if (document.images)
{
	var home0 = new Image();
	home0.src = "images/imgNavHomeOff.gif";
	var home1 = new Image();
	home1.src = "images/imgNavHomeOn.gif";
	var events0 = new Image();
	events0.src  = "images/imgNavEventsOff.gif";
	var events1 = new Image();
	events1.src  = "images/imgNavEventsOn.gif";
	var worship0 = new Image();
	worship0.src = "images/imgNavWorshipOff.gif";
	var worship1 = new Image();
	worship1.src = "images/imgNavWorshipOn.gif";
	var rabbi0 = new Image();
	rabbi0.src = "images/imgNavRabbiOff.gif";
	var rabbi1 = new Image();
	rabbi1.src = "images/imgNavRabbiOn.gif";
	var cantor0 = new Image();
	cantor0.src = "images/imgNavCantorOff.gif";
	var cantor1 = new Image();
	cantor1.src = "images/imgNavCantorOn.gif";
	var education0 = new Image();
	education0.src = "images/imgNavEducationOff.gif";
	var education1 = new Image();
	education1.src = "images/imgNavEducationOn.gif";
	var community0 = new Image();
	community0.src = "images/imgNavCommunityOff.gif";
	var community1 = new Image();
	community1.src = "images/imgNavCommunityOn.gif";
	var youth0 = new Image();
	youth0.src = "images/imgNavYouthOff.gif";
	var youth1 = new Image();
	youth1.src = "images/imgNavYouthOn.gif";
	var leadership0 = new Image();
	leadership0.src = "images/imgNavLeadershipOff.gif";
	var leadership1 = new Image();
	leadership1.src = "images/imgNavLeadershipOn.gif";	
	var history0 = new Image();
	history0.src = "images/imgNavHistoryOff.gif";
	var history1 = new Image();
	history1.src = "images/imgNavHistoryOn.gif";	
	var contact0 = new Image();
	contact0.src = "images/imgNavContactOff.gif";
	var contact1 = new Image();
	contact1.src = "images/imgNavContactOn.gif";	
	var faq0 = new Image();
	faq0.src = "images/imgNavFAQOff.gif";
	var faq1 = new Image();
	faq1.src = "images/imgNavFAQOn.gif";	
	var links0 = new Image();
	links0.src = "images/imgNavLinksOff.gif";
	var links1 = new Image();
	links1.src = "images/imgNavLinksOn.gif";
}

function rollOut(imgName) 
{
    if (document.images) 
    {
        document[imgName].src = eval(imgName+"0.src");
    }
}

function rollIn(imgName)
{
    if (document.images)
    {
        document[imgName].src = eval(imgName+"1.src");
    }
}

function isEmail(string) 
{
    if (string.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
        return true;
    else
        return false;
} 

function isReady() 
{
    if (document.frmContact.txtName.value == "")
    {
    	alert('Please enter your name');
    	document.frmContact.txtName.focus();
      return false;
    }
  	else if (isEmail(document.frmContact.txtEmail.value) == false) 
    {
    	alert("Please enter a valid email address.");
      document.frmContact.txtEmail.focus();
      return false;
    }
    else if (document.frmContact.txtMessage.value == "")
    {
    	alert('Please enter your message');
    	document.frmContact.txtMessage.focus();
      return false;
    }
    
    
    return true;
}