// JavaScript Document


function toggleVisible (elName) { 
	var el = document.getElementById (elName); 
	var isVisible = (el.style.visibility == "hidden") ? true : false; 
	el.style.visibility = isVisible ? "visible" : "hidden"; 
	el.style.display = isVisible ? "inline" : "none"; 
} 
function togglePlusMinus (imgID) {
	var img = document.getElementById (imgID);
	var imgSrc = img.getAttribute("src");
	
	if(imgSrc.search(/minus/i) > 1) {
		img.setAttribute("src", imgSrc.replace(/minus/, "plus"));
	} else {
		img.setAttribute("src", imgSrc.replace(/plus/, "minus"));
	}
}
// masks the email address from spam robot spider zombies from the moon. 
function mailLink (domain, prefix, name, fulllink, linktext) {
	var href = "mailto:";
	var at = "@";
	
	if(fulllink == true) {
		if(name == false) name = prefix + ' [ at ] ' + domain;	
		if(linktext == false) 	linktext = name;

		document.write('<a href="' + href + prefix + at + domain + '" title="Contact ' + name + '">' + linktext + '</a>');
	} else {
		document.write(prefix + at + domain);
	}	
}