menu_status = new Array(); 
function showHide(theid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);

        if(menu_status[theid] != 'show') {
           switch_id.className = 'show';
           menu_status[theid] = 'show';
        }else{
           switch_id.className = 'hide';
           menu_status[theid] = 'hide';
        }
    }
}


	function validate_cat() {

		if  (document.getElementById("catalogueEmail").value.length < 3) {
			alert("Please enter your email address.");
			return false; 
			}
			return true;
		}