function changeClass(category){
	document.getElementById(category).className = "cat_td2";
}
function changeClassBack(category){
	document.getElementById(category).className = "cat_td";
}
function goTo(url){
	window.location = url;
}
function emailDiv(){
	var div = document.getElementById("email_photo");
	if (div.style.display == "block"){
		div.style.display = "none";
	} else {
		div.style.display = "block";
	}
}
function validate_form(){
	var _f = document.getElementById("frmEmail");
	var email = _f.eMail.value;
	if (email == ""){
		alert("A valid email address is required.");
		_f.eMail.focus()
		return false;
	}
	apos = email.indexOf("@");
	dotpos = email.lastIndexOf(".");
	if (apos<1||dotpos-apos<2){ 
		alert("A valid email address is required.");
		_f.eMail.focus()
		return false;
	}
	return true;
}
function validate_search(){
	var _f = document.getElementById("frmSearch");
	var sText = _f.searchtext.value;
	if (sText == ""){
		alert("Please enter a search to continue.");
		_f.searchtext.focus()
		return false;
	}
	return true;
}