});

$("#menucontainer5").hover(function () {$("#menu1").hide();$("#menu2").hide();$("#menu3").hide();$("#menu4").hide();$("#menu5").show();},function () {});
$("#menu5").hover(function () {$("#menu5").show();},function () {});

$("#searchcontainer").click(function () {$("#searchbox").toggle("fast");});

//stop propagation
$("#menu1").hover(function () {$("#menu1").show();$("#menucontainer1, #menu1 ul, #menu1 .subnavheader").mouseleave(function(event) { event.stopPropagation(); });},function () {$("#menu1").hide();});
$("#menu2").hover(function () {$("#menu2").show();$("#menucontainer2, #menu2 ul, #menu2 .subnavheader").mouseleave(function(event) { event.stopPropagation(); });},function () {$("#menu2").hide();});
$("#menu3").hover(function () {$("#menu3").show();$("#menucontainer3, #menu3 ul, #menu3 .subnavheader").mouseleave(function(event) { event.stopPropagation(); });},function () {$("#menu3").hide();});
$("#menu4").hover(function () {$("#menu4").show();$("#menucontainer4, #menu4 ul, #menu4 .subnavheader").mouseleave(function(event) { event.stopPropagation(); });},function () {$("#menu4").hide();});
$("#menu5").hover(function () {$("#menu5").show();$("#menucontainer5, #menu5 ul, #menu5 .subnavheader").mouseleave(function(event) { event.stopPropagation(); });},function () {$("#menu5").hide();});
});


function checkEmail(myForm) {
var re = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
if (re.test(myForm.emailAddr.value)){
return (true);
}
alert("Please enter a valid email address.")
myForm.emailAddr.focus();
return (false);
}